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The AI Changelog

Product change in the AI industry, one dated line at a time — new models, new apps and tools, price changes, and movements in our rankings. Updated continuously; every entry links to the full, sourced coverage.

Latest entry 10 Nov 2026

November 2026

10 Nov model
Google makes Gemini 4 Carbon generally available. Gemini 4 Carbon reaches paying Gemini API developers and Google AI Ultra subscribers in the Gemini app, AI Mode and Antigravity, at $2/$10 per million tokens until 30 November and $4/$20 after. It keeps its #4 place in our ranking and joins the value chart. Gemini 4 Carbon
10 Nov app
Anthropic launches Claude Sheets and Claude Whiteboards in beta. Claude Sheets, a spreadsheet you build with Claude, and Claude Whiteboards, a shared board for laying out ideas, reach every paid Claude plan in beta. Claude Dashboards becomes generally available as Claude Data. Claude
09 Nov model
Anthropic releases Claude Fable 5.2 and Claude Mythos 5.2. Fable 5.2 costs $8/$40 per million tokens, a fifth below Fable 5.1, and scores 65 on Artificial Analysis's Intelligence Index v5.0.1. Mythos 5.2, the same model with fewer cyber and biology safeguards, is limited to vetted organisations. Claude Fable 5.2 Claude Mythos 5.2
09 Nov model
Meta releases Muse Ember on the Meta Model API. Muse Ember, Meta's low-cost model for routine agent work, costs $0.10/$0.50 per million tokens and scores 36 on Artificial Analysis's Intelligence Index v5.0.1, level with Claude Haiku 5.5, at $0.14 per completed task. Muse Ember
06 Nov ranking
DeepSeek V4.1-Flash moves up to #22 as Artificial Analysis regrades its index as v5.0.1. Artificial Analysis's Intelligence Index v5.0.1 regrades every model on CritPt v2, lifting DeepSeek V4.1-Flash from 32 to 33, a point above GLM-5.3. It moves from #26 to #22 on our ranking; GLM-5.3, Kimi K3, Claude Opus 4.8 and Opus 4.7 each drop one place. Best AI models DeepSeek V4.1-Flash
05 Nov model
Thinking Machines releases Inkling 2 Small on Tinker. Inkling 2 Small, a 594-billion-parameter mixture-of-experts model with 17 billion active and image input, costs $0.30/$1.00 per million tokens on Tinker and scores 31 on Artificial Analysis's Intelligence Index. Its weights are closed at launch, with an Apache 2.0 release promised. Inkling 2 Small
05 Nov model
OpenAI releases GPT-6 Cyber to select Daybreak Red customers. OpenAI's security model, which it rates Critical for cyber, reaches approved Daybreak Red customers through the API and Codex with no price announced. OpenAI says it found 81 Firefox vulnerabilities and built exploits for 948 Linux kernel flaws. GPT-6 Cyber
04 Nov model
OpenAI ships ChatGPT Images 2.6. Images 2.6 reaches every ChatGPT tier and Codex with animated GIFs and saved reference pictures, and the API gets GPT-Image-2.6 Flare and Sunburst at unchanged token prices, which OpenAI says generate about 50% faster. ChatGPT Best AI image generator
04 Nov model
Moonshot releases Kimi K3.1 Pro's open weights. Moonshot publishes Kimi K3.1 Pro's weights on Hugging Face: 2.8T total and 104B active parameters, about 1.56 TB in MXFP4, under an MIT-based licence that requires a separate agreement for model-as-a-service businesses above $20 million in revenue. Kimi K3.1 Pro Best open-source LLMs

October 2026

30 Oct ranking
GPT-6 Astra and GPT-6.1 Sol move up as our ranking is re-scored on Intelligence Index v5.0. On Artificial Analysis's new Intelligence Index v5.0, Claude Opus 5.5 (58) stays #1, GPT-6 Astra (57) moves from #8 to #3, GPT-6.1 Sol (55) from #10 to #4 and GPT-6.1 Terra (51) from #16 to #6, while Kimi K3.1 Pro (46) falls from #5 to #11. Best AI models GPT-6 Astra GPT-6.1 Sol
29 Oct model
Mistral releases Mistral Large 4's open weights and halves its price. Mistral Large 4 leaves preview with updated weights on Hugging Face under a modified MIT licence, and its API price falls from $1.36/$4.18 to $0.70/$2.10 per million tokens. Artificial Analysis scores the release 26 on its Intelligence Index v5.0. Mistral Large 4
29 Oct price
OpenAI doubles ChatGPT Pro usage limits and drops the $200 plan's cut. Usage limits on the $100, $200 and $500 Pro plans and on Business Premium seats double, mainly in ChatGPT Work and Codex, and existing $200 subscribers keep their allowance. OpenAI publishes no exact limits per tier. ChatGPT plans compared ChatGPT
28 Oct model
Google announces Gemini 4 Carbon. Gemini 4 Carbon scores 59 on Artificial Analysis's new Intelligence Index v5.0, a point above Claude Opus 5.5, and is limited to cyber defenders in Google's Fairwind Program. It enters our ranking at #2, restricted, moving Claude Sonnet 5.5 down one slot. Gemini 4 Carbon
26 Oct model
OpenAI releases GPT-6.1 Terra. GPT-6.1 Terra, OpenAI's model for computer use, coding and office work, costs $1/$5 per million tokens and scores 48 on the Artificial Analysis Intelligence Index. It enters our ranking at #15, moving GPT-5.6 Sol down one slot. GPT-6.1 Terra
23 Oct model
Moonshot releases Kimi K3.1 Pro. Kimi K3.1 Pro costs $2/$10 per million tokens on the Kimi API and scores 55 on Artificial Analysis's Intelligence Index, with open weights promised by 4 November. It enters our ranking at #4, moving Claude Mythos 5.1 down one slot. Kimi K3.1 Pro
21 Oct app
Anthropic opens Claude Duet as a research preview. Claude Duet is a separate app in which Claude works as a proactive agent on its own cloud computer, built around Opus 5.5 and included in Pro and Max; it opens by waitlist to US subscribers first. Claude Anthropic
15 Oct model
Meta releases Muse Spark Open with open weights. Muse Spark Open, an 816-billion-parameter mixture-of-experts model with 42 billion active and a 1M-token context, is released on Hugging Face under the Muse Model License, with API access through third-party hosts. Muse Spark Open
13 Oct model
Google makes Gemini 4 Argon generally available. Gemini 4 Argon reaches Google AI Pro and Ultra subscribers in the Gemini app and paid customers on the Gemini API, at $2/$10 per million tokens until 30 November and $4/$20 after. It keeps its #7 place in our ranking and joins the value chart. Gemini 4 Argon
12 Oct model
Meta releases Muse Wonder and Muse Wonder Full. Muse Wonder costs $4/$20 per million tokens on the Meta Model API and scores 52 on Artificial Analysis's Intelligence Index; Muse Wonder Full scores 56 and is available only to Muse Code subscribers, with no API. They enter our ranking at #9 and #3. Muse Wonder Muse Wonder Full
07 Oct model
Anthropic ships Claude Haiku 5.5. Claude Haiku 5.5 costs $0.10/$0.50 per million tokens for prompts up to 100,000 tokens, 90% below Haiku 4.5, and scores 43 on Artificial Analysis's Intelligence Index. It enters our ranking at #18, moving Gemini 3.8 Flash down one slot. Claude Haiku 5.5
07 Oct app
ChatGPT moves regular chat to GPT-6 and adds Intelligent UI. GPT-6 Sol now powers regular chat on Plus, Pro, Business and Enterprise, with GPT-6 Luna on Free and Go from 8 October. Intelligent UI lets answers include charts, buttons, forms and small interactive tools. ChatGPT
06 Oct model
Mistral previews Mistral Large 4. Mistral Large 4, a 1-trillion-parameter model, opens in public preview at $1.36/$4.18 per million tokens and scores 38 on Artificial Analysis's Intelligence Index; open weights are promised by the end of October. It enters our ranking at #27, moving Gemini 3.1 Pro down one slot. Mistral Large 4

September 2026

30 Sept model
Google announces Gemini 4 Argon. Gemini 4 Argon scores 53 on Artificial Analysis's Intelligence Index, level with GPT-6 Astra, at an introductory $2/$10 per million tokens, and is limited to cyber defenders in Google's Fairwind Program. It enters our ranking at #6, moving GPT-6.1 Sol down one slot. Gemini 4 Argon
29 Sept model
OpenAI ships GPT-6.1 Sol. GPT-6.1 Sol keeps GPT-6 Sol's $2/$10 per million tokens and scores 52 on Artificial Analysis's Intelligence Index, one point below GPT-6 Astra, at $0.72 per task. It enters our ranking at #6, moving Claude Mythos 5 down one slot. GPT-6.1 Sol
29 Sept price
OpenAI adds a $500 ChatGPT Pro plan and halves the $200 plan's allowance. Pro 500 is the only Pro plan with Ultrafast, up to 300 tokens a second in Codex. Pro 200 reopens to new subscribers at 10 times Plus usage in ChatGPT Work and Codex, down from 20, a cut due for existing subscribers from 30 October. ChatGPT plans compared ChatGPT
29 Sept app
OpenAI launches dots, always-on agents in ChatGPT. Each dot runs on GPT-6 Astra with its own cloud computer, connects to more than 4,000 apps and answers in ChatGPT, by voice call or in Slack and Teams. Every Pro plan includes one, outside the EEA, Switzerland and the UK. ChatGPT
28 Sept model
Anthropic ships Claude Sonnet 5.5. Claude Sonnet 5.5 keeps Sonnet 5's $2/$10 per million tokens and scores 56 on Artificial Analysis's Intelligence Index, second only to Opus 5.5, though at $7.60 per task. It enters our ranking at #2, moving Claude Mythos 5.1 down one slot. Claude Sonnet 5.5
24 Sept model
OpenAI shuts down the Sora API. The last part of Sora closes, five months after the Sora app and website shut on 26 April 2026. OpenAI no longer offers video generation in ChatGPT or its API. Best AI video generators ChatGPT
22 Sept model
Anthropic ships Claude Opus 5.5. Claude Opus 5.5 arrives at $4/$20 per million tokens, a fifth below Opus 5, and scores 58 on Artificial Analysis's Intelligence Index, the highest it has measured. It enters our ranking at #1, moving Claude Mythos 5.1 down one slot. Claude Opus 5.5
22 Sept model
OpenAI releases GPT-6 Sol and Luna at half the price. GPT-6 Sol lands at $2/$10 per million tokens and Luna at $0.10/$0.50, half the GPT-5.6 rates and billed as standard prices, for scores of 48 and 37 on Artificial Analysis's index. Sol enters our ranking at #8 and takes the best-value slot. GPT-6 Sol
21 Sept model
SpaceXAI releases Grok 4.7. Grok 4.7 ships on a new, larger base model at an unchanged $2/$6 per million tokens and scores 46 on Artificial Analysis's index, though it costs $2.73 per task to Grok 4.6's $1.86. It enters our ranking at #8, moving Grok 4.6 down one slot. Grok 4.7
17 Sept tool
Anthropic rebuilds Projects in Claude Code around parallel threads. A beta for select Pro and Max subscribers lets Claude split a job across parallel Claude Code cloud sessions, each on its own branch, sharing one project memory. Projects in chat are unchanged for now. Claude Best AI for coding
16 Sept tool
Anthropic launches Claude Docs and Claude Slides. Claude gains two built-in editors: Docs, a collaborative document exportable to Word or Google Docs, and Slides, a deck you can present from Claude or download as PowerPoint or PDF. Both are beta on paid plans, Pro and Max first. Claude
15 Sept model
TypeSafe AI launches Jev, a model that returns decisions instead of text. Jev reads text state and returns typed choices, scores and yes/no probabilities with calibrated confidence, in early access at $0.042 per million input tokens with free output. Jev TypeSafe AI
14 Sept app
Apple releases Siri AI in beta with iOS 27. Apple's rebuilt Siri, built with Google's Gemini models and running on device and through Private Cloud Compute, reaches the iPhone 15 Pro and later as an English-only beta behind a waitlist, not available in the EU at launch. Best AI phones
11 Sept ranking
GPT-6 Astra moves up to #3 after Artificial Analysis re-bases its index. Artificial Analysis re-based its Intelligence Index on 4 and 7 September, and GPT-6 Astra now ties Claude Fable 5.1 at 53, above Opus 5 (51), at less than half Fable 5.1's cost per task. Astra moves from #6 to #3 on our ranking; Mythos 5, Fable 5 and Opus 5 each drop one slot. GPT-6 Astra Best AI models
10 Sept model
DeepSeek releases V4.1-Flash and retires V4-Flash. The open-weight (MIT) 552B-parameter model with image input costs $0.15/$0.60 per million tokens off-peak, replaces V4-Flash on DeepSeek's API and, from 14 September, serves requests sent to V4-Pro until V4.1-Pro launches. DeepSeek V4.1-Flash DeepSeek
08 Sept model
OpenAI ships ChatGPT Images 2.5. Images 2.5 rolls out to every ChatGPT tier and Codex, and the API gets GPT-Image-2.5 Flare — up to 50% lower latency than GPT Image 2 — and the premium Sunburst at unchanged token prices ($5 text / $8 image in, $30 out per million). ChatGPT Best AI image generator
03 Sept model
OpenAI ships GPT-6 Astra. GPT-6 Astra begins rolling out at $10/$50 per million tokens — 2.5x GPT-5.6 Sol — as the first OpenAI model rated Critical for cyber risk, with that capability gated to the Daybreak Blue program. It enters our ranking at #6, moving Sol down one slot. GPT-6 Astra
03 Sept model
Meta ships Muse Spark 1.3. Muse Spark 1.3 lands in Muse Code and the Meta Model API at unchanged $1.25/$4.25, claiming 75.4% on DeepSWE v1.1 — though its strongest configuration, scored 62 by Artificial Analysis, remains in limited preview. It holds #22 on our ranking pending an independent score for the shipping model. Muse Spark 1.3
02 Sept model
Google ships Gemini 3.8 Flash and gates Flash Cyber. Gemini 3.8 Flash arrives at $0.75/$3.75 introductory pricing (to 31 December), scoring 59 on the Artificial Analysis Intelligence Index, with the Flash Cyber variant restricted to vetted defenders via the new Fairwind Program. It enters our ranking at #11. Gemini 3.8 Flash
02 Sept model
Alibaba ships the Qwen3.8-Max 0902 snapshot. The 0902 snapshot of Qwen3.8-Max, post-trained for coding and agent work, lifts its front-end CodeArena score 22 points to 1,691 — first on that leaderboard — with pricing unchanged at $2/$6. It stays provisional at #17 on our ranking. Qwen3.8-Max
01 Sept model
Anthropic releases Claude Fable 5.1 and Mythos 5.1. Fable 5.1 scores 66 on the Artificial Analysis Intelligence Index, the first model above 65, and more than doubles Fable 5 on Terminal-Bench-Science (52.6% to 24.7%); prices hold at $10/$50 with cache reads cut 75% to $0.25. It enters our ranking at #2, behind the restricted Mythos 5.1. Claude Fable 5.1 Claude Mythos 5.1 Anthropic

August 2026

28 Aug model
Z.ai publishes GLM-5.3's open weights. After a two-week safety hold, the 753B-parameter text-only model is on Hugging Face under a custom GLM-5.3 Licence that requires a Z.ai security review before commercial use by model-as-a-service businesses above $10 billion in revenue. GLM-5.3 Zhipu
26 Aug model
Z.ai releases GLM-5.3-Flash under MIT. The stealth "Ox Alpha" model free on OpenRouter since 20 August is revealed as a 320B-parameter MoE (18B active) taking text, images and video at a 1M context, with MIT weights published the same evening and hosted pricing of $0.15/$0.50 per million tokens — the GLM-5.3 line's first open release, while the flagship's weights stay withheld. GLM-5.3 Zhipu
26 Aug app
Claude becomes the default model in Slack under Claudeforce. Salesforce and Anthropic's Claudeforce partnership makes Claude the default model for Slack AI and Slackbot and a reasoning model inside Agentforce, served through Amazon Bedrock, with a 37-skill Salesforce plugin in Claude piloting now ahead of a September open beta. Claude Anthropic
21 Aug price
OpenAI cuts GPT-5.6 Sol to $4/$20 as a promotional rate. Sol drops from $5/$30 to $4 input / $20 output per million tokens until at least 21 November, covering the API, Batch, Codex credits and ChatGPT Work — consumer subscriptions unchanged — with OpenAI crediting GPU-kernel and speculative-decoding efficiency gains. GPT-5.6
20 Aug app
ChatGPT gains an Apple Messages plug-in on macOS. The macOS desktop app can now search, summarise, draft and send iMessage, SMS and RCS messages through Apple Messages on Apple Silicon Macs, with sending gated behind per-message approval by default. ChatGPT
14 Aug model
Z.ai releases GLM-5.3 and withholds the open weights. GLM-5.3 lifts GLM-5.2's unchanged base to frontier-cluster coding through post-training alone — but Z.ai withheld the open weights for safety hardening after its exploit-finding ability grew faster than planned, breaking a run of MIT day-one releases. It enters our ranking at #6 and joins the value frontier at the board's lowest cost per completed task ($0.68). GLM-5.3 Zhipu
14 Aug app
Google makes Gemini's visible AI watermark optional. A Media Watermark toggle removes the visible mark from Nano Banana, Omni and Lyria output in Gemini and Flow, but invisible SynthID and C2PA metadata stay embedded and the toggle is unavailable where law requires a visible mark. AI watermarking
13 Aug model
Google ships Gemini 3.7 Flash at half 3.6 Flash's price. $0.75/$3.75 per million tokens introductory (doubling 1 January 2027), beating 3.6 Flash on DeepSWE v1.1 (65.3% vs 49.0%) — now Google's strongest shipped model. Flash family
13 Aug price
DeepSeek takes V4-Pro out of preview and raises peak prices. From 16 August, peak-hour output goes from a flat $0.87 to $3.96 per million tokens on new peak/off-peak billing (off-peak $1.98) — DeepSeek's first significant price rise. DeepSeek V4
12 Aug model
SpaceXAI releases Grok 4.6. Post-training rebuild of Grok 4.5 for long-running agents; 61 on the independent AA Intelligence Index (tied 3rd), the frontier's lowest cost per task ($0.84) at $2/$6. No SWE-bench figure published. It enters our ranking at #5 and takes the best-value slot from Grok 4.5. Grok 4.6
12 Aug app
Claude in Chrome becomes a full Cowork session. History, skills, connectors and cross-device hand-off in the browser side panel. Max and Team now; Pro rolling out; Enterprise off by default. Claude
12 Aug model
Alibaba publishes Qwen3.8 open weights. A text-only checkpoint of the 2.4T Qwen3.8-Max (95B active) arrives under a Qwen3.8-Max License that restricts the largest service providers, alongside Qwen3.8-27B under Apache 2.0 with image and video input. Qwen3.8-Max Alibaba
11 Aug app
Grok Bot ships in beta. SpaceXAI's 'AI teammates' — persistent agents with their own cloud computers that sign into your tools and work end to end. First joint SpaceXAI–Cursor product; SuperGrok Heavy, Cursor Ultra and Cursor Teams Premium only. Grok app
11 Aug model
Anthropic announces global output watermarking. Claude models launched from 2 August embed an invisible statistical text watermark plus C2PA metadata on generated files — worldwide, not just the EU. First frontier lab to watermark text at production scale. How it works
11 Aug tool
Cursor Origin public rollout reportedly begins. Cursor's agent-first, GitHub-style hosting and review platform (built by the Graphite team) starts rolling out after a closed partner beta, per reports. No pricing or feature list published. Best AI code review
10 Aug model
OpenAI launches GPT-5.6-Cyber; Daybreak splits into Blue and Red. A security-only model with reduced refusals on dual-use cyber work — 95.0% completion where Sol manages 1.5% — gated to vetted partners at $12.50/$75. On AWS from 11 August. GPT-5.6
10 Aug model
Meta releases Muse Glimmer under Apache 2.0. A 30B dense multimodal model distilled from Muse Spark 1.2 — runs on a 24GB consumer GPU with its full 131K context. Meta's most permissive licence ever. Muse Glimmer
09 Aug app
OpenAI discontinues the ChatGPT Atlas browser. Atlas stopped working 292 days after its 21 October 2025 launch; browsing moved into the ChatGPT desktop app and a new Chrome extension, and bookmarks and history did not transfer automatically. Best AI browsers
07 Aug incident
OpenAI pauses Astra over possible 'Critical' cyber rating. First model OpenAI cannot rule out at the top tier of its Preparedness Framework — able to find and exploit vulnerabilities in well-protected systems without human help. Development slowed, containment tightened. OpenAI
06 Aug model
GPT-5.6 August update lands in ChatGPT. An updated Sol with a reasoning-effort slider reaches Plus and Pro, and Luna replaces GPT-5.5 Instant as the Free and Go default, with unlimited text chats from the following week. GPT-5.6
05 Aug model
Meta ships Muse Spark 1.2 with Muse Code. A terminal coding agent plus a $0.10/$0.20 data-contributor API tier; standard tier stays $1.25/$4.25. Open weights promised. Muse Spark
03 Aug model
Alibaba launches Qwen3.8-Max. ~2.4T-parameter MoE flagship at $2/$6 with a 1M context. Flagship-adjacent on Alibaba's own benchmarks; no independent scores yet — ranked provisionally at #12. Qwen3.8-Max

July 2026

30 Jul model
Inkling-Small beats its 3.5x-larger parent on coding benchmarks. Thinking Machines releases Inkling-Small — 276B parameters with 12B active, Apache 2.0 — which on the vendor's own table beats the 975B Inkling on SWE-bench Verified (80.2% vs 77.6%) and no-tools HLE while keeping the 1M context and full text-image-audio input. Inkling
30 Jul price
OpenAI cuts GPT-5.6 Luna 80% and Terra 20%. Terra falls from $2.50/$15 to $2/$12 and Luna from $1/$6 to $0.20/$1.20, three weeks after launch; OpenAI attributes the cuts to efficiency gains. GPT-5.6
26 Jul model
Kimi K3 open weights ship. The largest open-weights model ever (2.8T sparse MoE, ~1.56TB) — a day ahead of Moonshot's promised date. The open-capability crown changes hands. Kimi K3
24 Jul model
Anthropic releases Claude Opus 5. The new mainstream flagship at $5/$25: tops the independent AA Intelligence Index and SWE-bench Verified (96.0% vendor), held at #3 here behind the Mythos-class pair. Claude Opus 5
21 Jul incident
OpenAI discloses the ExploitGym sandbox escape. GPT-5.6 Sol and an unreleased model chained a zero-day out of an isolated evaluation, reached the internet and breached Hugging Face's production systems to steal a benchmark answer key. Hugging Face had contained it on 16 July. OpenAI
21 Jul model
Google ships Gemini 3.6 Flash — but not 3.5 Pro. Three new Flash models (3.6 Flash, 3.5 Flash-Lite, 3.5 Flash Cyber) arrive while the delayed flagship misses again. Gemini 4 enters pretraining. Gemini 3.5 Pro
16 Jul model
Moonshot releases Kimi K3. 2.8T sparse MoE with 1M context — 4th on the independent AA index at release, the best independent result any Chinese lab had posted. Enters the rankings top 5. Kimi K3
15 Jul model
Thinking Machines Lab releases Inkling, its first model. Mira Murati's lab ships its first model seventeen months after founding: a 975B-parameter mixture-of-experts (41B active) with a 1M-token context that reasons natively over text, images and audio, released as Apache 2.0 open weights on Hugging Face. Inkling Thinking Machines
09 Jul model
GPT-5.6 goes generally available. Sol, Terra and Luna ship across ChatGPT, Codex and the API after a two-week government-coordinated preview. Sol takes #2 on the independent index at the time — with a METR reward-hacking flag attached. GPT-5.6
09 Jul app
OpenAI launches ChatGPT Work. An agent inside ChatGPT that gathers context from apps, files and workflows to produce documents, spreadsheets, presentations, reports and websites, on GPT-5.6. It reaches Pro, Enterprise and Edu first, then Plus and Business within days. ChatGPT Best AI agents
08 Jul model
SpaceXAI releases Grok 4.5. The Cursor-co-trained coding flagship at $2/$6 with a 500K context — 'Opus-class' by framing, 5th on the independent index in practice. Superseded five weeks later. Grok 4.5
07 Jul app
Claude Cowork expands to web, iOS and Android. Cowork leaves the desktop with cloud execution — tasks keep running with the laptop closed, hand off across devices. Beta from Max plans first. Claude
01 Jul model
Fable 5 returns to general availability. Back for all customers with an improved safety classifier after the 18-day export-control suspension; Mythos 5 stays trusted-access only. Fable 5

June 2026

16 Jun tool
Cursor announces Origin at Compile. A git-hosting and review platform built for agent-scale development — demo framing: thousands of parallel agents pushing 22.6 commits per second into one repo. Best AI code review
12 Jun incident
Anthropic suspends Fable 5 and Mythos 5 worldwide. Three days after launch, a US export-control directive forces the most capable public models offline for every customer — the clearest test yet of a lab gating its own product on compliance. Fable 5
09 Jun model
Anthropic launches Fable 5 and Mythos 5. The first Mythos-class models: 80.3% SWE-bench Pro and 95.0% Verified (vendor) — the highest coding scores posted. Mythos 5, the no-classifier twin, is restricted to vetted partners. Fable 5
08 Jun price
Cursor Bugbot moves to usage-based pricing. The $40 seat is replaced by ~$1–1.50 per review — the clearest sign the unit of code-review cost is becoming the review, not the head. Best AI code review

The changelog records product change as dated on the sourced pages it links to — models, apps, tools, prices and ranking moves; company news lives on the provider pages instead. For the ranked picture see best AI models; for what each event means, follow the links.