Anthropic: Claude Opus 5.5
anthropic/claude-opus-5-5Claude Opus 5.5 is Anthropic's flagship model for demanding reasoning, coding, and long-horizon agentic work, succeeding Claude Opus 5.
Modalities
In / out per 1M$4.00 / $20
Context1M
ReleasedSep 22, 2026
Providers
11 providers serve this model upstream.
| Provider | Input /M | Output /M | Cache read /M | Latency P50 | Throughput P50 | Uptime |
|---|---|---|---|---|---|---|
 Google Vertexglobal | $4.00 | $20 | $0.20 | 3.23s | 85 tps | 100% |
 Claude Platform on AWS | $4.00 | $20 | $0.20 | 4.73s | 65 tps | 100% |
| Anthropic | $4.00 | $20 | $0.20 | 3.53s | 78 tps | 100% |
 Amazon Bedrockeu-west-1 | $4.40 | $22 | $0.22 | 4.16s | 84 tps | 100% |
| Google Vertexus | $4.40 | $22 | $0.22 | 3.27s | 97 tps | 100% |
| Google Vertexeu | $4.40 | $22 | $0.22 | 2.31s | 101 tps | 100% |
| Anthropic | $8.00 | $40 | $0.40 | 2.17s | 141 tps | 100% |
| Amazon Bedrock | $4.00 | $20 | $0.20 | 4.02s | 63 tps | 99.23% |
 Azureglobal | $4.00 | $20 | $0.20 | 3.30s | 81 tps | 98.19% |
| Amazon Bedrockus-east-1 | $4.40 | $22 | $0.22 | 3.94s | 71 tps | 94.41% |
| Azureeastus2 | $4.40 | $22 | $0.22 | 2.21s | 71 tps | — |
Market-wide measurements, refreshed every 15 minutes. They describe who serves Claude Opus 5.5 in general, not how ProjectCOZY routes your requests.
Pricing
List rates per 1M tokens — what Claude Opus 5.5 costs pay-as-you-go elsewhere, not what you pay here.
Input
$4.00
per 1M tokens
Output
$20
per 1M tokens
Cache read
$0.20
per 1M cached tokens
Included in every pass
Claude Opus 5.5 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.
0.0s20.0s40.0s60.0s80.0s
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
Anthropic Amazon Bedrock Azure (global) Amazon Bedrock (us-east-1) Amazon Bedrock (eu-west-1) Claude Platform on AWS Anthropic Google Vertex (global) Google Vertex (us) Google Vertex (eu)
0 tok/s250 tok/s500 tok/s750 tok/s1000 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
Anthropic Amazon Bedrock Azure (global) Amazon Bedrock (us-east-1) Amazon Bedrock (eu-west-1) Claude Platform on AWS Anthropic Google Vertex (global) Google Vertex (us) Google Vertex (eu)
Uptime
100% of requests were served successfully over the last 3 days, across all providers.
Last 3 daysAvailability 99.92%
Oct 11, 2:00 PMNow
Availability over the last 24 hoursAvailability 99.94%
100% 98% 97% 95%
Oct 13, 2:50 PMNow
Apps
Tools that most often run Claude Opus 5.5, by tokens this week.
Activity
10757.4B tokens processed market-wide in the last month.
0250.0B500.0B750.0B1000.0B
Sep 22Sep 27Oct 2Oct 7Oct 12
Tokens
FAQ
Which model id do I use for Claude Opus 5.5?
anthropic/claude-opus-5.5. Send it as the model field from any OpenAI-compatible client, against http://192.168.1.55/v1.
How much context does Claude Opus 5.5 hold?
1,000,000 tokens per request, of which up to 128,000 can be the response.
What can it accept and return?
Input: text, image, file. Output: text.
What does Claude Opus 5.5 cost on a pass?
Nothing beyond the pass itself. Pay-as-you-go elsewhere it lists at $4.00 per 1M input tokens and $20 per 1M output tokens.
Who built Claude Opus 5.5?
Anthropic, in the Claude family.
Explore
Other models your pass can call.
