Data points: 110
Model compare
The readout for Gemini 2.5 Pro and GPT-4o, before the detailed comparison sheet.
Weighted outcome: Gemini 2.5 Pro. Benchmark capability categories carry 80%, while price, API performance, and availability carry 20%.
Decision read
Gemini 2.5 Pro
Gemini 2.5 Pro has the higher weighted result; Model A / B score 69.3 to 30.7.
Evidence depth
110 data points
Includes 22 benchmark rows, 0 audit samples, and 7 provider examples.
Selection signal
Start with Gemini 2.5 Pro
The charts below split 29 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 Pro and GPT-4o: pricing, speed aggregates, third-party benchmark scores, and shared provider samples.
| Model compare | Gemini 2.5 Pro | GPT-4o |
|---|---|---|
| Overall leader | Leading | Contender |
| Weighted overall score | 69.3 pts | 30.7 pts |
| Benchmark category leads | 4 categories | 2 categories |
| Operational advantages | Cheapest input price, Average speed, Free providers, Provider coverage | First-token latency |
| 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 Pro | GPT-4o |
|---|---|---|
| Developer | OpenAI | |
| Released | Jun 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-pro | openai/gpt-4o |
| References | No data | No data |
This report only uses LMSpeed data for Gemini 2.5 Pro and GPT-4o: pricing, speed aggregates, third-party benchmark scores, and shared provider samples.
Gemini 2.5 Pro
Gemini 2.5 Pro is stronger in benchmark categories (Agents, Reasoning, Math, Instruction following) and operational dimensions (Cheapest input price, Average speed, Free providers, Provider coverage).
GPT-4o
GPT-4o is stronger in benchmark categories (Coding, Knowledge) and operational dimensions (First-token latency).
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 Pro
46.2
Avg. score
GPT-4o
43.2
Gemini 2.5 Pro leads by 5.0
GPT-4o leads by 7.1
Gemini 2.5 Pro leads by 14.9
GPT-4o leads by 13.4
Gemini 2.5 Pro leads by 14.0
No data
No data
Gemini 2.5 Pro leads by 4.6
Metric-level scores with benchmark source, rank depth, confidence, error, and evaluation date where available.
Gemini 2.5 Pro
43.0
Rank #76/84 · confidence 1 · eval date 2025-03-01
GPT-4o
43.0
Rank #76/84 · confidence 1 · eval date 2024-05-13
Gemini 2.5 Pro
winner$1.25/M
Rank #107/162 · confidence 4
GPT-4o
$2.50/M
Rank #131/162 · confidence 4
Gemini 2.5 Pro
winner$3.44/M
Rank #117/162 · confidence 4
GPT-4o
$4.38/M
Rank #127/162 · confidence 4
Gemini 2.5 Pro
$10.00/M
Rank #120/162 · confidence 4
GPT-4o
$10.00/M
Rank #120/162 · confidence 4
Gemini 2.5 Pro
winner86.2%
Rank #15/125 · confidence 4
GPT-4o
74.8%
Rank #90/125 · confidence 4
Gemini 2.5 Pro
winner84.4%
Rank #49/188 · confidence 4
GPT-4o
54.3%
Rank #156/188 · confidence 4
Gemini 2.5 Pro
winner21.1%
Rank #53/187 · confidence 4
GPT-4o
3.3%
Rank #180/187 · confidence 4
Gemini 2.5 Pro
winner80.1%
Rank #18/115 · confidence 4
GPT-4o
30.9%
Rank #88/115 · confidence 4
Gemini 2.5 Pro
winner42.8%
Rank #44/185 · confidence 4
GPT-4o
33.3%
Rank #120/185 · confidence 4
Gemini 2.5 Pro
winner42.8
Rank #47/96 · confidence 1 · eval date 2025-03-01
GPT-4o
33.3
Rank #80/96 · confidence 1 · eval date 2024-05-13
Gemini 2.5 Pro
winner88.7%
Rank #5/68 · confidence 4
GPT-4o
15.0%
Rank #50/68 · confidence 4
Gemini 2.5 Pro
winner96.7%
Rank #15/74 · confidence 4
GPT-4o
75.9%
Rank #56/74 · confidence 4
Gemini 2.5 Pro
winner14.1
Rank #32/47 · confidence 1 · eval date 2025-03-01
GPT-4o
0.3
Rank #47/47 · confidence 1 · eval date 2024-05-13
Gemini 2.5 Pro
winner35.5
Rank #40/56 · confidence 1 · eval date 2025-03-01
GPT-4o
25.4
Rank #54/56 · confidence 1 · eval date 2024-05-13
Gemini 2.5 Pro
winner87.4
Rank #19/90 · confidence 1 · eval date 2025-03-01
GPT-4o
37.9
Rank #75/90 · confidence 1 · eval date 2024-05-13
Gemini 2.5 Pro
winner39.0
Rank #25/90 · confidence 1 · eval date 2025-03-01
GPT-4o
19.7
Rank #75/90 · confidence 1 · eval date 2024-05-13
Gemini 2.5 Pro
winner84.4
Rank #49/96 · confidence 1 · eval date 2025-03-01
GPT-4o
54.3
Rank #91/96 · confidence 1 · eval date 2024-05-13
Gemini 2.5 Pro
winner21.1
Rank #50/96 · confidence 1 · eval date 2025-03-01
GPT-4o
3.3
Rank #94/96 · confidence 1 · eval date 2024-05-13
Gemini 2.5 Pro
winner25.8
Rank #63/99 · confidence 1 · eval date 2025-03-01
GPT-4o
11.2
Rank #90/99 · confidence 1 · eval date 2024-05-13
Gemini 2.5 Pro
winner1192.0
Rank #45/66 · confidence 1 · eval date 2025-03-01
GPT-4o
856.0
Rank #65/66 · confidence 1 · eval date 2024-05-13
Gemini 2.5 Pro
winner48.7
Rank #59/86 · confidence 1 · eval date 2025-03-01
GPT-4o
34.3
Rank #82/86 · confidence 1 · eval date 2024-05-13
Gemini 2.5 Pro
winner54.1
Rank #65/84 · confidence 1 · eval date 2025-03-01
GPT-4o
25.1
Rank #75/84 · confidence 1 · eval date 2024-05-13
Latest completed audits from shared providers, with four safety and integrity score groups plus report links.
| Provider | Gemini 2.5 Pro | 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 Pro | GPT-4o |
|---|---|---|
40 tests | Gemini 2.5 Pro speed / latency 48 tok/s / 23637ms input / output No data | GPT-4o speed / latency 57 tok/s / 3381ms input / output No data |
20 tests | Gemini 2.5 Pro speed / latency 103 tok/s / 16912ms input / output No data | GPT-4o speed / latency 99 tok/s / 2367ms input / output No data |
20 tests | Gemini 2.5 Pro speed / latency N/A / N/A input / output No data | GPT-4o speed / latency 88 tok/s / 1593ms input / output No data |
5 tests | Gemini 2.5 Pro speed / latency 92 tok/s / 16347ms input / output No data | GPT-4o speed / latency N/A / N/A input / output No data |
5 tests | Gemini 2.5 Pro speed / latency N/A / N/A input / output No data | GPT-4o speed / latency 48 tok/s / 13138ms input / output No data |
Gemini 2.5 Pro gemini-2.5-pro speed / latency No data input / output $0.103/M/$0.822/M | GPT-4o gpt-4o speed / latency No data input / output $0/M | |
Gemini 2.5 Pro gemini-2.5-pro-preview-06-05 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 Pro. 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 |
|---|
