GPT-5 Mini vs Gemini 3 Flash for Python

GPT-5 Mini vs Gemini 3 Flash for python: which is better in 2026?

A head-to-head look at GPT-5 Mini and Gemini 3 Flash for python. Benchmarks via artificialanalysis.ai, pricing as of May 2026. Compare AI models like these inside Admix.

Quick verdict

For python in May 2026, GPT-5 Mini edges out Gemini 3 Flash on the codingIndex metric. Excellent quality-to-price ratio.

Side-by-side specs

SpecGPT-5 MiniFlash
Intelligence index64.563.2
Coding index61.060.5
Context window200K tokens1M tokens
Speed (tok/s)220260
Input $/M$0.25$0.15
Output $/M$1.00$0.60
ReleasedSep 10, 2025Feb 12, 2026

How they handle python

GPT-5 Mini: Excellent quality-to-price ratio. The main caveat is behind flagships on hard reasoning.

Gemini 3 Flash: Fastest mainstream model. The main caveat is weaker on nuanced reasoning.

Cost per 1,000 queries

Assuming 1,500 input and 800 output tokens per query:

  • GPT-5 Mini: $1.18 per 1,000 queries
  • Gemini 3 Flash: $0.70 per 1,000 queries

Verdict by sub-task

  • Best raw quality on python:
  • Best price: Gemini 3 Flash
  • Longest context: Gemini 3 Flash
  • Fastest: Gemini 3 Flash

FAQ

Is GPT-5 Mini better than Gemini 3 Flash for python?

On May 2026 benchmarks (artificialanalysis.ai), GPT-5 Mini ranks higher than Gemini 3 Flash for python on the codingIndex metric. The gap is small enough that the choice often comes down to price, context length, and tone.

Which is cheaper, GPT-5 Mini or Gemini 3 Flash?

GPT-5 Mini costs $0.25 input and $1.00 output per million tokens. Gemini 3 Flash costs $0.15 input and $0.60 output per million tokens.

Can I use both GPT-5 Mini and Flash in one app?

Yes. Admix is a multi model AI chat aggregator that lets you run GPT-5 Mini and Gemini 3 Flash side by side under one subscription.

Sources

Benchmarks from artificialanalysis.ai (May 2026).

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