{
  "schema_version": "1.1",
  "id": "s4:https://vercel.com/changelog/muse-spark-1-3-now-available-on-ai-gateway",
  "slug": "muse-spark-1-3-now-available-on-ai-gateway-0b1bnu3",
  "url": "https://feed7.dev/p/muse-spark-1-3-now-available-on-ai-gateway-0b1bnu3",
  "title": "Muse Spark 1.3 now available on AI Gateway",
  "why_included": "Muse Spark 1.3 gives coding agents a 1M-token, multimodal model through Vercel, with a cheaper contributor tier that permits Meta to train on submitted inputs and outputs.",
  "summary": "Meta’s **Muse Spark 1.3** is available through Vercel AI Gateway with a **1M-token context window** and text, image, and PDF input. Vercel says it uses fewer coding turns and produces less filler than its predecessor.",
  "practical_implication": "Builders can select meta/muse-spark-1.3 in Claude Code, Codex, Cursor, and other connected agents. The contributor tier uses the same model and drops per-million-token rates to **$0.10 input and $0.20 output**, versus $1.25 and $4.25 on the standard tier.",
  "agent_context": "Meta’s **Muse Spark 1.3** is available through Vercel AI Gateway with a **1M-token context window** and text, image, and PDF input. Vercel says it uses fewer coding turns and produces less filler than its predecessor.\n\nBuilders can select meta/muse-spark-1.3 in Claude Code, Codex, Cursor, and other connected agents. The contributor tier uses the same model and drops per-million-token rates to **$0.10 input and $0.20 output**, versus $1.25 and $4.25 on the standard tier.\n\nThe discount carries a data tradeoff: Meta may use contributor-tier inputs and outputs for model training. The material provides no benchmark results for the claimed coding improvements, and both tiers retain Muse Spark 1.2 pricing.",
  "source": {
    "name": "Vercel",
    "url": "https://vercel.com/changelog/muse-spark-1-3-now-available-on-ai-gateway",
    "published_at": "2026-09-02T00:00:00.000Z"
  },
  "source_class": "blog_post",
  "content_type": "Engineering Post",
  "layer": "model",
  "domains": [
    "coding"
  ],
  "topics": [
    "coding-agents",
    "model-selection"
  ],
  "verification": {
    "status": "official_source",
    "label": "Official Source",
    "method": "source_feed",
    "verified_at": null
  },
  "uncertainty": [
    "The discount carries a data tradeoff: Meta may use contributor-tier inputs and outputs for model training. The material provides no benchmark results for the claimed coding improvements, and both tiers retain Muse Spark 1.2 pricing."
  ],
  "connected_context": {
    "meaning": "Muse Spark 1.3 replaces a purely capability-oriented 1.2 signal with a concrete selection tradeoff: standard pricing is unchanged, while a much cheaper contributor tier permits training on inputs and outputs. Its claimed reduction in turns and filler remains unverified, so the new version is best treated as a workload test whose cost advantage must be weighed against data policy.",
    "corpus_size": 669,
    "generated_at": "2026-09-03T09:59:47.232Z",
    "connections": [
      {
        "title": "Muse Spark 1.2 is now available on Vercel AI Gateway",
        "source_name": "Vercel",
        "source_url": "https://vercel.com/changelog/muse-spark-1-2-is-now-available-on-vercel-ai-gateway",
        "feed7_url": "https://feed7.dev/p/muse-spark-1-2-is-now-available-on-vercel-ai-gateway-1h4d9nb",
        "reason": "Muse Spark 1.3 is the direct successor and claims more efficient coding behavior, but retains 1.2’s standard-tier pricing and the same lack of supporting benchmark evidence."
      },
      {
        "title": "GLM 5.3 now available on AI Gateway",
        "source_name": "Vercel",
        "source_url": "https://vercel.com/changelog/glm-5-3-now-available-on-ai-gateway",
        "feed7_url": "https://feed7.dev/p/glm-5-3-now-available-on-ai-gateway-0s7o9zv",
        "reason": "Both claim fewer tokens or turns for long-horizon coding without comparative results, reinforcing the need to measure efficiency and quality on matched repository workloads."
      },
      {
        "title": "Qwen 3.8 Flash now available on AI Gateway",
        "source_name": "Vercel",
        "source_url": "https://vercel.com/changelog/qwen-3-8-flash-now-available-on-ai-gateway",
        "feed7_url": "https://feed7.dev/p/qwen-3-8-flash-now-available-on-ai-gateway-1skoa7y",
        "reason": "Qwen 3.8 Flash is a comparable 1M-context multimodal gateway route, making it useful for testing whether Muse’s contributor-tier savings justify its data-use tradeoff."
      }
    ]
  },
  "lifecycle": "Current",
  "published_at": "2026-09-02T00:00:00.000Z",
  "modified_at": "2026-09-02T00:00:00.000Z",
  "supersedes": [],
  "expires_at": null,
  "formats": {
    "html": "https://feed7.dev/p/muse-spark-1-3-now-available-on-ai-gateway-0b1bnu3",
    "json": "https://feed7.dev/p/muse-spark-1-3-now-available-on-ai-gateway-0b1bnu3.json",
    "markdown": "https://feed7.dev/p/muse-spark-1-3-now-available-on-ai-gateway-0b1bnu3.md"
  }
}