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.
Multimodal Kimi model with 1M context and toggleable max-effort thinking for long-horizon agent work
Strongest Claude Opus model for coding, agents, and professional work
Google's most intelligent Flash model, engineered for long-horizon software engineering, autonomous agents, and complex enterprise workflows
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.
Claude model for creative writing, analysis, and controlled agent workflows
Fast Gemini model balancing multimodal reasoning, tool use, and cost
High-efficiency Gemini model for agentic workflows, coding, and multimodal reasoning
Everyday Claude agent model for coding, planning, browsing, and general work
Reasoning-first Gemini preview for agentic coding and complex problem solving
Fast Gemini model balancing multimodal reasoning, tool use, and cost
Coding-focused Kimi model, stronger on long-horizon repo work with less overthinking
Multimodal Kimi workhorse for agent loops, coding tasks, and visual context
Default frontier GPT for coding, computer use, research, and knowledge work
Agent-ready GPT for coding and computer-use workflows at a lower cost
Codex GPT for repository edits, code review, and practical software agents
Earlier Kimi frontier model for long-context agents, coding, and multimodal work
Reliable GPT generation for broad coding, writing, and tool-assisted product work
Original GPT-5 workhorse for reasoning, coding, writing, and tool workflows
Sharper GPT-5 generation for coding, product work, and tool-assisted tasks
Coding-optimized GPT model for repository edits, reviews, and agentic software work
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 | 1398.0 | 1.04858M | $1.25 | $4.25 | 2026-09-02 | |||
| Kimi K3moonshotai/kimi-k3 | 1368.0 | 1.04858M | $3 | $15 | 2026-07-16 | |||
| Claude Opus 5anthropic/claude-opus-5 | 1360.0 | 1M | $5 | $25 | 2026-07-24 | |||
| Gemini 3.8 Flashgoogle/gemini-3.8-flash | 1340.0 | 1.04858M | $0.75 | $3.75 | 2026-09-02 | |||
| Muse Spark 1.2meta/muse-spark-1.2 | 1333.0 | 1.04858M | $1.25 | $4.25 | 2026-08-05 | |||
| Claude Fable 5anthropic/claude-fable-5 | 1331.0 | 1M | $10 | $50 | 2026-06-09 | |||
| Gemini 3.6 Flashgoogle/gemini-3.6-flash | 1318.0 | 1.04858M | $0.75 | $3.75 | 2026-07-21 | |||
| Gemini 3.7 Flashgoogle/gemini-3.7-flash | 1309.0 | 1.04858M | $0.75 | $3.75 | 2026-08-13 | |||
| Claude Sonnet 5anthropic/claude-sonnet-5 | 1297.0 | 1M | $2 | $10 | 2026-06-30 | |||
| Gemini 3.1 Pro Previewgoogle/gemini-3.1-pro-preview | 1295.0 | 1.04858M | $2 | $12 | 2026-02-19 | |||
| Gemini 3.5 Flashgoogle/gemini-3.5-flash | 1287.0 | 1.04858M | $1.5 | $9 | 2026-05-19 | |||
| Kimi K2.7 Codemoonshotai/kimi-k2.7-code | 1281.0 | 262.144K | $0.95 | $4 | 2026-06-12 | |||
| Kimi K2.6moonshotai/kimi-k2.6 | 1281.0 | 262.144K | $0.95 | $4 | 2026-04-21 | |||
| GPT-5.5openai/gpt-5.5 | 1271.0 | 1.05M | $5 | $30 | 2026-04-23 | |||
| GPT-5.4openai/gpt-5.4 | 1254.0 | 1.05M | $2.5 | $15 | 2026-03-05 | |||
| GPT-5.1 Codexopenai/gpt-5.1-codex | 1252.0 | 400K | $1.07 | $8.5 | 2025-11-13 | |||
| Kimi K2.5moonshotai/kimi-k2.5 | 1251.0 | 262.144K | $0.3 | $1.9 | 2026-01 | |||
| GPT-5.2openai/gpt-5.2 | 1205.0 | 400K | $1.75 | $14 | 2025-12-11 | |||
| GPT-5openai/gpt-5 | 1194.0 | 400K | $1.25 | $10 | 2025-08-07 | |||
| GPT-5.1openai/gpt-5.1 | 1181.0 | 400K | $1.25 | $10 | 2025-11-13 | |||
| GPT-5.3 Codexopenai/gpt-5.3-codex | 1152.0 | 400K | $1.75 | $14 | 2026-02-05 | |||
| GPT-5 Nanoopenai/gpt-5-nano | 1081.0 | 400K | $0.05 | $0.4 | 2025-08-07 |