Developers

Public JSON.

No key. 255 priced models in this snapshot, 99 of them on the value index. Responses include a citation object. Do not strip the licence when you republish ModelPriceWatch, LMArena or Epoch figures. Rate limiting is left to the host. A badge for a company site is on the embed page.

/api/v1/prices

List prices, blended price, last move, source and licence.

/api/v1/scores

Arena, GPQA, LiveBench, SWE-bench, ECI and the value index where matched.

/api/v1/models

Slim model records, including the 7-day spark.

/api/v1/models/{slug}

One model, including price history.

/api/v1/index

Price index and held-quality value path.

/api/v1/status

Statuspage samples.

/badge/{slug}

SVG badge for a model page. Pair it with a link back. See the embed page.

One record, the shape you get

Trimmed from /api/v1/models. The live route returns the full list inside data, plus citation and generatedAt.

{
  "citation": "Every response includes the snapshot source list. Keep it when you republish.",
  "generatedAt": "2026-10-23T02:38:47+00:00",
  "data": {
    "slug": "deepseek-deepseek-v4-flash",
    "name": "DeepSeek V4 Flash",
    "providerName": "DeepSeek",
    "valueIndex": 88.50935203166546,
    "blendedPerM": 0.4875,
    "change7": 0,
    "license": "MIT"
  }
}