Claude Sonnet 5
Claude Sonnet 5Alternatives?
CheaperGemini 4 Argonhigh+46%-31%*$1.99Synchronous output stops at 65,536+2BetterClaude Haiku 5.5xhigh+9%-96%$0.12Remove sampling parameters+5
OpenMiMo v2.6 Prothinking+26%-95%$0.13Pass back reasoning_content+3Lower effortSame modelhigh-8%-38%$1.79CheaperClaude Opus 5.5high+42%-37%$1.82No forced tool use+5Gemini 4 Argonhigh+46%-31%*$1.99Synchronous output stops at 65,536+2Claude Opus 5.5high+42%-37%$1.82No forced tool use+5
GPT-6 Astraxhigh+40%-20%$2.31Monitoring can return HTTP 403+2GPT-6.1 Solmax+36%-75%$0.72Remove unsupported parameters+5Claude Opus 5medium+31%-24%$2.19Claude Haiku 5.5xhigh+9%-96%$0.12Remove sampling parameters+5GPT-6.1 Sollow+21%-95%$0.13Remove unsupported parameters+5MiMo v2.6 ProthinkingOpen+26%-95%$0.13Pass back reasoning_content+3
MiniMax M3.1 Flashthinking+23%-92%$0.22Complete model response must be appended
DeepSeek V4.1 Flash 1017maxOpen+11%-91%$0.26Pass back reasoning_content · Chat Completions+4MiMo v2.6 ProthinkingOpen+26%-95%$0.13Pass back reasoning_content+3
Kimi K3maxOpen+20%-30%$2.00Sampling parameters are fixed+3
Step 5 PreviewthinkingOpen+19%-64%$1.03web_search not available · Chat Completions+2
Muse Spark OpenxhighOpen+12%-71%$0.84Reasoning off leaves output unchanged · Self-hosted / llama.cpp+1DeepSeek V4.1 Flash 1017maxOpen+11%-91%$0.26Pass back reasoning_content · Chat Completions+4Claude Fable 5.1xhigh+50%+108%$5.98Replace forced tool_choice+5Claude Opus 5.5xhigh+47%+20%$3.46No forced tool use+5Claude Fable 5max+42%+205%$8.75Claude Opus 5xhigh+39%+70%$4.88Claude Sonnet 5.5xhigh+28%-30%$2.01No forced tool use+5Claude Opus 4.8max+25%+42%$4.08Claude Haiku 5.5xhigh+9%-96%$0.12Remove sampling parameters+5Claude Opus 4.7high-15%—$5 / $25All Anthropic models →History
7 versionsBenchmarks
in Chat & KnowledgeFAQ
How much does Claude Sonnet 5 cost?›
$2 per 1M input tokens and $10 per 1M output tokens; cached input $0.20 per 1M. A typical benchmark task costs about $2.87 at xhigh effort.
Is Claude Sonnet 5 free to use?›
There is no free API; the cheapest paid price is $2 per 1M input tokens.
How good is Claude Sonnet 5, and what is it best at?›
#48 of 334 in Chat & Knowledge, #40 of 132 in Coding, #48 of 133 in Agents & Tool Use, #40 of 195 in Writing & Language, #36 of 124 in Vision & Documents. Strongest at: Agents & work tasks, Reasoning, Science, Knowledge.
Is Claude Sonnet 5 better than Claude Sonnet 4.6?›
On Humanity's Last Exam, Claude Sonnet 5 scores 41.3 vs 33.6 — higher. It is 16% more expensive per task.
How can I use Claude Sonnet 5?›
Through the API of Amazon Bedrock, Anthropic, Azure, Claude Platform on AWS, DeepInfra and 1 more.
What is the context window of Claude Sonnet 5?›
1M tokens, with up to 128K output tokens.
When was Claude Sonnet 5 released? Is there a newer version?›
Released 2026-06-29. It has been superseded by Claude Sonnet 5.5.
Is Claude Sonnet 5 open source?›
No, Claude Sonnet 5 is a closed model available through an API. The closest open-weights option here is MiMo v2.6 Pro.
Can Claude Sonnet 5 read images?›
It accepts text and images, PDF files as input.
What is Claude Sonnet 5?›
Claude Sonnet 5 is a closed language model from Anthropic, released Jun 2026, the successor to Claude Sonnet 4.6.
What are the best alternatives to Claude Sonnet 5?›
Gemini 4 Argon (cheaper), Claude Haiku 5.5 (better), MiMo v2.6 Pro (open weights).