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Claude Sonnet 5

Claude Sonnet 5 with advanced reasoning, adaptive thinking, and vision capabilities.

claude-sonnet-5
STABLEGet StartedView uptime
1,000,000 context
Released June 30, 2026
Starting at $1.90/M (5% off) input tokens
Starting at $9.50/M (5% off) output tokens
Streaming
Vision
Tools
Reasoning
Structured JSON
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5% offthis model via Anthropic

Select Provider

All Providers for Claude Sonnet 5

OffRail routes requests to the best providers that are able to handle your prompt size and parameters.

Anthropic
Context: 1M5% off
Input
$2$1.9
5% off
/M tokens
Cache Read
$0.2$0.19
5% off
/M tokens
Output
$10$9.5
5% off
/M tokens
Cache Write 5m
$2.5$2.375
5% off
/M tokens
Cache Write 1h
$4$3.8
5% off
/M tokens
+ $0.010$0.009 per search
Get Started
AWS Bedrock
Context: 1M
Input
$2
/M tokens
Cache Read
$0.2
/M tokens
Output
$10
/M tokens
Cache Write 5m
$2.5
/M tokens
Cache Write 1h
$4
/M tokens
Get Started
Vertex AI (Anthropic)
Context: 1M
Input
$2
/M tokens
Cache Read
$0.2
/M tokens
Output
$10
/M tokens
Cache Write 5m
$2.5
/M tokens
Cache Write 1h
$4
/M tokens
Get Started

Frequently asked questions

What is Claude Sonnet 5?

Claude Sonnet 5 with advanced reasoning, adaptive thinking, and vision capabilities. You can access it through OffRail's OpenAI-compatible API with automatic provider routing, fallback, and cost analytics.

How much does Claude Sonnet 5 cost?

Pricing for Claude Sonnet 5 on OffRail starts at $2.00 per million input tokens and $10.00 per million output tokens, depending on the provider. The pricing table above always reflects the current per-provider rates.

What is the context length of Claude Sonnet 5?

Claude Sonnet 5 supports a context window of up to 1,000,000 tokens on its largest provider deployment.

Which providers serve Claude Sonnet 5?

Claude Sonnet 5 is served by Anthropic, AWS Bedrock, Vertex AI (Anthropic) through OffRail. Requests are automatically routed to the best available provider, with fallback when a provider has issues.

Does Claude Sonnet 5 support tool calling and structured outputs?

Yes. Claude Sonnet 5 supports both tool (function) calling and strict JSON output schema (upstream-enforced) through OffRail.

When was Claude Sonnet 5 released?

Claude Sonnet 5 was released on June 30, 2026.

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