Claude Opus 5

Jul 2026
Claude Opus 5
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$1.10per task?
$5 / $25per 1M in / outcache $0.50
53 tok/sfirst token in 1.8 s?
1Mcontext

Alternatives?

History

9 versions
708090Jul 25Jan 26Jul 26Release dateGPQA Diamond · Epoch44.14.54.64.74.855.5
708090Jul 25Jan 26Jul 26Release dateGPQA Diamond · Epoch44.14.54.64.74.855.5

Benchmarks

in Chat & Knowledge
MLCR-AA13.9#40
HLE fulllab56.3
ExploitGymlab22.1
HealthBench Professional length-adjustedlab59.8

FAQ

How much does Claude Opus 5 cost?›

$5 per 1M input tokens and $25 per 1M output tokens; cached input $0.50 per 1M. A typical benchmark task costs about $1.10 at low effort.

Is Claude Opus 5 free to use?›

There is no free API; the cheapest paid price is $5 per 1M input tokens.

How good is Claude Opus 5, and what is it best at?›

#30 of 336 in Chat & Knowledge, #25 of 134 in Coding, #35 of 135 in Agents & Tool Use, #5 of 197 in Writing & Language, #21 of 125 in Vision & Documents. Strongest at: Coding, Reasoning, Science, Long context, Knowledge, Vision.

Is Claude Opus 5 better than Claude Opus 4.8?›

On GPQA Diamond · Epoch, Claude Opus 5 scores 93.9 vs 91 — higher. It is 73% cheaper per task.

How can I use Claude Opus 5?›

Through the API of Amazon Bedrock, Anthropic, Azure, Claude Platform on AWS, DeepInfra and 1 more.

What is the context window of Claude Opus 5?›

1M tokens, with up to 128K output tokens.

When was Claude Opus 5 released? Is there a newer version?›

Released 2026-07-24. It has been superseded by Claude Opus 5.5.

Is Claude Opus 5 open source?›

No, Claude Opus 5 is a closed model available through an API. The closest open-weights option here is DeepSeek V4.1 Flash 1017.

Can Claude Opus 5 read images?›

It accepts text and images, PDF files as input.

What is Claude Opus 5?›

Claude Opus 5 is a closed language model from Anthropic, released Jul 2026, the successor to Claude Opus 4.8.

What are the best alternatives to Claude Opus 5?›

GPT-6.1 Sol (cheaper), GPT-6 Luna (better), DeepSeek V4.1 Flash 1017 (open weights).