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GPT Mini (120b) vs GPT 6 Luna

At a glance

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

73131K ctx$0.04/$0.17 per M#49/92

OpenAI's fastest, most affordable GPT-6 tier for high-volume, latency-sensitive work.

1.1M ctx$0.10/$0.50 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
Cheaper65%
Capability
CapabilityECI73.2
Reasoning & Knowledge
Graduate Science—Factual Recall—
Math
Competition Math—
Coding
Code Editing41.8%
Agentic
Terminal Tasks18.7%Novel Reasoning—Task Horizon42min
Reasoning
CodingInsufficient data
AgenticInsufficient data
Sources:Epoch AI·OpenRouter· as of 2026-10-02
Capability
Capability—
Reasoning & Knowledge
Graduate Science90.5%Factual Recall41.4%
Math
Competition Math98.9%
Coding
Code Editing—
Agentic
Terminal Tasks—Novel Reasoning59.3%Task Horizon—
Specs
131K
Context
118K
Max output
Aug 2025
Released
1.1M
Context
128K
Max output
Sep 2026
Released
Capabilities
Vision
Audio
Reasoning
Vision
Audio
Reasoning
Pricing
Live pricing, shown before you run
Input63%$0.04/M tokens
Output66%$0.17/M tokens
Live pricing, shown before you run
Input$0.10/M tokens
Output$0.50/M tokens
Cache read$0.01/M tokens
Cache write$0.13/M tokens
Web search$0.01/search
Chat with GPT Mini (120b)Go to model
Chat with GPT 6 LunaGo to model
Frequently Asked Questions: GPT Mini (120b) vs GPT 6 Luna▼

Which is better, GPT Mini (120b) or GPT 6 Luna?

▼

Both GPT Mini (120b) and GPT 6 Luna 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 GPT 6 Luna?

▼

GPT Mini (120b) has a lower blended cost. GPT Mini (120b): $0.04 input / $0.17 output. GPT 6 Luna: $0.10 input / $0.50 output.

Which has a larger context window, GPT Mini (120b) or GPT 6 Luna?

▼

GPT 6 Luna has a larger context window: GPT Mini (120b) supports 131K tokens vs GPT 6 Luna at 1.1M tokens.

Do both GPT Mini (120b) and GPT 6 Luna support vision?

▼

GPT 6 Luna supports vision/image input, but GPT Mini (120b) does not.

What are the key differences between GPT Mini (120b) and GPT 6 Luna?

▼

Key differences: GPT Mini (120b) is significantly cheaper; only GPT 6 Luna 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 GPT 6 Luna for free on idapt.app to see which performs better for your specific needs.

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