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Claude Sonnet 4.6

Claude Sonnet 4.6 with advanced reasoning, extended thinking, and vision capabilities.

claude-sonnet-4-6
STABLEGet StartedView uptime
1,000,000 context
Released February 17, 2026
Starting at $2.85/M (5% off) input tokens
Starting at $14.25/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 4.6

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

Anthropic
Context: 1M5% off
Input
$3$2.85
5% off
/M tokens
Cache Read
$0.3$0.285
5% off
/M tokens
Output
$15$14.25
5% off
/M tokens
Cache Write 5m
$3.75$3.5625
5% off
/M tokens
Cache Write 1h
$6$5.7
5% off
/M tokens
+ $0.010$0.009 per search
Get Started
AWS Bedrock
Context: 1M
Input
$3
/M tokens
Cache Read
$0.3
/M tokens
Output
$15
/M tokens
Cache Write 5m
$3.75
/M tokens
Cache Write 1h
$6
/M tokens
Get Started
Vertex AI (Anthropic)
Context: 1M
Input
$3
/M tokens
Cache Read
$0.3
/M tokens
Output
$15
/M tokens
Get Started

Frequently asked questions

What is Claude Sonnet 4.6?

Claude Sonnet 4.6 with advanced reasoning, extended 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 4.6 cost?

Pricing for Claude Sonnet 4.6 on OffRail starts at $3.00 per million input tokens and $15.00 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 4.6?

Claude Sonnet 4.6 supports a context window of up to 1,000,000 tokens on its largest provider deployment.

Which providers serve Claude Sonnet 4.6?

Claude Sonnet 4.6 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 4.6 support tool calling and structured outputs?

Yes. Claude Sonnet 4.6 supports both tool (function) calling and strict JSON output schema (upstream-enforced) through OffRail.

When was Claude Sonnet 4.6 released?

Claude Sonnet 4.6 was released on February 17, 2026.

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