Claude Sonnet 5
Claude Sonnet 5Alternatives?
CheaperGPT-5.5highwins 61%-22%$1.40Prompts with >272K input tokensBetterGPT-5.6 Terraxhighwins 54%-65%$0.63Prompts with >272K input tokens
OpenKimi K3maxwins 61%+12%$2.00Sampling parameters are fixed+3
CheaperGemini 3 Flash Previewunstatedwins 60%-72%$0.50 / $3CheaperGemini 3.6 Flashhighwins 57%-11%*$1.60GPT-5.5highwins 61%-22%$1.40Prompts with >272K input tokensGemini 3 Flash Previewunstatedwins 60%-72%$0.50 / $3Gemini 3.6 Flashhighwins 57%-11%*$1.60GPT-5.6 Solxhighwins 57%-34%$1.18Gemini 2.5 Prounstatedwins 55%-14%$1.25 / $10GPT-5.6 Terraxhighwins 54%-65%$0.63Prompts with >272K input tokensGPT-5.6 Solxhighwins 57%-34%$1.18
GLM 5.2maxOpenwins 54%-28%$1.28No image inputGPT-5.5highwins 61%-22%$1.40Prompts with >272K input tokensGemini 3.6 Flashhighwins 57%-11%*$1.60Kimi K3maxOpenwins 61%+12%$2.00Sampling parameters are fixed+3GLM 5.3maxOpenwins 55%+12%$2.01No image input+4GLM 5.2maxOpenwins 54%-28%$1.28No image input
DeepSeek V4 Pro 0813unstatedOpenwins 53%-51%$1.32 / $3.96No image input+5Kimi K2.6unstatedOpenwins 53%-57%$0.95 / $4Context: 1M → 256KClaude Fable 5.1maxwins 69%+326%$7.63Replace forced tool_choice+5Claude Opus 5.5highwins 66%same$1.82No forced tool use+5Claude Opus 5highwins 63%+102%$3.61Claude Fable 5highwins 62%—$10 / $50Claude Opus 4.6highwins 59%—$5 / $25Claude Opus 4.7highwins 57%—$5 / $25Claude Sonnet 5.5xhighwins 55%+12%$2.01No forced tool use+5Claude Opus 4.8highwins 53%—$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 $1.79 at high 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?›
#60 of 336 in Chat & Knowledge, #46 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: Reasoning, Science, Knowledge.
Is Claude Sonnet 5 better than Claude Sonnet 4.6?›
On Arena Text · Japanese, Claude Sonnet 5 scores 1,423 vs 1,420.5 — about the same.
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 Kimi K3.
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-5.5 (cheaper), GPT-5.6 Terra (better), Kimi K3 (open weights).