Claude Sonnet 5
Claude Sonnet 5Alternatives?
CheaperGPT-6.1 Solmax+6%-75%$0.72Remove unsupported parameters+5BetterGPT-6 Lunamax+4%-98%$0.068Function calling only with none · Chat Completions+3
OpenDeepSeek V4.1 Flash 1017max+5%-91%$0.26Pass back reasoning_content · Chat Completions+4CheaperGPT-6 Solmax+6%-64%$1.04
CheaperGemini 4 Argonhigh+6%-44%*$1.62Synchronous output stops at 65,536+2GPT-6.1 Solmax+6%-75%$0.72Remove unsupported parameters+5GPT-6 Solmax+6%-64%$1.04Gemini 4 Argonhigh+6%-44%*$1.62Synchronous output stops at 65,536+2GPT-5.6 Solmax+6%-31%$1.99
Qwen3.8 Max (0902)xhigh+6%-25%$2 / $6Context: 1M → 984KGPT-6 Lunamax+4%-98%$0.068Function calling only with none · Chat Completions+3Claude Haiku 5.5high+3%-97%$0.079Remove sampling parameters+5GPT-5.6 Lunamax+4%-94%$0.18DeepSeek V4.1 Flash 1017maxOpen+5%-91%$0.26Pass back reasoning_content · Chat Completions+4DeepSeek V4 Pro 0813maxOpen+4%-77%$0.67No image input+5DeepSeek V4.1 Flash 1017maxOpen+5%-91%$0.26Pass back reasoning_content · Chat Completions+4DeepSeek V4 Pro 0813maxOpen+4%-77%$0.67No image input+5
Kimi K3maxOpen+3%-30%$2.00Sampling parameters are fixed+3Kimi K2.6unstatedOpen+1%-57%$0.95 / $4Context: 1M → 256KKimi K2.7 CodeunstatedOpensame-57%$0.95 / $4Context: 1M → 256K+1Claude Sonnet 5.5max+6%+90%$5.46No forced tool use+5Claude Opus 5.5max+6%+108%$5.98No forced tool use+5Claude Fable 5.1max+6%+166%$7.63Replace forced tool_choice+5Claude Fable 5max+5%+205%$8.75Claude Haiku 5.5xhigh+4%-96%$0.12Remove sampling parameters+5Claude Opus 5max+4%+104%$5.86Claude Opus 4.8max+4%+42%$4.08Claude Opus 4.7xhigh+3%—$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?›
#50 of 336 in Chat & Knowledge, #42 of 134 in Coding, #50 of 135 in Agents & Tool Use, #49 of 197 in Writing & Language, #37 of 125 in Vision & Documents. Strongest at: Agents & work tasks, Reasoning, Science, Knowledge.
Is Claude Sonnet 5 better than Claude Sonnet 4.6?›
On OTIS Mock AIME 2024 2025, Claude Sonnet 5 scores 94.7 vs 82.2 — higher.
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 DeepSeek V4.1 Flash 1017.
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?›
GPT-6.1 Sol (cheaper), GPT-6 Luna (better), DeepSeek V4.1 Flash 1017 (open weights).