Anthropic: Claude Opus 5.5

anthropic/claude-opus-5-5

Claude 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.

Providers serving this model
ProviderInput /MOutput /MCache read /MLatency P50Throughput P50Uptime
Amazon Bedrock$4.00$20$0.203.69s69 tps100%
Azureglobal$4.00$20$0.203.06s81 tps100%
Google Vertexglobal$4.00$20$0.203.40s64 tps100%
Anthropic$4.00$20$0.202.59s87 tps100%
Amazon Bedrockeu-west-1$4.40$22$0.224.03s67 tps100%
Amazon Bedrockus-east-1$4.40$22$0.223.81s79 tps100%
Azureeastus2$4.40$22$0.22——100%
Google Vertexus$4.40$22$0.222.77s87 tps100%
Google Vertexeu$4.40$22$0.221.91s88 tps100%
Anthropic$8.00$40$0.401.20s223 tps100%
Claude Platform on AWS$4.00$20$0.203.55s77 tps99.95%

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 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 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 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 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 99.88%
Oct 29, 6:00 PMNow
Availability over the last 24 hoursAvailability 99.83%
100% 98% 97% 95%
Oct 31, 6:10 PMNow

Apps

Tools that most often run Claude Opus 5.5, by tokens this week.

Activity

27063.6B tokens processed market-wide in the last month.

0500.0B1000.0B1500.0B2000.0B
Oct 2Oct 7Oct 12Oct 17Oct 22Oct 27Nov 1
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 https://minuykh.app/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.

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