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 |
|---|---|---|---|---|---|---|
 Amazon Bedrock | $4.00 | $20 | $0.20 | 4.31s | 78 tps | 100% |
 Google Vertexglobal | $4.00 | $20 | $0.20 | 3.35s | 85 tps | 100% |
 Claude Platform on AWS | $4.00 | $20 | $0.20 | 4.45s | 74 tps | 100% |
| Anthropic | $4.00 | $20 | $0.20 | 1.77s | 79 tps | 100% |
| Amazon Bedrockeu-west-1 | $4.40 | $22 | $0.22 | 4.75s | 72 tps | 100% |
| Amazon Bedrockus-east-1 | $4.40 | $22 | $0.22 | 4.21s | 96 tps | 100% |
 Azureeastus2 | $4.40 | $22 | $0.22 | 1.46s | 95 tps | 100% |
| Google Vertexus | $4.40 | $22 | $0.22 | 4.98s | 84 tps | 100% |
| Google Vertexeu | $4.40 | $22 | $0.22 | 2.79s | 90 tps | 100% |
| Anthropic | $8.00 | $40 | $0.40 | 2.11s | 151 tps | 100% |
| Azureglobal | $4.00 | $20 | $0.20 | 3.05s | 73 tps | 99.91% |
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.
0.0s10.0s20.0s30.0s40.0s
Oct 16, 12 AMOct 16, 8 AMOct 16, 4 PMOct 17, 12 AMOct 17, 8 AMOct 17, 4 PMOct 18, 12 AMOct 18, 8 AMOct 18, 4 PMOct 19, 12 AMOct 19, 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) Azure (eastus2)
0 tok/s500 tok/s1000 tok/s1500 tok/s2000 tok/s
Oct 16, 12 AMOct 16, 8 AMOct 16, 4 PMOct 17, 12 AMOct 17, 8 AMOct 17, 4 PMOct 18, 12 AMOct 18, 8 AMOct 18, 4 PMOct 19, 12 AMOct 19, 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) Azure (eastus2)
Uptime
100% of requests were served successfully over the last 3 days, across all providers.
Last 3 daysAvailability 99.95%
Oct 16, 9:00 AMNow
Availability over the last 24 hoursAvailability 99.92%
100% 98% 97% 95%
Oct 18, 9:20 AMNow
Apps
Tools that most often run Claude Opus 5.5, by tokens this week.
Activity
14998.4B tokens processed market-wide in the last month.
0500.0B1000.0B1500.0B2000.0B
Sep 22Sep 27Oct 2Oct 7Oct 12Oct 17
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.
