Data points: 82
The readout for Gemini 2.5 Pro and GPT-5, before the detailed comparison sheet.
Decision read
Gemini 2.5 Pro
Gemini 2.5 Pro currently has the stronger profile, with verified wins split 3 to 1.
Evidence depth
82 data points
Includes 8 benchmark rows, 0 audit samples, and 9 provider examples.
Selection signal
Start with Gemini 2.5 Pro
The charts below split 17 high-signal samples across speed, scores, and audit health.
Model compare Gemini 2.5 Pro vs GPT-5gemini-2-5-pro-vs-gpt-5 | Model A Gemini 2.5 Pro | Model B GPT-5 |
|---|---|---|
| Overall leader | Leading | Contender |
| Verified metric wins | 3 wins | 1 wins |
| Where it leads | Average speed, Provider coverage, Recent tests | First-token latency |
Third-party benchmark profile synced into LMSpeed; only metrics available for both models are shown.
| Metric | Gemini 2.5 Pro | GPT-5 |
|---|---|---|
| AIME | 88.7%#6 |
Latest completed audits from shared providers, with four safety and integrity score groups plus report links.
| Provider | Gemini 2.5 Pro | GPT-5 |
|---|---|---|
| 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-5 |
|---|---|---|
35 tests | Gemini 2.5 Pro speed / latency 48 tok/s / 23637ms input / output No data |
This report only uses LMSpeed data for Gemini 2.5 Pro and GPT-5: pricing, speed aggregates, third-party benchmark scores, and shared provider samples.
| Guidance | Gemini 2.5 Pro | GPT-5 |
|---|---|---|
| When to choose each model | Gemini 2.5 Pro Gemini 2.5 Pro is stronger when you prioritize Average speed, Provider coverage, Recent tests. | GPT-5 GPT-5 is stronger when you prioritize First-token latency. |
TL;DR: Gemini 2.5 Pro leads across 82 verifiable data points, including pricing, speed, latency, benchmarks, and provider examples.
Continue from Gemini 2.5 Pro vs GPT-5 into nearby model comparisons with enough verified LMSpeed data.
| Model metadata | Gemini 2.5 Pro exposes 1.0M tokens; notable signals: Text input, Image input, File input, Audio input. | GPT-5 exposes 128K tokens; notable signals: Text input, Image input, File input, Text output. |
|---|---|---|
| Developer | OpenAI | |
| Context window | 1.0M tokens | 128K tokens |
| Max output | 65.5K tokens | 16.4K tokens |
| Released | Jun 2025 | Aug 2025 |
| Modalities | Input TextImageFileAudiovideo Output Text | Input FileImageText Output Text |
| Features | Text inputImage inputFile inputAudio inputText outputTool callingStructured outputsJSON modeReasoning | Text inputImage inputFile inputText outputStructured outputsJSON mode |
| Parameters | No data | No data |
| Tokenizer | Gemini | GPT |
| Knowledge cutoff | 2025-01-31 | 2024-09-30 |
| OpenRouter ID | google/gemini-2.5-pro | openai/gpt-5-chat |
| References | No data | No data |
| MATH-500 | 96.7%#16 | 99.4%#1 |
|---|
| MMLU-Pro | 86.2%#12 | 87.1%#7 |
|---|
| LiveCodeBench | 80.1%#18 | 84.6%#11 |
|---|
| HLE | 21.1%#37 | 26.5%#24 |
|---|
| Input price | $1.25/M#30 | $1.25/M#30 |
|---|
| GPQA | 84.4%#36 | 85.4%#31 |
|---|
| SciCode | 42.8%#32 | 42.9%#31 |
|---|
GPT-5
speed / latency
45 tok/s / 3704ms
input / output
No data
V-API20 tests | Gemini 2.5 Pro speed / latency N/A / N/A input / output No data | GPT-5 speed / latency 95 tok/s / 1234ms input / output No data |
|---|
N1N10 tests | Gemini 2.5 Pro speed / latency 106 tok/s / 16405ms input / output No data | GPT-5 speed / latency 102 tok/s / 948ms input / output No data |
|---|
DeepRouter5 tests | Gemini 2.5 Pro speed / latency 92 tok/s / 16347ms input / output No data | GPT-5 speed / latency N/A / N/A input / output No data |
|---|
EasyMore5 tests | Gemini 2.5 Pro speed / latency N/A / N/A input / output No data | GPT-5 speed / latency 46 tok/s / 6577ms input / output No data |
|---|
Gemini 2.5 Pro gemini-2.5-pro speed / latency No data input / output $0.0006/M / $0.0050/M | GPT-5 gpt-5-chat speed / latency No data input / output $0.037/M / $0.300/M |
Gemini 2.5 Pro gemini-2.5-pro speed / latency No data input / output $0.0006/M / $0.0050/M | GPT-5 gpt-5-chat speed / latency No data input / output $0.037/M / $0.300/M |
Gemini 2.5 Pro gemini-2.5-pro-maxthinking-c speed / latency No data input / output $0.011/M / $0.011/M | GPT-5 gpt-5-chat-latest speed / latency No data input / output $0.274/M / $2.19/M |
Gemini 2.5 Pro gemini-2.5-pro speed / latency No data input / output $0.014/M / $0.904/M | GPT-5 gpt-5 speed / latency No data input / output $0.036/M / $0.285/M |
Rankings are based on community-submitted tests and periodic health probes. Advisory only, not official data.
