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Claude Opus 5
● liveLive — detected 16:51 UTC Jul 24, alert fired 61s later; superseded by Opus 5.5 on Sep 22 and moved to Anthropic's legacy list; still served at $5/$25, which is now MORE than its successor. On the board as live since 2026-07-24 — the watchers keep tracking it: lineup changes, pricing moves and deprecations all alert.
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Timeline
Anthropic's Claude Opus 5 went live on the public API today. Our checkers saw the id appear at 16:51:33 UTC, confirmed it on the next 60-second sweep, and the alert blast went out at 16:52:34 — sixty-one seconds from first sighting to inbox.
On the bench index
Coding leaderboard
#6 of 40 on the coding index, at 85.7 · combines LMArena · Coding, LiveBench · Coding, Vals Vibe Code Bench
The official word
We alert on verified API behavior, never on announcements alone — but when Anthropic speaks, it's here: anthropic.com/news ↗
Where to use Claude Opus 5
43 providers list Claude Opus 5 in the models.dev catalog (as of 2026-10-27), under the model ids shown below.
claude-opus-5anthropic.claude-opus-5 · au.anthropic.claude-opus-5 · eu.anthropic.claude-opus-5claude-opus-5@defaultclaude-opus-5@defaultclaude-opus-5claude-opus-5anthropic/claude-opus-5anthropic/claude-opus-5 · anthropic/claude-opus-5-fastclaude-opus-5 · claude-opus-5-thinkingclaude-opus-5claude-opus-5anthropic/claude-opus-5Also listed by AIHubMix, Boundless, Cloudflare AI Gateway, CommandCode, Cortecs, CrossModel, DevPass (LLM Gateway), DigitalOcean, Eden AI, GitHub Copilot, GitLab Duo, Kenari, Kilo Gateway, LLM Gateway, Merge Gateway, NanoGPT, NEAR AI Cloud, Neon, Ofox, OpenCode, Opper, OrcaRouter, Perplexity Agent, Pioneer, Prime Inference, Requesty, Snowflake Cortex, Standard Compute, Tempr Gateway, Venice AI, Vivgrid.
Listings cover the model family, so a provider may list a sibling tier under the same name. Check the id before you build on it.
Try it first-hand on Anthropic's own Claude Console playground ↗
Claude Opus 5: quick answers
Is Claude Opus 5 out?
Yes. Claude Opus 5 is live and has been since July 24, 2026.
When was Claude Opus 5 released?
July 24, 2026.
Is Claude Opus 5 good for coding?
On the ArtificialWatch coding index it scores 85.7, #6 of 40 ranked models. The index combines LMArena · Coding, LiveBench · Coding and Vals Vibe Code Bench, taking the median of each model's percentile across them.
Who makes Claude Opus 5?
Anthropic. ArtificialWatch also tracks Claude Haiku 5.5, Claude Sonnet 5.5, Claude Opus 5.5, Fable 5.1, Mythos 5.1, Fable 5, Claude Sonnet 5 and Mythos 5 from Anthropic.
Where can I use Claude Opus 5?
43 providers list it in the models.dev catalog, including Anthropic, Amazon Bedrock, Vertex, Vertex (Anthropic) and Azure. The exact model ids each one lists are on this page.
How much does Claude Opus 5 cost?
Anthropic's own API lists Claude Opus 5 (claude-opus-5) at $5 per million input tokens and $25 per million output tokens, and $0.50 per million cached input tokens. Prices as published in the models.dev catalog, as of 2026-10-27.
What is Claude Opus 5's context window?
1M tokens, with up to 128K output tokens per response, as Anthropic lists Claude Opus 5 (claude-opus-5).
Every live model's API price, side by side → · What a workload costs on Anthropic models →
Head to head
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<a href="https://artificialwatch.com/model/opus-5">Claude Opus 5 on ArtificialWatch</a>ArtificialWatch, "Claude Opus 5", https://artificialwatch.com/model/opus-5Know when Anthropic's next model drops. Free.
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