Data points: 86
Model compare
The readout for Gemini 2.5 Flash Lite and GPT-4o, before the detailed comparison sheet.
Weighted outcome: Gemini 2.5 Flash Lite. Benchmark capability categories carry 80%, while price, API performance, and availability carry 20%.
Decision read
Gemini 2.5 Flash Lite
Gemini 2.5 Flash Lite has the higher weighted result; Model A / B score 65.3 to 34.7.
Evidence depth
86 data points
Includes 10 benchmark rows, 0 audit samples, and 6 provider examples.
Selection signal
Start with Gemini 2.5 Flash Lite
The charts below split 16 high-signal samples across speed, scores, and audit health.
Switch either side of this report to compare another model with the same LMSpeed data pipeline.
Select a different model to open a new comparison URL.
This report only uses LMSpeed data for Gemini 2.5 Flash Lite and GPT-4o: pricing, speed aggregates, third-party benchmark scores, and shared provider samples.
| Model compare | Gemini 2.5 Flash Lite | GPT-4o |
|---|---|---|
| Overall leader | Leading | Contender |
| Weighted overall score | 65.3 pts | 34.7 pts |
| Benchmark category leads | 2 categories | 1 categories |
| Operational advantages | Cheapest input price, Average speed, First-token latency | Free providers, Provider coverage |
| Context window | 1.0M tokens | 128K tokens |
| Max output | 65.5K tokens | 16.4K tokens |
| Modalities | Input TextImageFileAudiovideo |
The overall result weights benchmark capability categories at 80% and price, API speed/latency, and availability at 20%. Recent test volume does not affect the winner, and missing benchmark categories are excluded.
| Model compare | Gemini 2.5 Flash Lite | GPT-4o |
|---|---|---|
| Developer | OpenAI | |
| Released | Sep 2025 | Nov 2024 |
| Parameters | No data | No data |
| Tokenizer | Gemini | GPT |
| Knowledge cutoff | 2025-01-31 | 2023-10-31 |
| OpenRouter ID | google/gemini-2.5-flash-lite | openai/gpt-4o |
| References | No data | No data |
This report only uses LMSpeed data for Gemini 2.5 Flash Lite and GPT-4o: pricing, speed aggregates, third-party benchmark scores, and shared provider samples.
Gemini 2.5 Flash Lite
Gemini 2.5 Flash Lite is stronger in benchmark categories (Reasoning, Math) and operational dimensions (Cheapest input price, Average speed, First-token latency).
GPT-4o
GPT-4o is stronger in benchmark categories (Coding) and operational dimensions (Free providers, Provider coverage).
Third-party benchmark profile synced into LMSpeed; only metrics available for both models are shown.
Compare benchmark category scores on a 0-100 scale. Select a category to inspect the gap.
Avg. score
Gemini 2.5 Flash Lite
44.2
Avg. score
GPT-4o
43.2
GPT-4o
GPT-4o leads by 10.2
Gemini 2.5 Flash Lite leads by 2.6
GPT-4o
Gemini 2.5 Flash Lite leads by 11.2
No data
No data
GPT-4o
Metric-level scores with benchmark source, rank depth, confidence, error, and evaluation date where available.
Gemini 2.5 Flash Lite
winner$0.100/M
Rank #8/162 · confidence 4
GPT-4o
$2.50/M
Rank #131/162 · confidence 4
Gemini 2.5 Flash Lite
winner$0.175/M
Rank #12/162 · confidence 4
GPT-4o
$4.38/M
Rank #127/162 · confidence 4
Gemini 2.5 Flash Lite
winner$0.400/M
Rank #13/162 · confidence 4
GPT-4o
$10.00/M
Rank #120/162 · confidence 4
Gemini 2.5 Flash Lite
winner75.9%
Rank #82/125 · confidence 4
GPT-4o
74.8%
Rank #90/125 · confidence 4
Gemini 2.5 Flash Lite
winner6.4%
Rank #120/187 · confidence 4
GPT-4o
3.3%
Rank #180/187 · confidence 4
Gemini 2.5 Flash Lite
winner62.5%
Rank #133/188 · confidence 4
GPT-4o
54.3%
Rank #156/188 · confidence 4
Gemini 2.5 Flash Lite
winner59.3%
Rank #44/115 · confidence 4
GPT-4o
30.9%
Rank #88/115 · confidence 4
Gemini 2.5 Flash Lite
19.3%
Rank #174/185 · confidence 4
GPT-4o
winner33.3%
Rank #120/185 · confidence 4
Gemini 2.5 Flash Lite
winner96.9%
Rank #14/74 · confidence 4
GPT-4o
75.9%
Rank #56/74 · confidence 4
Gemini 2.5 Flash Lite
winner70.3%
Rank #20/68 · confidence 4
GPT-4o
15.0%
Rank #50/68 · confidence 4
Latest completed audits from shared providers, with four safety and integrity score groups plus report links.
| Provider | Gemini 2.5 Flash Lite | GPT-4o |
|---|---|---|
| No completed audits are available from shared providers yet. | ||
Speed aggregates and input/output pricing share each provider row for real API selection and migration cost checks.
| Provider | Gemini 2.5 Flash Lite | GPT-4o |
|---|---|---|
82 tests | Gemini 2.5 Flash Lite speed / latency N/A / N/A input / output No data | GPT-4o speed / latency 82 tok/s / 3100ms input / output No data |
30 tests | Gemini 2.5 Flash Lite speed / latency 235 tok/s / 2518ms input / output No data | GPT-4o speed / latency N/A / N/A input / output No data |
20 tests | Gemini 2.5 Flash Lite speed / latency N/A / N/A input / output No data | GPT-4o speed / latency 88 tok/s / 1593ms input / output No data |
15 tests | Gemini 2.5 Flash Lite speed / latency 262 tok/s / 904ms input / output No data | GPT-4o speed / latency N/A / N/A input / output No data |
15 tests | Gemini 2.5 Flash Lite speed / latency 318 tok/s / 986ms input / output No data | GPT-4o speed / latency 58 tok/s / 2583ms input / output No data |
Gemini 2.5 Flash Lite gemini-2.5-flash-lite-preview-09-2025 speed / latency No data input / output $0/request | GPT-4o gpt-4o speed / latency No data input / output $0/request |
Weighted outcome: Gemini 2.5 Flash Lite. Benchmark capability categories carry 80%, while price, API performance, and availability carry 20%.
Output
Input TextImageFile Output Text |
| Features | Text inputImage inputFile inputAudio inputText outputTool callingStructured outputsJSON modeReasoning | Text inputImage inputFile inputText outputTool callingStructured outputsJSON modeWeb search |
|---|
