{
  "site": "Agentic Weekly",
  "dataset": "Agentic Weekly model facts",
  "as_of": "2026-10-26",
  "license": {
    "name": "CC BY 4.0",
    "url": "https://creativecommons.org/licenses/by/4.0/"
  },
  "attribution": "Data: Agentic Weekly (https://theagenticweekly.com), CC BY 4.0",
  "page": "https://theagenticweekly.com/models",
  "evidence_labels": {
    "Reported": "Read from the cited vendor page on the as-of date; not run by us.",
    "Tested": "We ran it ourselves; scope is stated in tested_note. No model is Tested yet."
  },
  "model": {
    "slug": "kimi-k3-1-pro-highspeed",
    "name": "Kimi K3.1 Pro Highspeed",
    "vendor": "Moonshot AI",
    "family": "Kimi",
    "category": "llm",
    "status": "generally-available",
    "groups": [
      "agents",
      "coding"
    ],
    "short_answer": "Kimi K3.1 Pro Highspeed is a Moonshot AI language model released Oct 23, 2026; Moonshot AI's newest language model in our dataset is Kimi K3.1 Pro. The faster serving tier of Kimi K3.1 Pro: Moonshot says it delivers 2 to 3 times the output speed for interactive coding and agents, at twice the per-token price, launched alongside K3.1 Pro on Oct 23, 2026. Verified against vendor sources on Oct 26, 2026.",
    "summary": "The faster serving tier of Kimi K3.1 Pro: Moonshot says it delivers 2 to 3 times the output speed for interactive coding and agents, at twice the per-token price, launched alongside K3.1 Pro on Oct 23, 2026.",
    "release_date": "2026-10-23",
    "latest_update": null,
    "api_id": "kimi-k3.1-pro-highspeed",
    "context_tokens": 1048576,
    "max_output_tokens": null,
    "input_modalities": null,
    "output_modalities": null,
    "parameters": null,
    "license": null,
    "open_weights": null,
    "pricing": {
      "currency": "USD",
      "unit": "per 1M tokens",
      "input": 4,
      "output": 20,
      "cachedInput": 0.2,
      "text": "$4 in / $20 out per 1M tokens"
    },
    "evidence": "Reported",
    "tested_note": null,
    "last_verified": "2026-10-26",
    "is_stale": false,
    "facts": {
      "release_date": {
        "value": "2026-10-23",
        "source_url": "https://vercel.com/changelog/kimi-k3-1-pro-and-kimi-k3-1-pro-highspeed-are-available-now-in-ai-gateway",
        "as_of": "2026-10-26",
        "evidence": "Reported",
        "note": "Vercel's AI Gateway changelog, dated Oct 23, 2026, lists both models as available that day. Moonshot's launch blog names Highspeed as released with K3.1 Pro but carries no date."
      },
      "api_id": {
        "value": "kimi-k3.1-pro-highspeed",
        "source_url": "https://www.kimi.ai/blog/kimi-k3-1-pro",
        "as_of": "2026-10-26",
        "evidence": "Reported"
      },
      "context_tokens": {
        "value": 1048576,
        "source_url": "https://www.kimi.ai/resources/kimi-k3-1-pro-pricing",
        "as_of": "2026-10-26",
        "evidence": "Reported",
        "note": "Both K3.1 Pro models support a 1,048,576-token context window per Moonshot's pricing page."
      },
      "pricing": {
        "value": {
          "currency": "USD",
          "unit": "per 1M tokens",
          "input": 4,
          "output": 20,
          "cachedInput": 0.2
        },
        "source_url": "https://www.kimi.ai/resources/kimi-k3-1-pro-pricing",
        "as_of": "2026-10-26",
        "evidence": "Reported",
        "note": "Twice the standard K3.1 Pro input and output rate; the cached-input rate is the same. Rates checked by Moonshot on Oct 24, 2026."
      }
    },
    "vendor_claims": [],
    "notes": [
      "Standard Kimi K3.1 Pro: see /models/kimi-k3-1-pro. The weights Moonshot promised by Nov 4, 2026 are for K3.1 Pro; we have not verified a license for Highspeed."
    ],
    "not_verified": [
      "Moonshot has not published separate benchmark results for Highspeed; it describes it as the same model as K3.1 Pro served 2 to 3 times faster.",
      "Input and output modalities were not confirmed on Moonshot's own pages."
    ],
    "sources": [
      {
        "label": "Kimi K3.1 Pro blog",
        "url": "https://www.kimi.ai/blog/kimi-k3-1-pro"
      },
      {
        "label": "Kimi K3.1 Pro pricing page",
        "url": "https://www.kimi.ai/resources/kimi-k3-1-pro-pricing"
      },
      {
        "label": "Vercel AI Gateway changelog",
        "url": "https://vercel.com/changelog/kimi-k3-1-pro-and-kimi-k3-1-pro-highspeed-are-available-now-in-ai-gateway"
      }
    ],
    "url": "https://theagenticweekly.com/models/kimi-k3-1-pro-highspeed",
    "markdown": "https://theagenticweekly.com/models/kimi-k3-1-pro-highspeed.md",
    "api": "https://theagenticweekly.com/api/models/kimi-k3-1-pro-highspeed"
  }
}