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GPTvsGemini

GPT 4 (0613) vs Gemini 3.1 Flash-Lite

Side-by-side comparison of pricing, task quality, and projected cost at higher scale.

Pricing

Side-by-side pricing

GPT 4 (0613)

Flagship

Gemini 3.1 Flash-Lite

Fast / Budget
Input $/MTok
$30.00
$0.25
Output $/MTok
$60.00
$1.50
Cache discount
0% off
90% off
Context
8.192K
1,048.576K

Quality

Task confidence comparison

Confidence score from zero to one hundred by task type, where higher is better.
Code Generation
0
vs
0
Code Review
0
vs
0
Summarization
0
vs
0
Q&A
0
vs
0
Extraction
0
vs
0
Reasoning
0
vs
0
Classification
0
vs
0
Creative Writing
0
vs
0
GPT 4 (0613)
Gemini 3.1 Flash-Lite

Guidance

When to use GPT 4 (0613) vs Gemini 3.1 Flash-Lite

Choose GPT 4 (0613) when...

  • Similar performance; consider provider preference or ecosystem fit.

Choose Gemini 3.1 Flash-Lite when...

  • -Cost matters: 99% cheaper on input tokens
  • -You need a larger context window (1,048.576K vs 8.192K)

At scale

Cost at scale

Estimated cost assuming a seventy percent input and thirty percent output token split.
GPT 4 (0613)
Gemini 3.1 Flash-Lite
100K tokens
$3.90
$0.06Cheaper
1M tokens
$39.00
$0.63Cheaper
10M tokens
$390.00
$6.25Cheaper

FAQ

When should I use GPT 4 (0613) instead of Gemini 3.1 Flash-Lite?

GPT 4 (0613) and Gemini 3.1 Flash-Lite perform similarly across all tracked tasks. Pick based on pricing and provider preference.

Is Gemini 3.1 Flash-Lite cheaper than GPT 4 (0613)?

Yes. Gemini 3.1 Flash-Lite input costs $0.25/MTok vs $30.00/MTok for GPT 4 (0613), saving 99% on input.

What are the context window sizes for GPT 4 (0613) and Gemini 3.1 Flash-Lite?

GPT 4 (0613) has a 8.192K token context window. Gemini 3.1 Flash-Lite has a 1,048.576K token context window.

Go deeper on either model

Per-call cost calculators, provider lineups, and price history for both models on this page.

GPT 4 (0613) pricing & benchmarks

$30.00 / $60.00 per MTok

GPT 4 (0613) cost calculator

All GPT models

GPT 4 (0613) pricing history

Gemini 3.1 Flash-Lite pricing & benchmarks

$0.25 / $1.50 per MTok

Gemini 3.1 Flash-Lite cost calculator

All Gemini models

Gemini 3.1 Flash-Lite pricing history

Other comparisons

How GPT 4 (0613) and Gemini 3.1 Flash-Lite stack up against the rest of the field.

GPT 4 (0613) vs Claude Opus 4.8

GPT 4 (0613) vs Claude Sonnet 4.6

GPT 4 (0613) vs Claude Haiku 4.5

Gemini 3.1 Flash-Lite vs Claude Opus 4.8

Gemini 3.1 Flash-Lite vs Claude Sonnet 4.6

Gemini 3.1 Flash-Lite vs Claude Haiku 4.5

Track your real costs

Comparisons show estimated costs at list price. The dashboard reveals your real spend and savings.

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