Claude Opus 5.5

時系列

1. 2026-09-22 · リリース済み · 参照リンク
2. 2026-09-22 · 公式発表 · 参照リンク

1. 2026-11-13T20:43:49.805Z · 参照リンク · Anthropic · official articles
   抜粋

   For longer analysis, switch to Opus 5.5

2. 2026-11-13T17:54:07.508Z · 参照リンク · Anthropic · official articles
   抜粋

   This post will dive into the mechanics of what makes Opus 5.5 cost effective for how developers are coding today (and likely tomorrow)

3. 2026-11-13T17:43:43.996Z · 参照リンク · Anthropic · official articles
4. 2026-11-13T17:12:46.898Z · 参照リンク · Anthropic · official articles
5. 2026-11-13T17:12:46.898Z · 参照リンク · Anthropic · official articles
6. 2026-11-09T19:05:14.657Z · Alex の投稿 · Alex Getman
   抜粋

   Fable 5.2 beats Opus 5.5 in nearly every benchmark

7. 2026-10-23T17:20:07.567Z · Alex の投稿 · Alex Getman
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   Kimi K3.1 Pro benchmarks are out! Of all these benchmarks, I trust Terminal-Bench 4.0 the most. And the results are impressive: Kimi K3.1 Pro scores 65.7, just 0.7 points behind the leader, Opus 5.5, while outperforming GPT-6 Astra by 7.5 points.

8. 2026-10-15T19:30:51.934Z · 参照リンク · Anthropic · SDK releases
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   Fast mode is out of research preview for Claude Opus 5.5, and you no longer need to request access

9. 2026-10-12T19:34:51.126Z · Alex の投稿 · Alex Getman
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   Meta just released Muse Wonder According to the benchmarks, it's right up there with GPT 6 Astra and Claude Opus 5.5. The results look impressive, but the model might be heavily optimized for benchmarks. It's still unclear how well it actually performs in real world use. And yeah, most of you probably won't be able to try it through a subscription, since Muse is still only available in the US.

10. 2026-09-30T20:45:40.364Z · Alex の投稿 · Alex Getman
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    🚨 Gemini 4 Argon sits almost right on the Pareto frontier for price vs intelligence, next to Claude Opus 5.5 Medium and High

11. 2026-09-28T18:25:26.909Z · Alex の投稿 · Alex Getman
    抜粋

    Sonnet 5.5 Max even beats Opus 5.5 Max on Terminal-Bench, while staying close to Opus across the rest. And against GPT Sol, the price/performance gap looks pretty brutal.

12. 2026-09-28T18:23:32.385Z · Alex の投稿 · Alex Getman
    抜粋

    🚨 Sonnet 5.5 benchmarks are out It crushes Sonnet 5, goes toe-to-toe with Opus 5.5, and beats GPT-6 Sol across most shared benchmarks.

13. 2026-09-22T17:42:17.789Z · Alex の投稿 · Alex Getman
    抜粋

    Claude Opus 5.5 owns almost the entire Pareto frontier

14. 2026-09-22T17:41:09.417Z · Alex の投稿 · Alex Getman
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    Opus 5.5 scores 58 points and takes the top spot in the AA Intelligence Index

15. 2026-09-22T17:37:33.000Z · Alex の投稿 · Alex Getman
    抜粋

    Opus 5.5 is much cheaper than Opus 5

16. 2026-09-22T17:36:48.141Z · Alex の投稿 · Alex Getman
    抜粋

    Opus 5.5 beats Fable and Astra

17. 2026-09-22T16:30:45.162Z · Alex の投稿 · Alex Getman
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    🚨 Claude Opus 5.5 is out!

18. 2026-09-20T15:54:59.132Z · Alex の投稿 · Alex Getman
    抜粋

    🚨 New Claude Opus drops early next week It will likely be called Opus 5.5 $4/$20 input/output pricing, 20% cheaper than Opus 5

参照リンク

• 2026-09-22T16:25:42.506Z · カタログへの掲載 · Anthropic API · claude-opus-5-5

シグナル 2

19:0109-23

Anthropic発見

Anthropic API で Claude Opus 5.5 を発見

確認済み17件の参照リンク

16:2509-22

Anthropicリリース済み

Anthropic が Claude Opus 5.5 をリリース

確認済み17件の参照リンク