News wire archive

Gemini 4 Argon: our next era of frontier intelligence

What to do: Watch for the wider release to paid API customers and plan for the announced pricing of $2 per million input tokens, $10 per million output tokens, and cached input at 95% off.

v1.10.0

What to do: Update to v1.10.0 to access new GA Organization API endpoints, Admin API analytics and RBAC features, and MCP tunnels beta improvements.

Show HN: Open-source model routing for coding agents at Astra-level performance

What to do: Try the open-source Weave Router if you want to reduce costs and latency for coding agents by routing between multiple LLMs instead of using a single frontier model.

In Python SDK 1.10.0, TypeScript SDK 0.130.0, C# SDK 12.52.0, Go SDK 1.77.0, Java SDK 2.67.0, PHP SDK 0.53.0, Ruby SDK 1.75.0, and version 1.37.0 of the ant CL…

What to do: If you use Claude Sonnet 4.5, migrate to Claude Sonnet 5.5 before the November 30, 2026 retirement, and review the migration guide for breaking changes.

We announced the deprecation of the Claude Sonnet 4.5 model (claude-sonnet-4-5-20250929), with retirement on the Claude API scheduled for November 30, 2026.

What to do: Migrate from claude-sonnet-4-5-20250929 to Claude Sonnet 5.5 before November 30, 2026.

Elevated errors across ChatGPT, Codex, and the API including the Agents API

v3.22.0

v3.21.0

Elevated errors on claude.ai, Claude Code, Claude Cowork and the Claude API

DevDay 2026 Recap

Introducing GPT-6.1 Sol

Added Ultrafast mode for GPT-6 Astra in the Responses API.

What to do: Use service_tier: "ultrafast" with gpt-6-astra in the Responses API to reduce inter-token latency, keeping in mind EU and other regional inference residency are not supported.

Released GPT-6.1 Sol (gpt-6.1-sol) for complex coding and professional work at a lower cost than GPT-6 Astra.

What to do: Use the Responses API for tool calling and see GPT-6 model guidance for reasoning settings and pricing for available processing tiers.

Added computer use to the Agents API.

v1.9.0

What to do: Update the Anthropic Python SDK to v1.9.0 to use new features including between_tools thinking, streaming tool calls, and cache diagnostics on Message/MessageCreateParams.

v3.20.0

What to do: Update to v3.20.0 to access new Agents credential and session options, Cyber access programs in Responses, and improved WebSocket handling for live and realtime features.

We've launched Claude Sonnet 5.5 (claude-sonnet-5-5).

What to do: Review the migration guide and update code that targets Claude Sonnet 5 before using Claude Sonnet 5.5, especially for tool_choice, thinking configuration, computer use tool names, and advisor model…

Issues with Codex

Fixed a bug in image encoding that degraded image understanding in GPT-6 Sol and GPT-6 Luna.

What to do: Rerun evaluations and retry affected workflows if your use cases involve image inputs.