Claude Sonnet 4.6
Claude Sonnet 4.6Alternatives?
CheaperGemini 4 Argonhigh+16%-33%*$1.99Synchronous output stops at 65,536+2
BetterGPT-6 Lunamax+9%-97%$0.068Function calling only with none · Chat Completions+3
OpenKimi K3max+12%same$2.00Sampling parameters are fixed+3CheaperClaude Sonnet 5.5max+15%-33%$5.46No forced tool use+5CheaperGemini 3.8 Flashhigh+14%-75%*$1.24Sampling parameters are ignored+1Gemini 4 Argonhigh+16%-33%*$1.99Synchronous output stops at 65,536+2Claude Sonnet 5.5max+15%-33%$5.46No forced tool use+5Gemini 3.8 Flashhigh+14%-75%*$1.24Sampling parameters are ignored+1GPT-6.1 Solmax+14%-33%$0.72Remove unsupported parameters+5Gemini 3.1 Pro Previewhigh+13%-25%$2 / $12Cannot use both thinking controlsGPT-6 Lunamax+9%-97%$0.068Function calling only with none · Chat Completions+3GPT-5.6 Terralow+5%-25%$0.14Prompts with >272K input tokensGPT-5.6 Lunamax+10%-93%$0.18
Grok 4.3high+7%-74%$0.21Claude Haiku 5.5max+8%-97%$0.21Remove sampling parameters+5Kimi K3maxOpen+12%same$2.00Sampling parameters are fixed+3
GLM 5.2maxOpen+10%-64%$1.47No image input
DeepSeek V4 Pro 0813maxOpen+10%-67%$0.67No image input+5
MiniMax M3unstatedOpen+9%-91%$0.30 / $1.20Context: 1M → 524K+2GLM 5.3maxOpen+9%-64%$2.01No image input+4Claude Sonnet 5.5max+15%—$5.46No forced tool use+5Claude Opus 5max+13%—$5.86Claude Opus 4.8max+9%—$4.08Claude Opus 5.5max+9%—$5.98No forced tool use+5Claude Sonnet 5xhigh+9%—$2.87Claude Opus 4.7xhigh+8%—$5 / $25Claude Haiku 5.5max+8%—$0.21Remove sampling parameters+5Claude Opus 4.6max+6%—$5 / $25All Anthropic models →History
7 versionsBenchmarks
in Chat & KnowledgeFAQ
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.
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 Qwen 3.5 35B A3B?›
On GPQA Diamond · Epoch, Claude Sonnet 4.6 scores 83.3 vs 83.5 — about the same.
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 Kimi K3.
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?›
Gemini 4 Argon (cheaper), GPT-6 Luna (better), Kimi K3 (open weights).