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.
Strongest Claude Opus model for coding, agents, and professional work
Claude model for creative writing, analysis, and controlled agent workflows
Google's most intelligent Flash model, engineered for long-horizon software engineering, autonomous agents, and complex enterprise workflows
Reasoning-first Gemini preview for agentic coding and complex problem solving
High-efficiency Gemini model for agentic workflows, coding, and multimodal reasoning
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.
Fast Gemini model balancing multimodal reasoning, tool use, and cost
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
Everyday Claude agent model for coding, planning, browsing, and general work
Original GPT-5 workhorse for reasoning, coding, writing, and tool workflows
Inception's diffusion reasoning model for chat, multi-step problem solving, and tool use
Sharper GPT-5 generation for coding, product work, and tool-assisted tasks
Reliable GPT generation for broad coding, writing, and tool-assisted product work
Coding-optimized GPT model for repository edits, reviews, and agentic software work
Small GPT-5 for responsive agents, coding help, and everyday automation
Fast Gemini workhorse for multimodal apps where latency and price matter
Reasoning model for deliberate analysis, multi-step problem solving, and tool use
Coding-optimized GPT model for repository edits, reviews, and agentic software work
| Model | Creator | Score | Inputs | Context | Input | Output | Released | Compare |
|---|---|---|---|---|---|---|---|---|
| Muse Spark 1.3meta/muse-spark-1.3 | 1323.0 | 1.04858M | $1.25 | $4.25 | 2026-09-02 | |||
| Claude Opus 5anthropic/claude-opus-5 | 1309.0 | 1M | $5 | $25 | 2026-07-24 | |||
| Claude Fable 5anthropic/claude-fable-5 | 1303.0 | 1M | $10 | $50 | 2026-06-09 | |||
| Gemini 3.8 Flashgoogle/gemini-3.8-flash | 1294.0 | 1.04858M | $0.75 | $3.75 | 2026-09-02 | |||
| Gemini 3.1 Pro Previewgoogle/gemini-3.1-pro-preview | 1285.0 | 1.04858M | $2 | $12 | 2026-02-19 | |||
| Gemini 3.7 Flashgoogle/gemini-3.7-flash | 1283.0 | 1.04858M | $0.75 | $3.75 | 2026-08-13 | |||
| Muse Spark 1.2meta/muse-spark-1.2 | 1283.0 | 1.04858M | $1.25 | $4.25 | 2026-08-05 | |||
| Gemini 3.5 Flashgoogle/gemini-3.5-flash | 1254.0 | 1.04858M | $1.5 | $9 | 2026-05-19 | |||
| Muse Spark 1.1meta/muse-spark-1.1 | 1234.0 | 1.04858M | $1.25 | $4.25 | 2026-04-08 | |||
| GPT-5.5openai/gpt-5.5 | 1234.0 | 1.05M | $5 | $30 | 2026-04-23 | |||
| GPT-5.4openai/gpt-5.4 | 1195.0 | 1.05M | $2.5 | $15 | 2026-03-05 | |||
| Claude Sonnet 5anthropic/claude-sonnet-5 | 1192.0 | 1M | $2 | $10 | 2026-06-30 | |||
| GPT-5openai/gpt-5 | 1189.0 | 400K | $1.25 | $10 | 2025-08-07 | |||
| Mercury 3inception/mercury-3 | 1183.0 | 1M | $0.1 | $0.35 | 2026-10-16 | |||
| GPT-5.1openai/gpt-5.1 | 1149.0 | 400K | $1.25 | $10 | 2025-11-13 | |||
| GPT-5.2openai/gpt-5.2 | 1139.0 | 400K | $1.75 | $14 | 2025-12-11 | |||
| GPT-5.3 Codexopenai/gpt-5.3-codex | 1129.0 | 400K | $1.75 | $14 | 2026-02-05 | |||
| GPT-5 Miniopenai/gpt-5-mini | 1091.0 | 400K | $0.25 | $2 | 2025-08-07 | |||
| Gemini 2.5 Flashgoogle/gemini-2.5-flash | 1020.0 | 1.04858M | $0.3 | $2.5 | 2025-06-17 | |||
| Mercury 2inception/mercury-2 | 998.0 | 128K | $0.25 | $0.75 | 2026-02-24 | |||
| GPT-5.1 Codex miniopenai/gpt-5.1-codex-mini | 978.0 | 400K | $0.22 | $1.8 | 2025-11-13 |