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GPTvsGemini

GPT 4.1 Nano vs Gemini 3.5 Flash-Lite

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

Pricing

Side-by-side pricing

GPT 4.1 Nano

Fast / Budget

Gemini 3.5 Flash-Lite

Fast / Budget
Input $/MTok
$0.10
$0.30
Output $/MTok
$0.40
$2.50
Cache discount
75% off
90% off
Context
1,047.576K
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
55
Code Review
0
vs
52
Summarization
0
vs
79
Q&A
0
vs
78
Extraction
0
vs
83
Reasoning
0
vs
50
Classification
0
vs
85
Creative Writing
0
vs
45
GPT 4.1 Nano
Gemini 3.5 Flash-Lite

Guidance

When to use GPT 4.1 Nano vs Gemini 3.5 Flash-Lite

Choose GPT 4.1 Nano when...

  • -Cost matters: 67% cheaper on input tokens

Choose Gemini 3.5 Flash-Lite when...

  • -You need a larger context window (1,048.576K vs 1,047.576K)
  • Similar performance; consider provider preference or ecosystem fit.

At scale

Cost at scale

Estimated cost assuming a seventy percent input and thirty percent output token split.
GPT 4.1 Nano
Gemini 3.5 Flash-Lite
100K tokens
$0.02Cheaper
$0.10
1M tokens
$0.19Cheaper
$0.96
10M tokens
$1.90Cheaper
$9.60

FAQ

When should I use GPT 4.1 Nano instead of Gemini 3.5 Flash-Lite?

GPT 4.1 Nano and Gemini 3.5 Flash-Lite perform similarly across all tracked tasks. Pick based on pricing and provider preference.

Is Gemini 3.5 Flash-Lite cheaper than GPT 4.1 Nano?

Gemini 3.5 Flash-Lite input costs $0.30/MTok, which is 200% more than GPT 4.1 Nano at $0.10/MTok.

What are the context window sizes for GPT 4.1 Nano and Gemini 3.5 Flash-Lite?

GPT 4.1 Nano has a 1,047.576K token context window. Gemini 3.5 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 4.1 Nano pricing & benchmarks

$0.10 / $0.40 per MTok

GPT 4.1 Nano cost calculator

All GPT models

GPT 4.1 Nano pricing history

Gemini 3.5 Flash-Lite pricing & benchmarks

$0.30 / $2.50 per MTok

Gemini 3.5 Flash-Lite cost calculator

All Gemini models

Gemini 3.5 Flash-Lite pricing history

Other comparisons

How GPT 4.1 Nano and Gemini 3.5 Flash-Lite stack up against the rest of the field.

GPT 4.1 Nano vs Claude Opus 4.8

GPT 4.1 Nano vs Claude Sonnet 4.6

GPT 4.1 Nano vs Claude Haiku 4.5

Gemini 3.5 Flash-Lite vs Claude Opus 4.8

Gemini 3.5 Flash-Lite vs Claude Sonnet 4.6

Gemini 3.5 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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