Claude Opus 4.6 | Sulat AI Models

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Claude Opus 4.6 | Sulat AI Models

Model details

Claude Opus 4.6

Find out what this model does, when it was released, and which provider serves it.

Anthropicclaude-opus-4-6claude-opus

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Quick Info

Provider: Anthropic
Model key: claude-opus-4-6
Release date: Feb 5, 2026
Last updated: Mar 13, 2026
Knowledge: 2025-05-31
Input modalities: text, image, pdf
Output modalities: text
Capabilities: Reasoning, Tool calling, Attachments, Temp controls
Cost summary: In $5.00 · Out $25.00
Limit summary: 1,000,000 token context window

Cost

Input token cost: $5.00
Output token cost: $25.00

Limits

Output tokens: 128,000 tokens
Context window: 1,000,000 tokens

Experimental

{
  "modes": {
    "fast": {
      "cost": {
        "input": 30,
        "output": 150,
        "cache_read": 3,
        "cache_write": 37.5
      },
      "provider": {
        "body": {
          "speed": "fast"
        },
        "headers": {
          "anthropic-beta": "fast-mode-2026-02-01"
        }
      }
    }
  }
}