Claude Sonnet 4.6
Claude Sonnet 4.6Alternatives?
CheaperGemini 4 Argonhighwins 63%-33%*$1.99Synchronous output stops at 65,536+2
BetterGPT-6.1 Solmaxwins 53%-33%$0.72Remove unsupported parameters+5
OpenKimi K3maxwins 56%same$2.00Sampling parameters are fixed+3CheaperGemini 3.8 Flashhighwins 61%-75%*$1.24Sampling parameters are ignored+1CheaperGemini 3.1 Pro Previewunstatedwins 58%-25%$2 / $12Cannot use both thinking controlsGemini 4 Argonhighwins 63%-33%*$1.99Synchronous output stops at 65,536+2Gemini 3.8 Flashhighwins 61%-75%*$1.24Sampling parameters are ignored+1Gemini 3.1 Pro Previewunstatedwins 58%-25%$2 / $12Cannot use both thinking controlsGemini 3.6 Flashhighwins 57%-75%*$1.60
Muse Spark 1.3maxwins 57%-67%$1.60Only auto tool_choice is supported+5GPT-6.1 Solmaxwins 53%-33%$0.72Remove unsupported parameters+5Muse Spark 1.2xhighwins 57%-67%$0.97Only auto tool_choice is supported+1GPT-5.6 Solxhighwins 54%+33%$1.18Gemini 3.8 Flashhighwins 61%-75%*$1.24Sampling parameters are ignored+1
GLM 5.2maxOpenwins 54%-64%$1.47No image inputKimi K3maxOpenwins 56%same$2.00Sampling parameters are fixed+3
MiMo v2.6 ProunstatedOpenwins 56%-91%$0.43 / $0.87Pass back reasoning_content+3GLM 5.2maxOpenwins 54%-64%$1.47No image inputGLM 5.3 FlashunstatedOpenwins 54%-96%$0.15 / $0.50Defaults to max · Self-hosted+4GLM 5.3maxOpenwins 54%-64%$2.01No image input+4Claude Opus 5.5highwins 61%—$1.82No forced tool use+5Claude Fable 5.1maxwins 61%—$7.63Replace forced tool_choice+5Claude Opus 5maxwins 60%—$5.86Claude Fable 5highwins 59%—$10 / $50Claude Opus 4.6highwins 58%—$5 / $25Claude Opus 4.7highwins 58%—$5 / $25Claude Opus 4.8highwins 55%—$5 / $25Claude Sonnet 5highsame—$1.79All 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?›
#152 of 334 in Chat & Knowledge, #46 of 132 in Coding, #61 of 133 in Agents & Tool Use, #27 of 195 in Writing & Language, #67 of 124 in Vision & Documents. Strongest at: Knowledge.
Is Claude Sonnet 4.6 better than Gemini 3.5 Flash Lite?›
On Arena Text · Russian, Claude Sonnet 4.6 scores 1,439.4 vs 1,443.3 — 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-6.1 Sol (better), Kimi K3 (open weights).