{
  "$schema": "https://unbiased.ai/data/prices.schema.json",
  "description": "Machine-readable LLM API list prices, maintained by Unbiased (unbiased.ai). Prices in USD per million tokens. Every entry carries its verification date and source. Measured per-task bills live in measured-bills.json.",
  "lastVerified": "2026-08-01",
  "maintainer": "Unbiased Team, https://unbiased.ai/blog/team/",
  "changePolicy": "Verified against provider pricing pages weekly by automation; drift opens a public review within one day.",
  "models": [
    {
      "id": "claude-fable-5",
      "name": "Claude Fable 5",
      "provider": "Anthropic",
      "tier": "premium",
      "input_usd_per_mtok": 10.0,
      "output_usd_per_mtok": 50.0,
      "cache_read_multiplier": 0.1,
      "batch_discount": 0.5,
      "source": "https://www.anthropic.com/pricing",
      "verified": "2026-07-28"
    },
    {
      "id": "claude-opus-5",
      "name": "Claude Opus 5",
      "provider": "Anthropic",
      "tier": "frontier",
      "input_usd_per_mtok": 5.0,
      "output_usd_per_mtok": 25.0,
      "cache_read_multiplier": 0.1,
      "batch_discount": 0.5,
      "source": "https://www.anthropic.com/pricing",
      "verified": "2026-07-28"
    },
    {
      "id": "claude-opus-4-8",
      "name": "Claude Opus 4.8",
      "provider": "Anthropic",
      "tier": "frontier-prior",
      "input_usd_per_mtok": 5.0,
      "output_usd_per_mtok": 25.0,
      "cache_read_multiplier": 0.1,
      "batch_discount": 0.5,
      "source": "https://www.anthropic.com/pricing",
      "verified": "2026-07-28"
    },
    {
      "id": "claude-sonnet-5",
      "name": "Claude Sonnet 5",
      "provider": "Anthropic",
      "tier": "mid",
      "input_usd_per_mtok": 2.0,
      "output_usd_per_mtok": 10.0,
      "cache_read_multiplier": 0.1,
      "batch_discount": 0.5,
      "source": "https://www.anthropic.com/pricing",
      "verified": "2026-07-28",
      "note": "Introductory rate through 2026-08-31; standard rate $3/$15 from 2026-09-01."
    },
    {
      "id": "claude-haiku-4-5",
      "name": "Claude Haiku 4.5",
      "provider": "Anthropic",
      "tier": "volume",
      "input_usd_per_mtok": 1.0,
      "output_usd_per_mtok": 5.0,
      "cache_read_multiplier": 0.1,
      "batch_discount": 0.5,
      "source": "https://www.anthropic.com/pricing",
      "verified": "2026-07-28"
    },
    {
      "id": "gpt-5-6-sol",
      "name": "GPT-5.6 Sol",
      "provider": "OpenAI",
      "tier": "frontier",
      "input_usd_per_mtok": 5.0,
      "output_usd_per_mtok": 30.0,
      "cache_read_multiplier": 0.1,
      "cache_write_multiplier": 1.25,
      "batch_discount": 0.5,
      "source": "https://www.tldl.io/resources/openai-api-pricing",
      "verified": "2026-07-28"
    },
    {
      "id": "gpt-5-6-terra",
      "name": "GPT-5.6 Terra",
      "provider": "OpenAI",
      "tier": "mid",
      "input_usd_per_mtok": 2.5,
      "output_usd_per_mtok": 15.0,
      "cache_read_multiplier": 0.1,
      "cache_write_multiplier": 1.25,
      "batch_discount": 0.5,
      "source": "https://www.tldl.io/resources/openai-api-pricing",
      "verified": "2026-07-28"
    },
    {
      "id": "gpt-5-6-luna",
      "name": "GPT-5.6 Luna",
      "provider": "OpenAI",
      "tier": "volume",
      "input_usd_per_mtok": 1.0,
      "output_usd_per_mtok": 6.0,
      "cache_read_multiplier": 0.1,
      "cache_write_multiplier": 1.25,
      "batch_discount": 0.5,
      "source": "https://www.tldl.io/resources/openai-api-pricing",
      "verified": "2026-07-28"
    },
    {
      "id": "pareto",
      "name": "Pareto",
      "provider": "Unbiased",
      "tier": "blended",
      "pricing_model": "at_cost",
      "source": "https://unbiased.ai/model-card/",
      "verified": "2026-07-30",
      "note": "Blended model billed at cost; benchmark receipts on the model card."
    },
    {
      "id": "kimi-k3",
      "name": "Kimi K3",
      "provider": "Moonshot AI",
      "tier": "mid",
      "input_usd_per_mtok": 3.0,
      "output_usd_per_mtok": 15.0,
      "cache_read_multiplier": 0.1,
      "source": "https://platform.kimi.ai/docs/pricing/chat-k3",
      "verified": "2026-08-01"
    }
  ],
  "gateways": [
    {
      "id": "openrouter",
      "name": "OpenRouter",
      "fee": "5.5% on non-crypto credit purchases (min $0.80); 5% crypto; BYOK 5% after 1M req/mo",
      "verified": "2026-07-28"
    },
    {
      "id": "requesty",
      "name": "Requesty",
      "fee": "5% markup on token prices",
      "verified": "2026-07-28"
    },
    {
      "id": "portkey",
      "name": "Portkey",
      "fee": "$49/mo flat (Production tier), tokens billed direct",
      "verified": "2026-07-28"
    },
    {
      "id": "litellm",
      "name": "LiteLLM",
      "fee": "$0, open source, self-hosted",
      "verified": "2026-07-28"
    }
  ]
}