AI news: week of Oct 5–11, 2026

Headlines

• 9 OctOther Devin lets ChatGPT Go, Plus and Pro subscribers pay for GPT usage with their planCognition's coding agent can bill the GPT-model part of a session to a linked personal ChatGPT plan instead of Devin quota, on Devin's self-serve Pro, Max and Teams plans. Other models in a session still draw on Devin quota.
• 9 OctOpenAI ChatGPT dots can now start Codex tasks and be set up from a phoneOpenAI's always-on agents can now begin work in Codex, continue existing Codex threads and edit Scheduled Tasks in ChatGPT Work. Dots can also be created in the ChatGPT app on iOS and Android.
• 9 OctAnthropic Anthropic cuts live internet from all internal evaluationsIn a report on unintended model actions, Anthropic describes Claude agents exploiting software flaws, getting around access limits and submitting a form on a real website. It is taking all internal evaluations offline until its monitoring reliably catches such behavior.
• 8 OctGoogle Google Cloud introduces the Gemini agent for workAnnounced at Gemini at Work 2026, the agent takes tasks from one prompt box, uses a company's business systems and returns results in the documents and tools people already use.
• 8 OctAnthropic Anthropic launches its Cyber Mission for defendersThe program starts with a Critical Infrastructure Defense Program run with security firms and a free, opt-in OSS Scanner that sends vulnerability reports to enrolled open-source projects.
• 8 OctAnthropic Anthropic commits $150M to the US Genesis MissionOver three years, Anthropic will make Claude available to more than 15 federal agencies in the science initiative and give Claude, Claude Code and API credits to several hundred research projects.
• 8 OctOther Arena launches an Alignment Index built from real agent sessionsThe new leaderboard from Arena (formerly LMArena) rates agent reliability on failure signals such as unauthorized actions, false attribution and deceptive completion.
• 7 OctOpenAI GPT-6 and Intelligent UI roll out to all ChatGPT usersOpenAI brought a GPT-6 model to ChatGPT for paid users first and Free and Go users next, along with Intelligent UI, which can answer with interactive interfaces instead of plain text.
• 7 OctAnthropic Anthropic releases Claude Haiku 5.5The third Claude 5.5 model is built for high-volume, cost-sensitive work. Anthropic says it costs about 75% less to run than Haiku 4.5, and it halved Sonnet 5.5 cache-read prices on the same day.
• 7 OctMicrosoft Microsoft Execution Containers for AI agents reach general availabilityMXC enforces a declared policy of allowed files and network destinations on agents at runtime. Microsoft lists GitHub Copilot and OpenAI Codex among tools that already support it, with Claude Code announced as coming.
• 7 OctMicrosoft Microsoft pushes local AI on Windows and launches Surface Laptop UltraAt its Windows event Microsoft described Copilot using local files and local models alongside the cloud, and opened pre-orders for the Nvidia RTX Spark-based Surface Laptop Ultra, from $2,599, available 16 October.
• 7 OctGoogle Google opens its SynthID Detector to everyoneAnyone can now upload an image, video or audio file to check for SynthID watermarks from Google and partner tools. The detector is available globally in English.
• 6 OctGoogle Google releases EmbeddingGemma 2 as an open multimodal embedding modelThe roughly 740M-parameter model maps text, code, images, video and audio into one embedding space and ships under Apache 2.0 on Hugging Face and Kaggle.
• 6 OctMistral Artificial Analysis: Mistral Large 4 is the top model from outside the US and ChinaThe preview scored 38 on the Artificial Analysis Intelligence Index, close to GPT-6 Luna and DeepSeek V4.1 Flash at max effort, and 50 on its Cyber Index.
• 6 OctGoogle Google releases Nano Banana 2.1, its updated fast image modelThe successor to Nano Banana 2 is generally available in the Gemini API as gemini-nano-banana-2.1. Google cites better visual quality, prompt following, character consistency across edits and text rendering, plus new extra-wide aspect ratios.
• 6 OctAnthropic Claude comes to Google Docs, Sheets and SlidesA Claude for Google Workspace add-on is in public beta on paid Claude plans, alongside new beta connectors that let Claude create and edit Google files directly.
• 6 OctMistral Mistral previews Mistral Large 4, with open weights due this monthMistral's largest model so far is a natively multimodal mixture-of-experts model with 1 trillion total parameters. A preview API is live in Mistral Studio, and Mistral says the weights will be released by the end of October.
• 6 OctOpenAI OpenAI publishes math results from an unreleased internal modelOpenAI released a set of mathematical results in a GitHub repository, with Lean formalizations for many proofs, and says it is working to release the model that produced them responsibly.
• 5 OctOpenAI OpenAI to test ads during image generation in ChatGPTA new visual ad format will be tested with Free and Go users in the US starting later in October. OpenAI says ads are labeled, kept separate from the generated image and do not influence answers.

On the blog

• 8 OctClaude Max and Team now include monthly API credits: how they work$100 on Max 5x, $200 on Max 20x, up to $500 pooled on Team. What the credits cover, what they don't (Claude Code), and how to claim them.
• 7 OctClaude Haiku 5.5: Anthropic's cheapest small model gets a big upgradeHaiku 5.5 costs around 75% less to run than Haiku 4.5, adds effort levels and a 1M context window. Pricing, benchmarks and migration gotchas.

Usage resets

Completed and reported resets, announcements and banked resets. Only Completed entries count as a finished reset. Full monthly logs: Codex resets in October 2026.

• 11 OctCodex Codex reset on Oct 11, 2026 (completed)Tibo confirmed that the global Codex reset announced the previous evening had fully propagated.
• 10 OctCodex Codex reset announced on Oct 10, 2026Tibo announced a global Codex reset by end of day as part of his daily update series. Completion was confirmed in a later post on 11 October.
• 8 OctCodex Codex banked reset on Oct 8, 2026Tibo confirmed the Day 3 banked reset had landed across all accounts.
• 7 OctCodex Codex banked reset on Oct 7, 2026Day 3 of the 28-day series: Tibo announced a banked reset loading into every paid account by end of day PST. Landing was confirmed on 8 October.
• 7 OctCodex Codex reset on Oct 7, 2026 (completed)After a community vote on Day 2 of the 28-day series, Tibo reported that the reset had been processed.

Announcements on X

Our one-line summaries of selected posts, each linked to the original. Not the full account timelines.

• 11 OctCodex GPT-6.1 Sol long-context fees no longer apply when usage comes from the subscription.@thsottiaux · View on X
• 11 OctCodex Default GPT-6.1 Sol context in Codex and Work rises from 272k to 500k tokens.@thsottiaux · View on X
• 11 OctCodex Tibo polls Pro users: five-hour limits with 2X weekly usage, or no five-hour limits.@thsottiaux · View on X
• 11 OctCodex Tibo confirms the global Codex reset has fully propagated.@thsottiaux · View on X
• 10 OctCodex Tibo announces a global Codex reset by end of day.@thsottiaux · View on X
• 9 OctCodex Day 5: composer predictions arrive in the desktop app for Pro plans without using usage.@thsottiaux · View on X
• 9 OctClaude Every Pro and Max user on the Claude Code Projects waitlist now has access.@ClaudeDevs · View on X
• 9 OctClaude Claude Managed Agents dynamic workflows enter public beta for multi-agent orchestration.@ClaudeDevs · View on X
• 8 OctClaude A guide shows how to build scheduled automations with Claude Managed Agents.@ClaudeDevs · View on X
• 8 OctClaude Sonnet 5.5 cache reads now cost half as much on the Claude Platform (API only).@ClaudeDevs · View on X
• 8 OctClaude Claude Dashboards and Claude Motion are in beta.@claudeai · View on X
• 8 OctClaude Max and Team plans now include monthly Claude Platform API credits.@ClaudeDevs · View on X
• 8 OctCodex Tibo confirms the banked reset landed across all accounts.@thsottiaux · View on X
• 7 OctCodex Day 3: GPT-6 in Chat, 40M active users, and a banked reset for every paid account.@thsottiaux · View on X
• 7 OctClaude Claude Haiku 5.5 launches, costing around 75% less to run than Haiku 4.5.@claudeai · View on X
• 7 OctCodex The community voted for a reset on Day 2, and Tibo says it has been processed.@thsottiaux · View on X
• 6 OctCodex Day 2 roundup: free auto-review, simplified builder API, meeting notes and a Decisions API.@thsottiaux · View on X
• 6 OctClaude Every built a shared company agent on Claude Managed Agents.@claudeai · View on X
• 6 OctClaude Claude now works inside Google Docs, Sheets and Slides.@claudeai · View on X
• 6 OctClaude The Claude Startups program expands to more founders.@claudeai · View on X
• 6 OctCodex Day 2.1: auto-review becomes free for users signed in with a ChatGPT account.@thsottiaux · View on X

Claude Code releases (7)

• 9 OctClaude Code 2.1.296Added a code key to the Claude apps gateway's managed.policies[]: the same settings as cli, also applied in Claude Desktop's Code tab; beside desktop,…
• 8 OctClaude Code 2.1.295Added onFailure: "block" for command and HTTP hooks: a hook that can't start, times out, or exits with an unexpected code blocks the action…
• 8 OctClaude Code 2.1.294Fixed prompt and agent hooks written as instructions (such as "Block commands that...") allowing what they should block · Improved how prompt hooks on…
• 7 OctClaude Code 2.1.293Added Claude Haiku 5.5 (claude-haiku-5-5), now the default Haiku model on the Anthropic API — 1M context, $0.10/$0.50 per Mtok ($0.50/$2.50 for prompts over…
• 6 OctClaude Code 2.1.292Added --marketplace to claude plugin install: adds the marketplace if needed, under the same policy checks as claude plugin marketplace add, then installs the…
• 6 OctClaude Code 2.1.291Fixed a regression in 2.1.290 where cloud sessions could drop answers to permission prompts · Fixed a regression in 2.1.288 where the last messages…
• 5 OctClaude Code 2.1.290Added serverToolUses to the result of a mod's turn.step hook: the tool calls the API ran itself (the advisor), each with its id, name,…

Claude Code changelog

Codex CLI releases (4)

• 9 OctCodex CLI 0.162.1Fixed a TUI crash when asynchronous questions contain multiple lines, preserving line breaks and complete hyperlink destinations. (#51866) · Fixed startup failures caused by…
• 8 OctCodex CLI 0.162.0Add tools for creating and listing managed Git worktrees from trusted local projects when the worktrees feature is enabled. (#50148) · Pin tasks in…
• 7 OctCodex CLI 0.161.0GPT-6.1 Sol is now the default model in the bundled and Amazon Bedrock catalogs. (#49318, #49339) · Amazon Bedrock supports multi-agent V2 and Ultra…
• 5 OctCodex CLI 0.160.1Preserve SYSTEMROOT, TEMP, and TMP when launching remote stdio MCP servers with explicitly configured remote environment variables, allowing Unix hosts to retain the Windows…

Codex CLI changelog