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Try Muse Spark 1.3 onlinenew

meta/muse-spark-1.3

Added to OpenRouter: 2 Sept 2026

Tracking since: · Specs updated:

Use Muse Spark 1.3 in your browser. Explore pricing and capabilities below, or start a chat in OpenCraft.

Input price$1.25per M tokenscheaper than 22% of chat models
Output price$4.25per M tokenscheaper than 28% of chat models
Cache read$0.15per M tokens
Context window1Mtokensof the largest window in the catalog (10M)

Muse Spark 1.3 pricing: what a turn costs

Estimates from the published token rates above — real turns vary with tool calls and transcript length.

  • Quick answer2K tokens in, 600 out$0.0050
  • 10-slide deck build60K tokens in, 9K out$0.113
  • 150-page PDF read200K tokens in, 4K out$0.267

Specs and listed prices from OpenRouter. Actual usage cost depends on the serving provider.

How to use Muse Spark 1.3

  1. Select “Try Muse Spark 1.3 online” to open OpenCraft with this model selected.
  2. Sign in or create an account if prompted.
  3. Type a question or describe a task, then send your message.

To compare answers, start a separate chat with another model and use the same prompt.

Muse Spark 1.3 capabilities

tool-usevisionreasoning

text, image, video, file, audio in → text out

Create with OpenCraft

See example outputs and find a workflow for your next project.

Create an editable presentation with AIHow to generate a report with AIHow to generate a spreadsheet with formulas you can check

Compare Muse Spark 1.3 with other models

Related earlier models and recent alternatives at similar token prices. Compare the specs; prices alone do not measure answer quality.

Muse Spark 1.3 vs Claude Fable 5.1Muse Spark 1.3 vs GPT-6 AstraMuse Spark 1.3 vs Qwen3.8 Max (0902)Muse Spark 1.3 vs GLM 5.3