Compare/Gemini 2.5 Flash-Lite (Non-reasoning) vs GPT-5 nano (minimal)

Gemini 2.5 Flash-Lite (Non-reasoning)vsGPT-5 nano (minimal)

Side-by-side comparison of pricing, 12 benchmarks, and generation speed.

Google

Gemini 2.5 Flash-Lite (Non-reasoning)

Input
$0.1/M
Output
$0.4/M
Speed
323 tok/s
TTFT
0.25s
OpenAI

GPT-5 nano (minimal)

Input
$0.05/M
Output
$0.4/M
Speed
163 tok/s
TTFT
0.78s

Winner by Category

Cheaper
GPT-5 nano (minimal)
Faster (tok/s)
Gemini 2.5 Flash-Lite (Non-reasoning)
Lower Latency
Gemini 2.5 Flash-Lite (Non-reasoning)
Benchmarks (5-7)
GPT-5 nano (minimal)

Pricing Comparison

MetricGemini 2.5 Flash-Lite (Non-reasoning)GPT-5 nano (minimal)
Input ($/M tokens)$0.1$0.05
Output ($/M tokens)$0.4$0.4
Cost for 1M input + 100K output tokens:
Gemini 2.5 Flash-Lite (Non-reasoning)$0.14
GPT-5 nano (minimal)$0.09

Speed Comparison

Output Speed (tokens/s) — higher is better
Gemini 2.5 Flash-Lite (Non-reasoning)
323 tok/s
GPT-5 nano (minimal)
163 tok/s
Time to First Token (seconds) — lower is better
Gemini 2.5 Flash-Lite (Non-reasoning)
0.25s
GPT-5 nano (minimal)
0.78s

Benchmark Comparison

Data from Artificial Analysis API — 12 benchmarks

Intelligence Index
12.713.8
Coding Index
7.414.2
Math Index
35.327.3
GPQA Diamond
47.4%42.8%
MMLU-Pro
72.4%55.6%
LiveCodeBench
40.0%47.0%
AIME 2025
35.3%27.3%
MATH-500
92.6%
Humanity's Last Exam
3.7%4.1%
SciCode
17.7%29.1%
IFBench
31.5%32.5%
TerminalBench
2.3%6.8%
Gemini 2.5 Flash-Lite (Non-reasoning)5 wins
7 winsGPT-5 nano (minimal)

Frequently Asked Questions

Which is cheaper, Gemini 2.5 Flash-Lite (Non-reasoning) or GPT-5 nano (minimal)?

GPT-5 nano (minimal) is cheaper overall. Its blended price (3:1 input/output ratio) is $0.14/M tokens vs $0.17/M for Gemini 2.5 Flash-Lite (Non-reasoning).

Which model performs better on benchmarks?

GPT-5 nano (minimal) wins 7 out of 12 benchmarks compared to 5 for Gemini 2.5 Flash-Lite (Non-reasoning). See the detailed benchmark chart above for per-category results.

Which is faster for real-time applications?

Gemini 2.5 Flash-Lite (Non-reasoning) generates tokens faster at 323 tok/s vs 163 tok/s. Gemini 2.5 Flash-Lite (Non-reasoning) also has lower time-to-first-token (0.25s vs 0.78s).

When should I use Gemini 2.5 Flash-Lite (Non-reasoning) vs GPT-5 nano (minimal)?

Choose based on your priorities: GPT-5 nano (minimal) for lower cost, GPT-5 nano (minimal) for stronger benchmark performance, and Gemini 2.5 Flash-Lite (Non-reasoning) for faster generation. For latency-sensitive apps, check the TTFT comparison above.