Anthropic: Claude Sonnet 4.5
anthropic/claude-sonnet-4-5Claude Sonnet 4.5 is Anthropic’s most advanced Sonnet model to date, optimized for real-world agents and coding workflows.
Modalities
In / out per 1M$3.00 / $15
Context1M
ReleasedSep 29, 2025
Providers
7 providers serve this model upstream.
| Provider | Input /M | Output /M | Cache read /M | Latency P50 | Throughput P50 | Uptime |
|---|---|---|---|---|---|---|
| $3.00 | $15 | $0.30 | 1.12s | 36 tps | 100% | |
| $3.00 | $15 | $0.30 | — | — | 100% | |
| $3.00 | $15 | $0.30 | 1.78s | 40 tps | 100% | |
| $3.30 | $17 | $0.33 | 1.19s | 37 tps | 100% | |
| $3.30 | $17 | $0.33 | — | — | 100% | |
| $3.00 | $15 | $0.30 | 0.90s | 38 tps | 99.97% | |
| $3.00 | $15 | $0.30 | 4.09s | 34 tps | 99.73% |
Market-wide measurements, refreshed every 15 minutes. They describe who serves Claude Sonnet 4.5 in general, not how ProjectCOZY routes your requests.
Pricing
List rates per 1M tokens — what Claude Sonnet 4.5 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 4.5 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.
0.0s5.0s10.0s15.0s20.0s
Oct 29, 12 AMOct 29, 8 AMOct 29, 4 PMOct 30, 12 AMOct 30, 8 AMOct 30, 4 PMOct 31, 12 AMOct 31, 8 AMOct 31, 4 PMNov 1, 12 AMNov 1, 8 AMNov 1, 4 PM
Google Vertex (global) Anthropic Amazon Bedrock Amazon Bedrock (eu-west-1) Claude Platform on AWS Google Vertex (us-east5) Azure (global)
0 tok/s100 tok/s200 tok/s300 tok/s400 tok/s
Oct 29, 12 AMOct 29, 8 AMOct 29, 4 PMOct 30, 12 AMOct 30, 8 AMOct 30, 4 PMOct 31, 12 AMOct 31, 8 AMOct 31, 4 PMNov 1, 12 AMNov 1, 8 AMNov 1, 4 PM
Google Vertex (global) Anthropic Amazon Bedrock Amazon Bedrock (eu-west-1) Claude Platform on AWS Google Vertex (us-east5) Azure (global)
Uptime
100% of requests were served successfully over the last 3 days, across all providers.
Last 3 daysAvailability 99.91%
Oct 29, 6:00 PMNow
Availability over the last 24 hoursAvailability 99.92%
100% 98% 97% 95%
Oct 31, 6:10 PMNow
Apps
Tools that most often run Claude Sonnet 4.5, by tokens this week.
Activity
889.6B tokens processed market-wide in the last month.
020.0B40.0B60.0B80.0B
Oct 2Oct 7Oct 12Oct 17Oct 22Oct 27Nov 1
Tokens
FAQ
Which model id do I use for Claude Sonnet 4.5?
anthropic/claude-sonnet-4.5. Send it as the model field from any OpenAI-compatible client, against https://minuykh.app/v1.
How much context does Claude Sonnet 4.5 hold?
1,000,000 tokens per request, of which up to 64,000 can be the response.
What can it accept and return?
Input: text, image, file. Output: text.
What does Claude Sonnet 4.5 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 4.5?
Anthropic, in the Claude family.
Explore
Other models your pass can call.


