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anthropic

Anthropic: Claude Sonnet 5

Vendor: anthropic|claude-sonnet-5
Playground
Modalities
TextImagesText
Model multiplier
×2
Context
1M
Released
Jun 30, 2026

Overview

The most agentic Sonnet model: it closes the gap to Opus 4.8 in reasoning, tool use and code at a markedly lower price. Hallucinates and sycophantically agrees less often than Sonnet 4.6.

Context
1M
Max output
64,000
Released
Jun 30, 2026
Step-by-step reasoning
Yes
Popular

Consumption multiplier

The model coefficient is a usage multiplier. Actual reference-token deductions are available in request logs.

Model multiplier
×2

Performance

Gateway metrics for the last 24 hours.

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FAQ

Are there any rate limits?

The default limit is request rate per key. Each key can be restricted by models, spend and IP in your dashboard.

How is billing calculated?

Usage is deducted per request, accounting for model, output and cache coefficients. The final reference-token usage is available in request logs.

Is streaming supported?

Yes, stream: true behaves exactly like in the OpenAI API — tokens arrive as they are generated.