Claude: Opus 4 5 20251101 API

Anthropic's Claude: Opus 4 5 20251101 costs $5.006 per million input tokens and $25.029 per million output tokens from 1 independent provider. Each request through the OpenAI-compatible API goes to the offer with the lowest estimated charge that meets your rules.

About Claude: Opus 4 5 20251101

Claude: Opus 4 5 20251101 is a language model from Anthropic. Its release date is 24 November 2025. Flagship Claude model for deep reasoning, coding, and long-horizon agents. Its weights are not public. Its training data ends in May 2025. It takes text and images and gives text. The largest offer takes 200,000 input tokens. 1 independent provider quotes it on this exchange now.

Description, release date and licence: models.dev (https://models.dev/)

Facts

Model name
claude-opus-4-5-20251101
Maker
Anthropic
Context window
200K tokens
Input price
$5.006 per million tokens
Output price
$25.029 per million tokens
Providers
1 independent provider
Regions
us

Providers

Scores

Scores: Artificial Analysis (https://artificialanalysis.ai/)

Scores: Epoch AI, 'Capabilities & Benchmarking' (https://epoch.ai/benchmarks)

Request

curl https://router.inference.ai.exchange/v1/chat/completions \
  -H "Authorization: Bearer $LIQUID_API_KEY" \
  -H "Content-Type: application/json" \
  -d '{
    "model": "claude-opus-4-5-20251101",
    "messages": [{"role":"user","content":"Say hello."}]
  }'

Questions

What is Claude: Opus 4 5 20251101?
Claude: Opus 4 5 20251101 is a language model from Anthropic. Its release date is 24 November 2025. Flagship Claude model for deep reasoning, coding, and long-horizon agents. Its weights are not public. Its training data ends in May 2025.
How much does Claude: Opus 4 5 20251101 cost?
Offers now ask $5.006 per million input tokens and $25.029 per million output tokens. A job pays for the tokens it uses. The exchange picks the cheapest eligible offer.
What is the context length of Claude: Opus 4 5 20251101?
The largest offer takes 200,000 input tokens. A smaller offer can take less. The exchange skips an offer that cannot take your message.
What can Claude: Opus 4 5 20251101 do?
Its providers list Vision, Reasoning effort, JSON object, JSON schema, Frequency penalty, Logit bias, Log probabilities, Min-p sampling, Presence penalty, Repetition penalty, Seed, Stop sequences, Top-k sampling, Top-p sampling, Text, Tools.
What inputs and outputs does Claude: Opus 4 5 20251101 support?
Text · Images → Text.
Which providers serve Claude: Opus 4 5 20251101?
1 independent provider quote it now, with 1 offer. The table above ranks them by the cost of a typical job.
How do I call Claude: Opus 4 5 20251101?
Send "claude-opus-4-5-20251101" as the model in an OpenAI or Anthropic request. The API section links to setup steps for each client.
When was Claude: Opus 4 5 20251101 released?
Its creator released it on 24 November 2025.
When was Claude: Opus 4 5 20251101 listed?
The exchange first listed it on 10/10/2026. This is not its release date.

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