ZenMuxClaude Sonnet 5 (Free) model ID, context window & pricing
claude-sonnet
Quick facts
Model ID anthropic/claude-sonnet-5-free
Source ZenMux
Context Window 1000000
Pricing -
Capabilities tool calling, reasoning
Model overview
Claude Sonnet 5 (Free) is an AI model from ZenMux with 1000000 token context window and text, image, pdf input support.
Public token pricing is not listed for this model in the current catalog source.
- Workloads that use text, image, pdf inputs with text outputs.
- Agent and tool workflows that need function calling.
- Reasoning-heavy prompts where stepwise problem solving matters.
Model ID anthropic/claude-sonnet-5-free
Provider ZenMux
Family claude-sonnet
Status -
Knowledge Cutoff 2026-01-31
Release Date 2026-06-30
Input Modalities text, image, pdf
Output Modalities text
Context Window 1000000
Input Limit -
Output Limit 128000
Tool Calling Yes
Reasoning Yes
Structured Output -
Temperature Control No
Open Weights No
Input Cost / 1M tokens -
Output Cost / 1M tokens -
Reasoning Cost / 1M tokens -
Cache Read Cost / 1M tokens $0.00
Cache Write Cost / 1M tokens $0.00