Claude Opus 5
Claude Opus 5Alternatives?
CheaperClaude Opus 5.5xhighwins 68%-29%$3.46No forced tool use+5
OpenQwen3.8 Flashthinkingwins 42%-92%$0.37Context: 1M → 262K+6Lower effortSame modelhighwins 40%-26%$3.61CheaperClaude Sonnet 5.5xhighwins 66%-59%$2.01No forced tool use+5
CheaperMuse Wondermaxwins 54%-7%$4.52Only auto tool_choice is supported+5Claude Opus 5.5xhighwins 68%-29%$3.46No forced tool use+5Claude Sonnet 5.5xhighwins 66%-59%$2.01No forced tool use+5Muse Wondermaxwins 54%-7%$4.52Only auto tool_choice is supported+5
Grok 4.7xhighsame-23%$3.74Context: 1M → 500K+5Muse Spark 1.3maxwins 43%-67%$1.60Only auto tool_choice is supported+5Claude Opus 5.5highwins 57%-63%$1.82No forced tool use+5Claude Sonnet 5.5xhighwins 66%-59%$2.01No forced tool use+5Muse Wondermaxwins 54%-7%$4.52Only auto tool_choice is supported+5Claude Fable 5.1xhighwins 53%+23%$5.98Replace forced tool_choice+5Muse Wonder Fullwins 63%——Only in Muse CodeQwen3.8 FlashthinkingOpenwins 42%-92%$0.37Context: 1M → 262K+6
DeepSeek V4.1 Flash 1017maxOpenwins 41%-95%$0.26Pass back reasoning_content · Chat Completions+4
MiMo v2.6 ProthinkingOpenwins 33%-97%$0.13Pass back reasoning_content+3
GLM 5.3maxOpenwins 32%-59%$2.01No image input+4
Kimi K3maxOpenwins 32%-59%$2.00Sampling parameters are fixed+3Claude Opus 5.5xhighwins 68%-29%$3.46No forced tool use+5Claude Sonnet 5.5xhighwins 66%-59%$2.01No forced tool use+5Claude Fable 5.1xhighwins 53%+23%$5.98Replace forced tool_choice+5Claude Fable 5maxwins 37%+79%$8.75Claude Haiku 5.5xhighwins 36%-97%$0.12Remove sampling parameters+5Claude Opus 4.8maxwins 14%-16%$4.08Claude Sonnet 5xhighwins 11%-41%$2.87Claude Opus 4.7highwins 4%—$5 / $25All Anthropic models →History
9 versionsBenchmarks
in Agents & Tool UseFAQ
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 $4.88 at xhigh 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?›
#7 of 334 in Chat & Knowledge, #9 of 132 in Coding, #31 of 133 in Agents & Tool Use, #10 of 195 in Writing & Language, #5 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 AA-Briefcase 1.1 · Elo, Claude Opus 5 scores 1,659.5 vs 1,321.4 — higher. It is 20% more expensive 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 Qwen3.8 Flash.
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?›
Claude Opus 5.5 (cheaper), Qwen3.8 Flash (open weights).