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Models2026-09-23 · source-backed
The Opus 5.5 release page says both will follow with many of the same gains in performance, efficiency and safety. Anthropic also raised five-hour usage limits on Pro, Max, Team and seat-based Enterprise, and offered subscribers a free reset to try Opus 5.5. High-volume pipelines on Haiku or Sonnet should plan for a cheaper tier upgrade rather than optimizing around current pricing.
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Every conversation I've had about AI costs in the last six months eventually lands on the same tension: you want the smartest model for the hard decisions, but you can't afford to run it on every token. Anthropic just gave that tension a formal solution. The advisor tool, now...
The extension takes autonomous actions (reading, clicking, form-filling) without per-action approval, gated by a safety classifier validating each action plus probes scanning page content for injection attempts. Anthropic publishes per-model attack success rates with safeguard...
Anthropic updated it July 23 so spoken conversations run on Sonnet and Opus, starting on whatever model you last used in text, with a picker to switch tiers mid-conversation. Voice now reaches Gmail, Google Calendar, Slack, Canva and Notion. Free tier gets Haiku plus single-ap...
OpenAI shipped GPT-5.6 as three separately-named products rather than one model with a reasoning-effort dial, and GitHub gated them by SKU on day one. Anthropic did the equivalent with Opus/Sonnet/Haiku plus effort levels. Copilot now surfaces all of them in one picker. Model...
Tessl ran 880 evaluations across 9 models with and without agent skills. The result inverts what most teams assume about AI costs. Haiku 4.5, Anthropic's cheapest model at roughly $0.25 per million tokens, scored 84.3% when given a well-crafted agent skill. Opus 4.7, the most...
Your Claude subscription is about to get a lot more expensive if you're running agents programmatically. Starting June 15, Anthropic is decoupling all programmatic usage (Agent SDK, claude -p, Claude Code terminal) from the interactive subscription pool. Instead of eating from...
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