{
  "key": "doubao-seed-2-1-pro",
  "name": "Doubao Seed 2.1 Pro",
  "description": "Higher-capability model in the Doubao Seed 2.1 family for agentic coding, long-context analysis, complex instruction following, and productivity workflows. Supports a 256k context window and up to 128k output tokens. Note: privacy and logging guarantees may be limited.",
  "lab": null,
  "family": "seed",
  "release_date": "2026-06-23",
  "knowledge": null,
  "open_weights": false,
  "has_free_offering": false,
  "published": true,
  "modalities": {
    "input": [
      "text"
    ],
    "output": [
      "text"
    ]
  },
  "capabilities": {
    "reasoning": false,
    "tool_call": false,
    "structured_output": false,
    "attachment": false,
    "reasoning_options": null
  },
  "limit": {
    "context": 256000,
    "output": 256000
  },
  "offerings": [
    {
      "provider": "nano-gpt",
      "provider_model_id": "bytedance/doubao-seed-2.1-pro",
      "name": "Doubao Seed 2.1 Pro",
      "variants": [],
      "free": false,
      "priced": true,
      "cost": {
        "input": 1,
        "output": 5,
        "cache_read": 0.5,
        "cache_write": null,
        "reasoning": null,
        "context_over_200k": null,
        "tiers": null
      },
      "limit": {
        "context": 256000,
        "output": 128000,
        "input": 256000
      },
      "status": null,
      "last_updated": "2026-06-23"
    },
    {
      "provider": "ofox",
      "provider_model_id": "volcengine/doubao-seed-2.1-pro",
      "name": "Seed 2.1 Pro",
      "variants": [],
      "free": false,
      "priced": true,
      "cost": {
        "input": 0.7072,
        "output": 3.536,
        "cache_read": 0.1416,
        "cache_write": 0.002,
        "reasoning": null,
        "context_over_200k": null,
        "tiers": null
      },
      "limit": {
        "context": 256000,
        "output": 256000,
        "input": null
      },
      "status": null,
      "last_updated": "2026-06-23"
    }
  ]
}