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.
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.
Strongest Claude Opus model for coding, agents, and professional work
High-efficiency Gemini model for agentic workflows, coding, and multimodal reasoning
Google's most intelligent Flash model, engineered for long-horizon software engineering, autonomous agents, and complex enterprise workflows
Fast Gemini model balancing multimodal reasoning, tool use, and cost
Claude model for creative writing, analysis, and controlled agent workflows
Everyday Claude agent model for coding, planning, browsing, and general work
Fast Gemini model balancing multimodal reasoning, tool use, and cost
Default frontier GPT for coding, computer use, research, and knowledge work
Reasoning-first Gemini preview for agentic coding and complex problem solving
Agent-ready GPT for coding and computer-use workflows at a lower cost
Reliable GPT generation for broad coding, writing, and tool-assisted product work
Sharper GPT-5 generation for coding, product work, and tool-assisted tasks
Original GPT-5 workhorse for reasoning, coding, writing, and tool workflows
Coding-optimized GPT model for repository edits, reviews, and agentic software work
Codex GPT for repository edits, code review, and practical software agents
Tiny GPT-5 lane for routing, extraction, classification, and bulk jobs
| Model | Creator | Score | Inputs | Context | Input | Output | Released | Compare |
|---|---|---|---|---|---|---|---|---|
| Muse Spark 1.3meta/muse-spark-1.3 | 1359.0 | 1.04858M | $1.25 | $4.25 | 2026-09-02 | |||
| Muse Spark 1.2meta/muse-spark-1.2 | 1321.0 | 1.04858M | $1.25 | $4.25 | 2026-08-05 | |||
| Claude Opus 5anthropic/claude-opus-5 | 1320.0 | 1M | $5 | $25 | 2026-07-24 | |||
| Gemini 3.7 Flashgoogle/gemini-3.7-flash | 1315.0 | 1.04858M | $0.75 | $3.75 | 2026-08-13 | |||
| Gemini 3.8 Flashgoogle/gemini-3.8-flash | 1314.0 | 1.04858M | $0.75 | $3.75 | 2026-09-02 | |||
| Gemini 3.6 Flashgoogle/gemini-3.6-flash | 1312.0 | 1.04858M | $0.75 | $3.75 | 2026-07-21 | |||
| Claude Fable 5anthropic/claude-fable-5 | 1309.0 | 1M | $10 | $50 | 2026-06-09 | |||
| Claude Sonnet 5anthropic/claude-sonnet-5 | 1289.0 | 1M | $2 | $10 | 2026-06-30 | |||
| Gemini 3.5 Flashgoogle/gemini-3.5-flash | 1275.0 | 1.04858M | $1.5 | $9 | 2026-05-19 | |||
| GPT-5.5openai/gpt-5.5 | 1269.0 | 1.05M | $5 | $30 | 2026-04-23 | |||
| Gemini 3.1 Pro Previewgoogle/gemini-3.1-pro-preview | 1265.0 | 1.04858M | $2 | $12 | 2026-02-19 | |||
| GPT-5.4openai/gpt-5.4 | 1232.0 | 1.05M | $2.5 | $15 | 2026-03-05 | |||
| GPT-5.2openai/gpt-5.2 | 1207.0 | 400K | $1.75 | $14 | 2025-12-11 | |||
| GPT-5.1openai/gpt-5.1 | 1199.0 | 400K | $1.25 | $10 | 2025-11-13 | |||
| GPT-5openai/gpt-5 | 1197.0 | 400K | $1.25 | $10 | 2025-08-07 | |||
| GPT-5.3 Codexopenai/gpt-5.3-codex | 1175.0 | 400K | $1.75 | $14 | 2026-02-05 | |||
| GPT-5.1 Codexopenai/gpt-5.1-codex | 1174.0 | 400K | $1.07 | $8.5 | 2025-11-13 | |||
| GPT-5 Nanoopenai/gpt-5-nano | 1114.0 | 400K | $0.05 | $0.4 | 2025-08-07 |