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
Claude model for creative writing, analysis, and controlled agent workflows
Everyday Claude agent model for coding, planning, browsing, and general work
Muse Spark is a natively multimodal reasoning model with support for tool-use, visual chain of thought, and multi-agent orchestration.
Default frontier GPT for coding, computer use, research, and knowledge work
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
Small GPT-5 for responsive agents, coding help, and everyday automation
Tiny GPT-5 lane for routing, extraction, classification, and bulk jobs
Long-lived GPT workhorse for coding, instruction following, and production apps
Deliberate o-series reasoner for hard math, coding, and multi-step analysis
Affordable GPT-4.1 lane for fast coding help and structured extraction
Fast o-series model for compact reasoning, coding, and tool use
Tiny GPT-4.1 option for classification, routing, and very high-volume tasks
Omni-era GPT for multimodal chat, practical coding, and general assistants
| 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 | 1322.0 | 1.04858M | $1.25 | $4.25 | 2026-08-05 | |||
| Claude Opus 5anthropic/claude-opus-5 | 1320.0 | 1M | $5 | $25 | 2026-07-24 | |||
| Claude Fable 5anthropic/claude-fable-5 | 1310.0 | 1M | $10 | $50 | 2026-06-09 | |||
| Claude Sonnet 5anthropic/claude-sonnet-5 | 1289.0 | 1M | $2 | $10 | 2026-06-30 | |||
| Muse Spark 1.1meta/muse-spark-1.1 | 1282.0 | 1.04858M | $1.25 | $4.25 | 2026-04-08 | |||
| GPT-5.5openai/gpt-5.5 | 1269.0 | 1.05M | $5 | $30 | 2026-04-23 | |||
| 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 Miniopenai/gpt-5-mini | 1137.0 | 400K | $0.25 | $2 | 2025-08-07 | |||
| GPT-5 Nanoopenai/gpt-5-nano | 1114.0 | 400K | $0.05 | $0.4 | 2025-08-07 | |||
| GPT-4.1openai/gpt-4.1 | 1051.0 | 1.04758M | $2 | $8 | 2025-04-14 | |||
| o3openai/o3 | 1048.0 | 200K | $2 | $8 | 2025-04-16 | |||
| GPT-4.1 miniopenai/gpt-4.1-mini | 1010.0 | 1.04758M | $0.4 | $1.6 | 2025-04-14 | |||
| o4-miniopenai/o4-mini | 998.0 | 200K | $1.1 | $4.4 | 2025-04-16 | |||
| GPT-4.1 nanoopenai/gpt-4.1-nano | 985.0 | 1.04758M | $0.1 | $0.4 | 2025-04-14 | |||
| GPT-4oopenai/gpt-4o | 843.0 | 128K | $2.5 | $10 | 2024-05-13 |