Muse Spark Open is an 816B total / 42B active open-weight multimodal reasoning model from Meta for coding and long-horizon agentic work, with 1M-token context.
Models
Every model in the catalog with source-linked pricing, context limits, provider availability, and published benchmark results.
Sparse mixture-of-experts reasoning model with 23B active parameters for coding and agentic workflows
StepFun flash lane for quick multimodal reasoning and coding assistance
Newer StepFun flash model for faster agents, coding, and multimodal prompts
StepFun flash model for efficient multimodal reasoning, coding, and tool use
Late GLM-4 workhorse for coding agents, reasoning, and structured tasks
Fast Mistral production model for chat, extraction, and cost-sensitive agents
Mistral's largest general model for enterprise agents, coding, and multilingual reasoning
Mistral's coding-agent model for repository work, terminal tasks, and software fixes
Fast NVIDIA Nemotron MoE for reliable agentic tasks across enterprise workloads
Smaller Qwen coder for efficient local agents and repo-level fixes
| Model | Creator | Score | Inputs | Context | Input | Output | Released | Compare |
|---|---|---|---|---|---|---|---|---|
| Muse Spark Openmeta/muse-spark-open | 58.5 | 1.04858M | $1.25 | $4.25 | 2026-10-15 | |||
| Beam 1.0 501B A23Breflection/beam-1.0-501b-a23b | 49.2 | 1.04858M | $0.24 | $0.98 | 2026-10-05 | |||
| Step 3.5 Flashstepfun/step-3.5-flash | 40.4 | 256K | $0.105 | $0.314 | 2026-01-29 | |||
| Step 3.7 Flashstepfun/step-3.7-flash | 40.0 | 256K | $0.202 | $1.211 | 2026-05-29 | |||
| Step 3.5 Flash 2603stepfun/step-3.5-flash-2603 | 38.5 | 256K | $0.105 | $0.314 | 2026-04-02 | |||
| GLM-4.6zhipuai/glm-4.6 | 38.4 | 204.8K | $0.6 | $2.2 | 2025-09-30 | |||
| Mistral Small 4mistral/mistral-small-2603 | 38.0 | 256K | $0.15 | $0.6 | 2026-03-16 | |||
| Mistral Large 3mistral/mistral-large-2512 | 36.2 | 262.144K | $0.5 | $1.5 | 2025-12-02 | |||
| Devstral 2mistral/devstral-2512 | 33.1 | 262.144K | $0.4 | $2 | 2025-12-09 | |||
| Nemotron 3.5 Lightning 30B A3Bnvidia/nemotron-3.5-lightning | 32.6 | 262.144K | $0.025 | $0.12 | 2026-08-11 | |||
| Qwen3-Coder 30B-A3B Instructalibaba/qwen3-coder-30b-a3b-instruct | 27.8 | 262.144K | $0.45 | $2.25 | 2025-07-31 |