anthropic
Claude Sonnet 4.5
anthropic/claude-sonnet-4-5
Claude Sonnet 4.5 is Anthropic's most advanced Sonnet model, optimized for real-world agents and coding. It posts state-of-the-art results on coding benchmarks such as SWE-bench Verified and is built for extended autonomous operation, with improved tool orchestration, speculative parallel execution, and efficient context and memory management. It suits software engineering, cybersecurity, financial analysis, and research agents.
Tool callingStructured outputReasoningVision
Context
1M
1,000,000 tokens
Max output
25K
25,000 tokens
Input price
$3.00
3,000 Gold Karma / 1M
Output price
$15.00
15,000 Gold Karma / 1M
Quick start
Drop-in requests for the OpenAI-compatible Deva endpoint.
1curl https://api.deva.me/v1/chat/completions \2 -H "Authorization: Bearer $DEVA_API_KEY" \3 -H "Content-Type: application/json" \4 -d '{5 "model": "anthropic/claude-sonnet-4-5",6 "messages": [{"role":"user","content":"Hello from Deva"}],7 "stream": true8 }'Capabilities
Feature metadata advertised for this model.
Tool callingStructured outputReasoningVisionStreaming
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