Muse Spark 1.3 now available on AI Gateway
Meta's Muse Spark 1.3 lands on Vercel's AI Gateway with agent and coding improvements — same pricing, new capabilities.
Why it matters
A capable open-weight model from Meta is now accessible through a major AI platform with agent-native features and pricing options. Practitioners building with agents or coding workflows gain another option; the contributor tier signals Meta's strategy to train on production workloads.
The key facts
14 to knowMuse Spark 1.3 released on Vercel AI Gateway
1M token context window
Supports text, image, and PDF inputs
Improved agent work and coding performance vs. 1.2
Contributor tier pricing: $0.10/$0.20 per M tokens (input/output) vs. standard $1.25/$4.25
Contributor tier enables Meta to train on inputs/outputs in exchange for lower pricing
Pricing unchanged from Muse Spark 1.2
Compatible with Claude Code, Codex, Cursor, and other coding agents via AI Gateway setup
Muse Spark 1.3 ships on Vercel AI Gateway in standard and contributor tiers
1M token context window; multimodal input (text, image, PDF)
Improved agent work and coding performance vs. 1.2; fewer turns, less filler in code
Contributor tier pricing: $0.10/M input, $0.20/M output tokens (vs. $1.25/$4.25 standard); data used for model improvement
Integration path: Claude Code, Codex, Cursor via ai-gateway setup
Available in model playground for testing
Go to the source
Vercel Blogvercel.com
Publisher excerpt: is now available on AI Gateway, in both the standard and contributor pricing tiers.Muse Spark 1.3 from Meta This model improves on prior Muse Spark models at agent work and coding, with a 1M token context window and text, image, and PDF input. On coding it takes fewer turns and writes less filler…