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GPT Mini (120b) vs Muse Spark Open

At a glance

OpenAI's budget-friendly reasoning model — fast and surprisingly capable.

73131K ctx$0.15/$0.60 per M#49/92

Meta's strongest open-weight model, trained specifically for agentic coding workflows.

1.0M ctx$1.25/$4.25 per M
Demos
All demos

No shared demos for these models yet.

AI Output
All AI outputs

No captured outputs for these models yet.

Benchmarks
See rankings
Reasoning
CodingInsufficient data
ReasoningInsufficient data
MathInsufficient data
Sources:Epoch ECI·Epoch AI·OpenRouter· as of 2026-10-02
Cheaper87%
Capability
CapabilityECI73.2
Coding
Code Editing41.8%
Agentic
Terminal Tasks18.7%Task Horizon42min
Reasoning
CodingInsufficient data
AgenticInsufficient data
ReasoningInsufficient data
MathInsufficient data
Sources:OpenRouter
Capability
Capability—
Coding
Code Editing—
Agentic
Terminal Tasks—Task Horizon—
Specs
131K
Context
66K
Max output
Aug 2025
Released
1.0M
Context
256K
Max output
Oct 2026
Released
Capabilities
Vision
Audio
Reasoning
Vision
Audio
Reasoning
Pricing
Live pricing, shown before you run
Input88%$0.15/M tokens
Output86%$0.60/M tokens
Cache read50%$0.07/M tokens
Live pricing, shown before you run
Input$1.25/M tokens
Output$4.25/M tokens
Cache read$0.15/M tokens
Chat with GPT Mini (120b)Go to model
Chat with Muse Spark OpenGo to model
Frequently Asked Questions: GPT Mini (120b) vs Muse Spark Open▼

Which is better, GPT Mini (120b) or Muse Spark Open?

▼

Both GPT Mini (120b) and Muse Spark Open are capable AI models. The best choice depends on your specific use case: consider pricing, context window, speed, and which capabilities (vision, reasoning, audio) you need.

Which is cheaper, GPT Mini (120b) or Muse Spark Open?

▼

GPT Mini (120b) has a lower blended cost. GPT Mini (120b): $0.15 input / $0.60 output. Muse Spark Open: $1.25 input / $4.25 output.

Which has a larger context window, GPT Mini (120b) or Muse Spark Open?

▼

Muse Spark Open has a larger context window: GPT Mini (120b) supports 131K tokens vs Muse Spark Open at 1M tokens.

Do both GPT Mini (120b) and Muse Spark Open support vision?

▼

Muse Spark Open supports vision/image input, but GPT Mini (120b) does not.

What are the key differences between GPT Mini (120b) and Muse Spark Open?

▼

Key differences: GPT Mini (120b) is significantly cheaper; only Muse Spark Open supports vision input. Compare full specs on this page.

Which model should I choose for my use case?

▼

If cost is your priority, choose the cheaper option. If you need the highest intelligence for complex tasks, pick the higher-scoring model. For long documents or codebases, choose the larger context window. You can try both GPT Mini (120b) and Muse Spark Open for free on idapt.app to see which performs better for your specific needs.

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