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GPT Mini (120b) vs Kimi K3

At a glance

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

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

MoonshotAI's 2.8T-parameter flagship for complex coding, knowledge work, and long-horizon agent runs.

1.0M ctx$0.30/$11.94 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
Cheaper92%
Capability
CapabilityECI73.2
Reasoning & Knowledge
Graduate Science—Expert-Level—Factual Recall—
Math
Competition Math—
Coding
Code Editing41.8%
Agentic
Terminal Tasks18.7%Novel Reasoning—Task Horizon42min
Reasoning
CodingInsufficient data
Sources:Epoch AI·Provider·OpenRouter· as of 2026-10-02
Capability
Capability—
Reasoning & Knowledge
Graduate Science93.5%Expert-Level43.5%Factual Recall50.6%
Math
Competition Math97.2%
Coding
Code Editing—
Agentic
Terminal Tasks372%88.3%Novel Reasoning60.4%Task Horizon—
Specs
131K
Context
66K
Max output
Aug 2025
Released
1.0M
Context
256K
Max output
Jul 2026
Released
Capabilities
Vision
Audio
Reasoning
Vision
Audio
Reasoning
Pricing
Live pricing, shown before you run
Input51%$0.15/M tokens
Output95%$0.60/M tokens
Cache read64%$0.07/M tokens
Live pricing, shown before you run
Input$0.30/M tokens
Output$11.94/M tokens
Cache read$0.21/M tokens
Chat with GPT Mini (120b)Go to model
Chat with Kimi K3Go to model
Frequently Asked Questions: GPT Mini (120b) vs Kimi K3▼

Which is better, GPT Mini (120b) or Kimi K3?

▼

Both GPT Mini (120b) and Kimi K3 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 Kimi K3?

▼

GPT Mini (120b) has a lower blended cost. GPT Mini (120b): $0.15 input / $0.60 output. Kimi K3: $0.30 input / $11.94 output.

Which has a larger context window, GPT Mini (120b) or Kimi K3?

▼

Kimi K3 has a larger context window: GPT Mini (120b) supports 131K tokens vs Kimi K3 at 1M tokens.

Do both GPT Mini (120b) and Kimi K3 support vision?

▼

Kimi K3 supports vision/image input, but GPT Mini (120b) does not.

What are the key differences between GPT Mini (120b) and Kimi K3?

▼

Key differences: GPT Mini (120b) is significantly cheaper; only Kimi K3 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 Kimi K3 for free on idapt.app to see which performs better for your specific needs.

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