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Models2026-08-02 · source-backed
Platform release notes: Claude Opus 4.1 retires from the API on August 5. The experimental prompt tools APIs retire alongside the Workbench on August 17. The temporary 50% weekly usage boost for Claude Code subscribers runs through August 19. And Claude Sonnet 5's promotional $2/$10 per million ends August 31, reverting to $3/$15: a 50% input price increase. If you have Opus 4.1 pinned in production, you have three days.
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The August 5 platform release notes confirm no serving at all, with Anthropic recommending Opus 5 and pointing researchers to the External Researcher Access Program. Anyone with that pinned model ID in production config or an eval harness breaks today rather than degrading gra...
43.3% on Frontier-Bench v0.1. Opus 4.8 scored 18.7%. That's not an incremental bump, that's the same benchmark with a different shape of answer. Anthropic released Claude Opus 5 on July 24 at $5/$25 per million input/output tokens, exactly half of Fable 5's $10/$50, while matc...
Three separate Anthropic changes over about two weeks point the same direction, and none of them announced themselves as a strategy. Claude Code 2.1.238 added claude self-hosted-runner --defer-shutdown-max-min, which keeps serving attached sessions on SIGTERM, parks whatever's...
Fable 5 and Mythos 5 went dark this week. Not a soft sunset with a six-month migration window. A US export directive, and within hours the models were unavailable to any foreign national anywhere on earth. Enterprise teams outside the US woke up to API calls failing against a...
Martin Alderson's essay "The upcoming AI margin collapse, part 1: GLM 5.2" hit 675 points and 462 comments on Hacker News, and it's the rare HN chart-topper that's actually about spreadsheet math instead of vibes. The argument is simple. Z.ai's GLM 5.2 delivers frontier-adjace...
August 6: Sapiom raised $35M for a router that sends each model call to the cheapest capable model. August 7: Databricks published its internal cost playbook. August 8: Toolport hit Product Hunt with a free MCP gateway cutting tool-definition overhead 96%. Three parties, zero...
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