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Anthropic: Claude Sonnet 4

anthropic/claude-sonnet-4
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Claude Sonnet 4 significantly enhances the capabilities of its predecessor, Sonnet 3.7, excelling in both coding and reasoning tasks with improved precision and controllability.

Modalities
In / out per 1M$3.00 / $15
Context195K
ReleasedMay 22, 2025

Providers

2 providers serve this model upstream.

Providers serving this model
ProviderInput /MOutput /MCache read /MLatency P50Throughput P50Uptime
Amazon Bedrockeu-west-1$3.00$15$0.301.75s37 tps100%
Amazon Bedrock$3.00$15$0.300.91s49 tps100%

Market-wide measurements, refreshed every 15 minutes. They describe who serves Claude Sonnet 4 in general, not how ProjectCOZY routes your requests.

Pricing

List rates per 1M tokens — what Claude Sonnet 4 costs pay-as-you-go elsewhere, not what you pay here.

Input
$3.00
per 1M tokens
Output
$15
per 1M tokens
Cache read
$0.30
per 1M cached tokens
Included in every pass
Claude Sonnet 4 is included in every ProjectCOZY pass at no extra cost — one flat rate, no per-token metering. The rates above are there for comparison.

Performance

Time to first token and output speed across every provider, over the last 3 days.

0.0s1.0s2.0s3.0s4.0s
Oct 11, 12 AMOct 11, 8 AMOct 11, 4 PMOct 12, 12 AMOct 12, 8 AMOct 12, 4 PMOct 13, 12 AMOct 13, 8 AMOct 13, 4 PMOct 14, 12 AMOct 14, 8 AM
Amazon Bedrock Amazon Bedrock (eu-west-1)
0 tok/s50 tok/s100 tok/s150 tok/s200 tok/s
Oct 11, 12 AMOct 11, 8 AMOct 11, 4 PMOct 12, 12 AMOct 12, 8 AMOct 12, 4 PMOct 13, 12 AMOct 13, 8 AMOct 13, 4 PMOct 14, 12 AMOct 14, 8 AM
Amazon Bedrock Amazon Bedrock (eu-west-1)

Uptime

100% of requests were served successfully over the last 3 days, across all providers.

Last 3 daysAvailability 99.85%
Oct 11, 2:00 PMNow
Availability over the last 24 hoursAvailability 99.88%
100% 98% 97% 95%
Oct 13, 2:40 PMNow

Apps

Tools that most often run Claude Sonnet 4, by tokens this week.

Hermes AgentPersonal Agent · 74.3% of tokens13.9BOpenClawPersonal Agent · 13.3% of tokens2.5BClaude CodeCli Agent · 4.9% of tokens911.4MpiCli Agent · 4% of tokens745.4MgooseCloud Agent · 3.5% of tokens647.6M

Activity

61.8B tokens processed market-wide in the last month.

01.0B2.0B3.0B4.0B
Sep 14Sep 19Sep 24Sep 29Oct 4Oct 9Oct 14
Tokens

FAQ

Which model id do I use for Claude Sonnet 4?
anthropic/claude-sonnet-4. Send it as the model field from any OpenAI-compatible client, against http://192.168.1.55/v1.
How much context does Claude Sonnet 4 hold?
200,000 tokens per request, of which up to 64,000 can be the response.
What can it accept and return?
Input: image, text, file. Output: text.
What does Claude Sonnet 4 cost on a pass?
Nothing beyond the pass itself. Pay-as-you-go elsewhere it lists at $3.00 per 1M input tokens and $15 per 1M output tokens.
How current is its knowledge?
Training data runs to Jan 2025. Anything later has to come from your prompt or a tool call.
Who built Claude Sonnet 4?
Anthropic, in the Claude family.

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