Muse Spark 1.3 is a multimodal reasoning model from Meta for long-running agentic, multi-agent, and coding workflows. It improves long-horizon agent collaboration, instruction following, and coding efficiency relative to Muse Spark 1.2.
Models
Every model in the catalog with source-linked pricing, context limits, provider availability, and published benchmark results.
GPT-6 Astra is OpenAI's most capable model for complex reasoning, coding, computer use, research, and document creation.
Claude model for long-running agentic coding and knowledge work
Muse Spark 1.2 is a coding-focused update to Muse Spark 1.1 with improvements in code generation, complex debugging, codebase understanding, and end-to-end developer workflows.
OpenAI model for complex coding and agentic workflows
Claude model for demanding reasoning and long-horizon agentic work
High-efficiency Gemini model for agentic workflows, coding, and multimodal reasoning
2.4-trillion-parameter MoE flagship for coding, professional work, multimodal understanding, and long-horizon agentic workflows
Preview Qwen flagship for million-token multimodal reasoning and long-horizon agentic workflows
Strongest Claude Opus model for coding, agents, and professional work
Claude model for creative writing, analysis, and controlled agent workflows
| Model | Creator | Score | Inputs | Context | Input | Output | Released | Compare |
|---|---|---|---|---|---|---|---|---|
| Muse Spark 1.3meta/muse-spark-1.3 | 49.6 | 1.04858M | $1.25 | $4.25 | 2026-09-02 | |||
| GPT-6 Astraopenai/gpt-6-astra | 41.4 | 1.05M | $10 | $50 | 2026-09-04 | |||
| Claude Opus 5.5anthropic/claude-opus-5-5 | 40.0 | 1M | $4 | $20 | 2026-09-22 | |||
| Muse Spark 1.2meta/muse-spark-1.2 | 38.2 | 1.04858M | $1.25 | $4.25 | 2026-08-05 | |||
| GPT-6 Solopenai/gpt-6-sol | 33.2 | 1.05M | $2 | $10 | 2026-09-22 | |||
| Claude Fable 5.1anthropic/claude-fable-5-1 | 31.4 | 1M | $10 | $50 | 2026-09-01 | |||
| Gemini 3.7 Flashgoogle/gemini-3.7-flash | 30.4 | 1.04858M | $0.75 | $3.75 | 2026-08-13 | |||
| Qwen3.8 Maxalibaba/qwen3.8-max | 27.3 | 1M | $2 | $6 | 2026-08-03 | |||
| Qwen3.8 Max Previewalibaba/qwen3.8-max-preview | 27.3 | 1M | $0.338 | $1.014 | 2026-07-19 | |||
| Claude Opus 5anthropic/claude-opus-5 | 26.0 | 1M | $5 | $25 | 2026-07-24 | |||
| Claude Fable 5anthropic/claude-fable-5 | 17.4 | 1M | $10 | $50 | 2026-06-09 |