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Provider Docs
Claude Sonnet 5 (Free)
claude-sonnetZenMux · anthropic/claude-sonnet-5-free
Capabilities
Tool CallYes
ReasoningYes
Structured OutputNo
Temperature ControlNo
AttachmentsYes
Open WeightsNo
Modalities
Input
textimagepdf
Output
text
Pricing (per 1M tokens)
Input$0.000
Output$0.000
Cache Read$0.000
Cache Write$0.000
Direct installation coming soon — March 2026
Details
ProviderZenMux
Model IDanthropic/claude-sonnet-5-free
Familyclaude-sonnet
Knowledge Cutoff2026-01-31
Release Date2026-06-30
Last Updated2026-06-30
Limits
Context1.0M
Max Output128K
SDK
@ai-sdk/openai-compatible