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Anthropic · language model

Claude Opus 5.5

Anthropic: Claude Opus 5.5 is a language model on the Overblast AI Gateway. Call it as anthropic/claude-opus-5.5 with one Overblast API key, paid from your AI credits.

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Prices are final: what a call costs in AI credits, in US dollars. As of 2 October 2026, from the live catalogue.

Price

Anthropic: Claude Opus 5.5: price
Input, per M tokens$8.00
Output, per M tokens$40.00

What it does

Anthropic: Claude Opus 5.5: what it does
DoesChat completions, Messages (Claude Code), Responses (Codex)

Where it runs

Anthropic: Claude Opus 5.5: where it runs
RegionsCan be pinned to EU and US, or run globally
Zero data retentionYes: served only by endpoints that keep neither the prompt nor the answer
Context1,000,000 tokens
EndpointPOST /v1/chat/completions

Call it

curl https://ai.overblast.app/v1/chat/completions \
  -H "Authorization: Bearer $OVERBLAST_API_KEY" \
  -H "Content-Type: application/json" \
  -d '{
    "model": "anthropic/claude-opus-5.5",
    "messages": [
      {
        "role": "user",
        "content": "Say hello in Estonian"
      }
    ]
  }'

Aliases that pick it today

This alias resolves to this model right now. An alias can move to another model as the catalogue changes.

  • auto/reasoning (Auto: reasoning)

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