Claude Sonnet 5
Claude Sonnet 5Alternatives?
CheaperGemini 4 Argonhigh×2.1-61%*$1.99Synchronous output stops at 65,536+2
BetterGPT-6 Lunamedium+11%-100%$0.017Function calling only with none · Chat Completions+3
OpenDeepSeek V4.1 Flash 1017max+83%-95%$0.26Pass back reasoning_content · Chat Completions+4Lower effortSame modelxhigh-6%-44%$2.87
CheaperMiniMax M3.1 Flashthinking+99%-96%$0.22Complete model response must be appendedGemini 4 Argonhigh×2.1-61%*$1.99Synchronous output stops at 65,536+2MiniMax M3.1 Flashthinking+99%-96%$0.22Complete model response must be appendedGPT-6 Astramax+88%-36%$3.26Monitoring can return HTTP 403+2
Muse Wondermax+86%-11%$4.52Only auto tool_choice is supported+5
Grok 4.6xhigh+83%-66%$1.75Context: 1M → 500KGPT-6 Lunamedium+11%-100%$0.017Function calling only with none · Chat Completions+3
MiMo v2.6 FlashthinkingOpen+75%-99%$0.062Pass back reasoning_content+3GPT-5.6 Lunaxhigh+17%-98%$0.085GPT-6.1 Sollow+44%-97%$0.13Remove unsupported parameters+5GPT-6 Sollow+48%-97%$0.13DeepSeek V4.1 Flash 1017maxOpen+83%-95%$0.26Pass back reasoning_content · Chat Completions+4MiMo v2.6 FlashthinkingOpen+75%-99%$0.062Pass back reasoning_content+3
GLM 5.3maxOpen+70%-61%$2.01No image input+4
Ling 3.1 FlashOpen+69%-80%$1.00No image inputGLM 5.3 FlashmaxOpen+65%-94%$0.28Defaults to max · Self-hosted+4Claude Sonnet 5.5max+97%+7%$5.46No forced tool use+5Claude Opus 5.5max+90%+17%$5.98No forced tool use+5Claude Fable 5.1max+63%+50%$7.63Replace forced tool_choice+5Claude Opus 5max+55%+15%$5.86Claude Fable 5max+48%+72%$8.75Claude Opus 4.8max+25%-20%$4.08Claude Haiku 5.5max-3%-96%$0.21Remove sampling parameters+5Claude Sonnet 4.6max-45%-51%$2.49All Anthropic models →History
7 versionsBenchmarks
in Agents & Tool UseFAQ
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 $5.09 at max 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?›
#38 of 334 in Chat & Knowledge, #32 of 132 in Coding, #45 of 133 in Agents & Tool Use, #40 of 195 in Writing & Language, #36 of 124 in Vision & Documents. Strongest at: Coding, Agents & work tasks, Reasoning, Science, Long context, Knowledge.
Is Claude Sonnet 5 better than Claude Sonnet 4.6?›
On AutomationBench-AA, Claude Sonnet 5 scores 36.5 vs 20.1 — higher. It is 105% more expensive 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 V4.1 Flash 1017.
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?›
Gemini 4 Argon (cheaper), GPT-6 Luna (better), DeepSeek V4.1 Flash 1017 (open weights).