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.
Near-Astra performance for complex coding, computer use, and professional work at a lower cost.
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
Fast Gemini model balancing multimodal reasoning, tool use, and cost
Google's most intelligent Flash model, engineered for long-horizon software engineering, autonomous agents, and complex enterprise workflows
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
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
Upstage's flagship model, specialized for agentic use
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
Low-latency Gemini model for high-volume multimodal and agent workloads
Long-lived GPT workhorse for coding, instruction following, and production apps
Reasoning model for deliberate analysis, multi-step problem solving, and tool use
Affordable GPT-4.1 lane for fast coding help and structured extraction
Tiny GPT-4.1 option for classification, routing, and very high-volume tasks
Omni-era GPT for multimodal chat, practical coding, and general assistants
Flagship model for demanding analysis, coding, and production agent workflows
| Model | Creator | Score | Inputs | Context | Input | Output | Released | Compare |
|---|---|---|---|---|---|---|---|---|
| Muse Spark 1.3meta/muse-spark-1.3 | 1355.0 | 1.04858M | $1.25 | $4.25 | 2026-09-02 | |||
| GPT-6.1 Solopenai/gpt-6.1-sol | 1320.0 | 1.05M | $2 | $10 | 2026-09-29 | |||
| Muse Spark 1.2meta/muse-spark-1.2 | 1311.0 | 1.04858M | $1.25 | $4.25 | 2026-08-05 | |||
| Claude Opus 5anthropic/claude-opus-5 | 1308.0 | 1M | $5 | $25 | 2026-07-24 | |||
| Gemini 3.7 Flashgoogle/gemini-3.7-flash | 1302.0 | 1.04858M | $0.75 | $3.75 | 2026-08-13 | |||
| Gemini 3.6 Flashgoogle/gemini-3.6-flash | 1299.0 | 1.04858M | $0.75 | $3.75 | 2026-07-21 | |||
| Gemini 3.8 Flashgoogle/gemini-3.8-flash | 1299.0 | 1.04858M | $0.75 | $3.75 | 2026-09-02 | |||
| Claude Fable 5anthropic/claude-fable-5 | 1294.0 | 1M | $10 | $50 | 2026-06-09 | |||
| Claude Sonnet 5anthropic/claude-sonnet-5 | 1273.0 | 1M | $2 | $10 | 2026-06-30 | |||
| Muse Spark 1.1meta/muse-spark-1.1 | 1269.0 | 1.04858M | $1.25 | $4.25 | 2026-04-08 | |||
| GPT-5.5openai/gpt-5.5 | 1255.0 | 1.05M | $5 | $30 | 2026-04-23 | |||
| Gemini 3.1 Pro Previewgoogle/gemini-3.1-pro-preview | 1251.0 | 1.04858M | $2 | $12 | 2026-02-19 | |||
| GPT-5.4openai/gpt-5.4 | 1218.0 | 1.05M | $2.5 | $15 | 2026-03-05 | |||
| GPT-5.2openai/gpt-5.2 | 1193.0 | 400K | $1.75 | $14 | 2025-12-11 | |||
| GPT-5.1openai/gpt-5.1 | 1185.0 | 400K | $1.25 | $10 | 2025-11-13 | |||
| GPT-5openai/gpt-5 | 1184.0 | 400K | $1.25 | $10 | 2025-08-07 | |||
| Solar Pro 4upstage/solar-pro4 | 1176.0 | 524.288K | $0.3 | $1.2 | 2026-08-06 | |||
| GPT-5.3 Codexopenai/gpt-5.3-codex | 1161.0 | 400K | $1.75 | $14 | 2026-02-05 | |||
| GPT-5 Miniopenai/gpt-5-mini | 1125.0 | 400K | $0.25 | $2 | 2025-08-07 | |||
| GPT-5 Nanoopenai/gpt-5-nano | 1101.0 | 400K | $0.05 | $0.4 | 2025-08-07 | |||
| Gemini 3.1 Flash Lite Previewgoogle/gemini-3.1-flash-lite-preview | 1081.0 | 1.04858M | $0.25 | $1.5 | 2026-03-03 | |||
| GPT-4.1openai/gpt-4.1 | 1037.0 | 1.04758M | $2 | $8 | 2025-04-14 | |||
| Mercury 2inception/mercury-2 | 1035.0 | 128K | $0.25 | $0.75 | 2026-02-24 | |||
| GPT-4.1 miniopenai/gpt-4.1-mini | 997.0 | 1.04758M | $0.4 | $1.6 | 2025-04-14 | |||
| GPT-4.1 nanoopenai/gpt-4.1-nano | 971.0 | 1.04758M | $0.1 | $0.4 | 2025-04-14 | |||
| GPT-4oopenai/gpt-4o | 831.0 | 128K | $2.5 | $10 | 2024-05-13 | |||
| Nova Pro 1.0amazon/nova-pro-v1 | 796.0 | 300K | $0.799 | $3.196 | 2024-12-05 |