Claude Sonnet 4.6
Claude Sonnet 4.6Alternatives?
CheaperGPT-6 Astraxhigh×19.7-7%$2.31Monitoring can return HTTP 403+2BetterClaude Haiku 5.5low×4.2-99%$0.024Remove sampling parameters+5
OpenGLM 5.3max×13.8-19%$2.01No image input+4
CheaperGemini 4 Argonhigh×18.8-20%*$1.99Synchronous output stops at 65,536+2CheaperClaude Sonnet 5.5xhigh×18.8-19%$2.01No forced tool use+5GPT-6 Astraxhigh×19.7-7%$2.31Monitoring can return HTTP 403+2Gemini 4 Argonhigh×18.8-20%*$1.99Synchronous output stops at 65,536+2Claude Sonnet 5.5xhigh×18.8-19%$2.01No forced tool use+5Claude Opus 5.5high×18.7-27%$1.82No forced tool use+5GPT-6.1 Solmax×18.5-71%$0.72Remove unsupported parameters+5Claude Haiku 5.5low×4.2-99%$0.024Remove sampling parameters+5GPT-6 Lunaxhigh×2.7-98%$0.042Function calling only with none · Chat Completions+3
MiMo v2.6 FlashthinkingOpen×7.5-97%$0.062Pass back reasoning_content+3GPT-6.1 Sollow×10.2-95%$0.13Remove unsupported parameters+5GPT-6 Sollow×3-95%$0.13GLM 5.3maxOpen×13.8-19%$2.01No image input+4MiMo v2.6 ProthinkingOpen×11.5-95%$0.13Pass back reasoning_content+3
DeepSeek V4.1 Flash 1017maxOpen×11.2-89%$0.26Pass back reasoning_content · Chat Completions+4
Ling 3.1 FlashOpen×11-60%$1.00No image input
Step 5 PreviewthinkingOpen×11-59%$1.03web_search not available · Chat Completions+2Claude Sonnet 5.5max×21+120%$5.46No forced tool use+5Claude Opus 5.5max×19.7+141%$5.98No forced tool use+5Claude Fable 5.1max×17.2+207%$7.63Replace forced tool_choice+5Claude Opus 5max×16.2+136%$5.86Claude Fable 5max×14+252%$8.75Claude Haiku 5.5max×10.8-91%$0.21Remove sampling parameters+5Claude Opus 4.8max×7.2+64%$4.08Claude Sonnet 5max×4.7+105%$5.09All Anthropic models →History
7 versionsFAQ
How much does Claude Sonnet 4.6 cost?›
$3 per 1M input tokens and $15 per 1M output tokens; cached input $0.30 per 1M. A typical benchmark task costs about $2.49 at max effort.
Is Claude Sonnet 4.6 free to use?›
There is no free API; the cheapest paid price is $3 per 1M input tokens.
How good is Claude Sonnet 4.6, and what is it best at?›
#70 of 334 in Chat & Knowledge, #46 of 132 in Coding, #61 of 133 in Agents & Tool Use, #27 of 195 in Writing & Language, #62 of 124 in Vision & Documents. Strongest at: Reasoning, Science, Long context, Knowledge.
Is Claude Sonnet 4.6 better than Gemini 3.1 Pro Preview?›
On Terminal-Bench 4.0, Claude Sonnet 4.6 scores 3 vs 4 — lower. It is 91% more expensive per task.
How can I use Claude Sonnet 4.6?›
Through the API of Amazon Bedrock, Anthropic, Azure, Claude Platform on AWS, DeepInfra and 1 more.
What is the context window of Claude Sonnet 4.6?›
1M tokens, with up to 128K output tokens.
When was Claude Sonnet 4.6 released? Is there a newer version?›
Released 2026-02-17. It has been superseded by Claude Sonnet 5.
Is Claude Sonnet 4.6 open source?›
No, Claude Sonnet 4.6 is a closed model available through an API. The closest open-weights option here is GLM 5.3.
Can Claude Sonnet 4.6 read images?›
It accepts text and images, PDF files as input.
What is Claude Sonnet 4.6?›
Claude Sonnet 4.6 is a closed language model from Anthropic, released Feb 2026.
What are the best alternatives to Claude Sonnet 4.6?›
GPT-6 Astra (cheaper), Claude Haiku 5.5 (better), GLM 5.3 (open weights).