Claude Sonnet 5
Claude Sonnet 5Alternatives?
CheaperGPT-6.1 Solxhigh+63%-23%$0.39Remove unsupported parameters+5BetterGPT-6 Lunalow+9%-99%$0.005Function calling only with none · Chat Completions+3
OpenDeepSeek V4 Pro 0813max+31%+32%$0.67No image input+5CheaperGPT-5.6 Sollow+53%-49%$0.26
CheaperMiniMax M3.1 Flashthinking+50%-57%$0.22Complete model response must be appendedGPT-6.1 Solxhigh+63%-23%$0.39Remove unsupported parameters+5GPT-5.6 Sollow+53%-49%$0.26MiniMax M3.1 Flashthinking+50%-57%$0.22Complete model response must be appendedGPT-6 Solhigh+44%-27%$0.37
Gemini 3 Flash Previewthinking+43%-72%$0.50 / $3GPT-6 Lunalow+9%-99%$0.005Function calling only with none · Chat Completions+3GPT-5.6 Lunalow+6%-98%$0.01GPT-6.1 Sollow+58%-74%$0.13Remove unsupported parameters+5GPT-6 Sollow+37%-74%$0.13GPT-5.6 Terralow+17%-72%$0.14Prompts with >272K input tokensDeepSeek V4 Pro 0813maxOpen+31%+32%$0.67No image input+5
Kimi K3maxOpen+27%+293%$2.00Sampling parameters are fixed+3DeepSeek V4.1 Flash 1017maxOpen+15%-48%$0.26Pass back reasoning_content · Chat Completions+4TInklingxhighOpen+11%-57%$0.95 / $4.05Context: 1M → 256K+1
Step 5 PreviewthinkingOpen+11%+102%$1.03web_search not available · Chat Completions+2Claude Fable 5max+75%+1,619%$8.75Claude Opus 5.5low+70%+8%$0.55No forced tool use+5Claude Fable 5.1low+61%+366%$2.37Replace forced tool_choice+5Claude Opus 5low+50%+116%$1.10Claude Opus 4.8max+31%+702%$4.08Claude Sonnet 5.5low+24%-32%$0.35No forced tool use+5Claude Opus 4.6high+23%—$5 / $25Claude Opus 4.7high+20%—$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 $0.51 at low 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?›
#115 of 334 in Chat & Knowledge, #48 of 132 in Coding, #61 of 133 in Agents & Tool Use, #40 of 195 in Writing & Language, #36 of 124 in Vision & Documents. Strongest at: Science.
Is Claude Sonnet 5 better than Claude Sonnet 4.6?›
On AA Omniscience · Accuracy, Claude Sonnet 5 scores 40.1 vs 40.9 — about the same. It is 80% cheaper per task.
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 DeepSeek V4 Pro 0813.
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-6.1 Sol (cheaper), GPT-6 Luna (better), DeepSeek V4 Pro 0813 (open weights).