Claude Opus 5
Claude Opus 5Alternatives?
CheaperGPT-6 Astramaxwins 66%-10%$3.26Monitoring can return HTTP 403+2BetterGPT-6.1 Solmaxwins 63%-80%$0.72Remove unsupported parameters+5
OpenDeepSeek V4.1 Flash 1017maxsame-95%$0.30 / $1.20Pass back reasoning_content · Chat Completions+4CheaperClaude Sonnet 5.5xhighwins 65%-44%$2.01No forced tool use+5CheaperGPT-6 Solmaxwins 53%-71%$1.04GPT-6 Astramaxwins 66%-10%$3.26Monitoring can return HTTP 403+2Claude Sonnet 5.5xhighwins 65%-44%$2.01No forced tool use+5GPT-6.1 Solmaxwins 63%-80%$0.72Remove unsupported parameters+5GPT-6 Solmaxwins 53%-71%$1.04
Gemini 4 Argonhighwins 53%-45%*$1.99Synchronous output stops at 65,536+2GPT-6.1 Solmaxwins 63%-80%$0.72Remove unsupported parameters+5Claude Sonnet 5.5highwins 57%-76%$0.88No forced tool use+5GPT-6 Solmaxwins 53%-71%$1.04Gemini 4 Argonhighwins 53%-45%*$1.99Synchronous output stops at 65,536+2GPT-6 Astramaxwins 66%-10%$3.26Monitoring can return HTTP 403+2DeepSeek V4.1 Flash 1017maxOpensame-95%$0.30 / $1.20Pass back reasoning_content · Chat Completions+4
Kimi K3maxOpensame-45%$2.00Sampling parameters are fixed+3
MiMo v2.6 FlashunstatedOpenwins 46%-98%$0.14 / $0.28Pass back reasoning_content+3
Hy4 previewOpenwins 46%-87%$0.83 / $2.50No image input
Qwen3.8 FlashunstatedOpenwins 46%-98%$0.15 / $0.47Context: 1M → 262K+6Claude Opus 5.5maxwins 70%+66%$5.98No forced tool use+5Claude Fable 5.1maxwins 62%+111%$7.63Replace forced tool_choice+5Claude Sonnet 5.5highwins 57%-76%$0.88No forced tool use+5Claude Fable 5highwins 45%—$10 / $50Claude Haiku 5.5highwins 40%-98%$0.079Remove sampling parameters+5Claude Opus 4.7highwins 36%—$5 / $25Claude Opus 4.8highwins 36%—$5 / $25Claude Opus 4.6highwins 34%—$5 / $25All Anthropic models →History
9 versionsBenchmarks
in CodingFAQ
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 $3.61 at high 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?›
#9 of 334 in Chat & Knowledge, #9 of 132 in Coding, #31 of 133 in Agents & Tool Use, #10 of 195 in Writing & Language, #9 of 124 in Vision & Documents. Strongest at: Coding, Agents & work tasks, Reasoning, Science, Long context, Knowledge, Vision.
Is Claude Opus 5 better than Claude Opus 4.8?›
On WebDev Arena, Claude Opus 5 scores 1,689 vs 1,556 — higher.
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 Astra (cheaper), GPT-6.1 Sol (better), DeepSeek V4.1 Flash 1017 (open weights).