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Gemini 3.1 Flash-Lite vs GPT-5.4 Mini

Complete pricing and performance comparison between Google's Gemini 3.1 Flash-Lite and OpenAI's GPT-5.4 Mini.

Quick Verdict

Cheaper
Gemini 3.1 Flash-Lite
3.0x cheaper input, 3.0x cheaper output
Larger Context
Gemini 3.1 Flash-Lite
1.0M vs 400K

Pricing Comparison

SpecGemini 3.1 Flash-LiteGPT-5.4 MiniDifference
ProviderGoogleOpenAI
Input / 1M tokens$0.25$0.75Gemini 3.1 Flash-Lite is 67% more expensive
Output / 1M tokens$1.5$4.5Gemini 3.1 Flash-Lite is 67% more expensive
Context Window1.0M400K3x difference
Max Output66K128K
Tokenizercl100k_baseo200k_base

Performance Benchmarks

MetricGemini 3.1 Flash-LiteGPT-5.4 MiniWinner
Quality Index34--N/A
Output Speed230 tok/s--N/A
Value (Quality/$)134.0--Higher = better value

Benchmark data from Artificial Analysis. Quality Index is a composite score across reasoning, coding, and knowledge tasks.

Cost at Scale

Estimated cost at different usage levels (3:1 input-to-output token ratio, typical for chat).

UsageGemini 3.1 Flash-LiteGPT-5.4 MiniSavings
Single request
1K in / 300 out
$0.0007$0.0021Gemini 3.1 Flash-Lite saves $0.0014
10 requests
10K in / 3K out
$0.0070$0.021Gemini 3.1 Flash-Lite saves $0.014
100 requests
100K in / 30K out
$0.070$0.210Gemini 3.1 Flash-Lite saves $0.140
1,000 requests
1M in / 300K out
$0.700$2.10Gemini 3.1 Flash-Lite saves $1.40
10,000 requests
10M in / 3M out
$7.00$21.00Gemini 3.1 Flash-Lite saves $14.00
1M requests/mo
1B in / 300M out
$700.00$2100.00Gemini 3.1 Flash-Lite saves $1400.00

Pros & Cons

Gemini 3.1 Flash-Lite Strengths

  • +Cheaper input tokens
  • +Cheaper output tokens
  • +Larger context window (1.0M vs 400K)

GPT-5.4 Mini Strengths

  • +Higher max output tokens

When to Use Each Model

Choose Gemini 3.1 Flash-Lite for

  • →Budget-conscious projects where cost is the primary factor
  • →Long documents, large codebases, or multi-turn conversations

Choose GPT-5.4 Mini for

  • →Generating long-form content or detailed code

Frequently Asked Questions

Which is cheaper, Gemini 3.1 Flash-Lite or GPT-5.4 Mini?
For input tokens, Gemini 3.1 Flash-Lite is 3.0x cheaper at $0.25/1M tokens. For output tokens, Gemini 3.1 Flash-Lite is 3.0x cheaper at $1.5/1M tokens. At typical usage (1M input + 300K output), Gemini 3.1 Flash-Lite costs $0.700 vs GPT-5.4 Mini at $2.10.
What's the context window difference?
Gemini 3.1 Flash-Lite supports 1.0M context (1,048,576 tokens), while GPT-5.4 Mini supports 400K (400,000 tokens). Gemini 3.1 Flash-Lite can handle 3x more context in a single request.
Which model has better benchmarks?
When should I choose Gemini 3.1 Flash-Lite over GPT-5.4 Mini?
Choose Gemini 3.1 Flash-Lite when you need: Cheaper input tokens, Cheaper output tokens, Larger context window (1.0M vs 400K). Choose GPT-5.4 Mini when you need: Higher max output tokens.
How much would 10,000 API requests cost?
At 1K input + 300 output tokens per request (typical chat): Gemini 3.1 Flash-Lite = $7.00, GPT-5.4 Mini = $21.00. At 10K input + 1K output per request (longer conversations): Gemini 3.1 Flash-Lite = $40.00, GPT-5.4 Mini = $120.00.

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Gemini 3.1 Flash-Lite DetailsGPT-5.4 Mini DetailsFull Pricing TableCost Calculator