Anthropic: Claude Sonnet 4
anthropic/claude-sonnet-4Claude 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
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.
No measurements published
This measurement has not been published for the model yet. It appears as soon as it is.
Uptime
Share of requests that at least one provider served successfully.
Last 3 days
Oct 29, 6:00 PMNow
Availability over the last 24 hours
100% 98% 97% 95%
Oct 31, 6:10 PMNow
Apps
Tools that most often run Claude Sonnet 4, by tokens this week.
Activity
25.4B tokens processed market-wide in the last month.
01.0B2.0B3.0B4.0B
Oct 2Oct 3Oct 4Oct 5Oct 6Oct 7Oct 8Oct 9Oct 10Oct 11Oct 12Oct 13Oct 14Oct 15
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 https://minuykh.app/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.
Explore
Other models your pass can call.
