Claude Sonnet 4.6
Claude Sonnet 4.6Alternatives?
CheaperGPT-5.6 Solmax+41%-20%$1.99
BetterGLM 5.3 FlashmaxOpen+29%-89%$0.28Defaults to max · Self-hosted+4
OpenStep 5 Previewthinking+40%-59%$1.03web_search not available · Chat Completions+2
CheaperGemini 3.8 Flashhigh+32%-50%*$1.24Sampling parameters are ignored+1CheaperGPT-5.6 Terramax+28%-44%$1.40Prompts with >272K input tokensGPT-5.6 Solmax+41%-20%$1.99Step 5 PreviewthinkingOpen+40%-59%$1.03web_search not available · Chat Completions+2Gemini 3.8 Flashhigh+32%-50%*$1.24Sampling parameters are ignored+1GLM 5.3 FlashmaxOpen+29%-89%$0.28Defaults to max · Self-hosted+4GPT-5.6 Terramax+28%-44%$1.40Prompts with >272K input tokensGLM 5.3 FlashmaxOpen+29%-89%$0.28Defaults to max · Self-hosted+4Step 5 PreviewthinkingOpen+40%-59%$1.03web_search not available · Chat Completions+2GPT-6 Solmax+24%-58%$1.04
Qwen3.7 Maxthinking+7%-54%$1.15No image inputGemini 3.8 Flashhigh+32%-50%*$1.24Sampling parameters are ignored+1Step 5 PreviewthinkingOpen+40%-59%$1.03web_search not available · Chat Completions+2GLM 5.3 FlashmaxOpen+29%-89%$0.28Defaults to max · Self-hosted+4
Kimi K3maxOpen+20%-20%$2.00Sampling parameters are fixed+3GLM 5.3maxOpen+16%-19%$2.01No image input+4GLM 5.2maxOpen+7%-41%$1.47No image inputClaude Fable 5.1max+24%+207%$7.63Replace forced tool_choice+5Claude Opus 4.7max+17%—$5 / $25Claude Opus 5.5max-4%+141%$5.98No forced tool use+5Claude Haiku 4.5thinking-31%-89%$0.28Context: 1M → 200KClaude Haiku 5.5mediumn/a—$0.047Remove sampling parameters+5Claude Sonnet 5.5highn/a—$0.88No forced tool use+5Claude Mythos 5.1n/a—$10 / $50Claude Opus 5mediumn/a—$2.19All Anthropic models →Benchmarks
in Agents & Tool UseFAQ
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 Qwen3.8 Max (0902)?›
On ITBench SRE, Claude Sonnet 4.6 scores 39.8 vs 40.3 — about the same. It is 54% cheaper 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 Step 5 Preview.
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-5.6 Sol (cheaper), GLM 5.3 Flash (better), Step 5 Preview (open weights).