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Gemini 2.0 Flash-Lite vs GPT-5 nano

GPT-5 nano leads the LLM Stats Score 19.5 to 12.4. Gemini 2.0 Flash-Lite is 1.1x cheaper per token.

Google · OpenAI · Updated for 2026

Which is better?

GPT-5 nano leads the overall LLM Stats Score 19.5 to 12.4, ranking #203 overall.

In the 1 individual benchmarks reported for both models, GPT-5 nano wins 1; this is a narrower head-to-head signal than the composite indexes.

On price, Gemini 2.0 Flash-Lite is roughly 1.1x cheaper per token on a blended 3:1 input/output basis, which adds up quickly at production volume.

Gemini 2.0 Flash-Lite also accepts a larger context window (1,048,576 input tokens), making it the stronger choice for long documents and large codebases.

Based on current LLM Stats indexes, shared benchmarks, pricing, and model metadata for 2026.

Choose Gemini 2.0 Flash-Lite

  • cost matters — it's about 1.1x cheaper per token
  • you process long inputs — it offers a 1,048,576 token context window

Choose GPT-5 nano

  • overall performance matters — it scores 19.5 and ranks #203 on LLM Stats
  • your work emphasizes reasoning — it leads those capability indexes
  • you value its reported benchmark strengths — it wins 1 of 1 exact shared results
  • you want the most recent training data — it shipped Aug 2025

At a glance

The differences that matter most.

Core performance indexes
12.4
#250
19.5
#203
12.5
#243
18.9
#203
Cost, coverage & limits
Benchmark wins
0 of 1
1 of 1
Input price
$0.07 / M
$0.05 / M
Output price
$0.30 / M
$0.40 / M
Context window
1,048,576
400,000

Capability indexes

Additional strengths measured across groups of related public benchmarks

1 shared
Index
Gemini 2.0 Flash-Lite
GPT-5 nano
18.2#184
19.2#169
Conservative TrueSkill rating · higher is betterHow scores work

Individual benchmarks

13 reported for Gemini 2.0 Flash-Lite · 5 for GPT-5 nano

1 shared

Gemini 2.0 Flash-Lite outperforms in 0 benchmarks, while GPT-5 nano is better at 1 benchmark (GPQA).

GPT-5 nano significantly outperforms across most benchmarks.

Sun Sep 13 2026 • llm-stats.com

Human preference

Blind head-to-head votes and playground preference scores

Pricing Analysis

Price comparison per million tokens

Gemini 2.0 Flash-Lite costs less

For input processing, Gemini 2.0 Flash-Lite ($0.07/1M tokens) is 1.4x more expensive than GPT-5 nano ($0.05/1M tokens).

For output processing, Gemini 2.0 Flash-Lite ($0.30/1M tokens) is 1.3x cheaper than GPT-5 nano ($0.40/1M tokens).

In conclusion, GPT-5 nano is more expensive than Gemini 2.0 Flash-Lite.*

* Using a 3:1 ratio of input to output tokens

Lowest available price from all providers
Sun Sep 13 2026 • llm-stats.com
Google
Gemini 2.0 Flash-Lite
Input tokens$0.07
Output tokens$0.30
Best providerGoogle
OpenAI
GPT-5 nano
Input tokens$0.05
Output tokens$0.40
Best providerOpenAI
Notice missing or incorrect data?Start an Issue

Context Window

Maximum input and output token capacity

Gemini 2.0 Flash-Lite accepts 1,048,576 input tokens compared to GPT-5 nano's 400,000 tokens. GPT-5 nano can generate longer responses up to 128,000 tokens, while Gemini 2.0 Flash-Lite is limited to 8,192 tokens.

Google
Gemini 2.0 Flash-Lite
Input1,048,576 tokens
Output8,192 tokens
OpenAI
GPT-5 nano
Input400,000 tokens
Output128,000 tokens
Sun Sep 13 2026 • llm-stats.com

Input capabilities

Documented input modalities across available providers

Both Gemini 2.0 Flash-Lite and GPT-5 nano support multimodal inputs.

They are both capable of processing various types of data, offering versatility in application.

Gemini 2.0 Flash-Lite

Text
Images
Audio
Video

GPT-5 nano

Text
Images
Audio
Video

License

Usage and distribution terms

Both models are licensed under proprietary licenses.

Both models have usage restrictions defined by their respective organizations.

Gemini 2.0 Flash-Lite

Proprietary

Closed source

GPT-5 nano

Proprietary

Closed source

Release Timeline

When each model was launched

Gemini 2.0 Flash-Lite was released on 2025-02-05, while GPT-5 nano was released on 2025-08-07.

GPT-5 nano is 6 months newer than Gemini 2.0 Flash-Lite.

Gemini 2.0 Flash-Lite

Feb 5, 2025

1.6 years ago

GPT-5 nano

Aug 7, 2025

1.1 years ago

6mo newer

Knowledge Cutoff

When training data ends

Gemini 2.0 Flash-Lite has a knowledge cutoff of 2024-06-01, while GPT-5 nano has a cutoff of 2024-05-30.

Gemini 2.0 Flash-Lite has more recent training data (up to 2024-06-01), making it potentially better informed about events through that date compared to GPT-5 nano (2024-05-30).

Gemini 2.0 Flash-Lite

Jun 2024

1 mo newer
GPT-5 nano

May 2024

Provider Availability

Gemini 2.0 Flash-Lite is available from Google. GPT-5 nano is available from OpenAI.

Gemini 2.0 Flash-Lite

google logo
Google
Input Price:Input: $0.07/1MOutput Price:Output: $0.30/1M

GPT-5 nano

openai logo
OpenAI
Input Price:Input: $0.05/1MOutput Price:Output: $0.40/1M
* Prices shown are per million tokens

Outputs Comparison

Notice missing or incorrect data?Start an Issue discussion

Judge for yourself.

Run your own prompts against Gemini 2.0 Flash-Lite and GPT-5 nano side-by-side, then vote on the output you prefer.

Gemini 2.0 Flash-Lite
✓ Preferred
GPT-5 nano
Open in Playground

FAQ

Common questions about Gemini 2.0 Flash-Lite vs GPT-5 nano.

Which is better, Gemini 2.0 Flash-Lite or GPT-5 nano?

GPT-5 nano leads the LLM Stats Score 19.5 to 12.4. Gemini 2.0 Flash-Lite is made by Google and GPT-5 nano is made by OpenAI. The best choice depends on your use case — compare their capability indexes, individual benchmarks, pricing, and limits above.

How does Gemini 2.0 Flash-Lite compare to GPT-5 nano in benchmarks?

Gemini 2.0 Flash-Lite scores MATH: 86.8%, FACTS Grounding: 83.6%, Global-MMLU-Lite: 78.2%, MMLU-Pro: 71.6%, MMMU: 68.0%. GPT-5 nano scores AIME 2025: 85.2%, HMMT 2025: 75.6%, GPQA: 71.2%, FrontierMath: 9.6%, Humanity's Last Exam: 8.7%.

Is Gemini 2.0 Flash-Lite cheaper than GPT-5 nano?

GPT-5 nano is 1.4x cheaper for input tokens. Gemini 2.0 Flash-Lite costs $0.07/M input and $0.30/M output via google. GPT-5 nano costs $0.05/M input and $0.40/M output via openai.

What are the context window sizes for Gemini 2.0 Flash-Lite and GPT-5 nano?

Gemini 2.0 Flash-Lite supports 1.0M tokens and GPT-5 nano supports 400K tokens. A larger context window lets you process longer documents, conversations, or codebases in a single request.

What are the main differences between Gemini 2.0 Flash-Lite and GPT-5 nano?

Key differences include LLM Stats Score (12.4 vs 19.5), context window (1.0M vs 400K), input pricing ($0.07 vs $0.05/M). See the full comparison above for benchmark-by-benchmark results.

Who makes Gemini 2.0 Flash-Lite and GPT-5 nano?

Gemini 2.0 Flash-Lite is developed by Google and GPT-5 nano is developed by OpenAI.