Data points: 78
The readout for GPT-4o and o3 Pro, before the detailed comparison sheet.
Decision read
GPT-4o
GPT-4o currently has the stronger profile, with verified wins split 3 to 0.
Evidence depth
78 data points
Includes 7 benchmark rows, 0 audit samples, and 10 provider examples.
Selection signal
Start with GPT-4o
The charts below split 17 high-signal samples across speed, scores, and audit health.
Model compare GPT-4o vs o3 Progpt-4o-vs-o3-pro | Model A GPT-4o | Model B o3 Pro |
|---|---|---|
| Overall leader | Leading | Contender |
| Verified metric wins | 3 wins | 0 wins |
| Where it leads | Cheapest input price, Provider coverage, Recent tests | No data |
Third-party benchmark profile synced into LMSpeed; only metrics available for both models are shown.
| Metric | GPT-4o | o3 Pro |
|---|---|---|
| Time to first answer token | 0.51 s#8 |
Latest completed audits from shared providers, with four safety and integrity score groups plus report links.
| Provider | GPT-4o | o3 Pro |
|---|---|---|
| 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 | GPT-4o | o3 Pro |
|---|---|---|
20 tests | GPT-4o speed / latency 88 tok/s / 1593ms input / output No data | o3 Pro |
This report only uses LMSpeed data for GPT-4o and o3 Pro: pricing, speed aggregates, third-party benchmark scores, and shared provider samples.
| Guidance | GPT-4o | o3 Pro |
|---|---|---|
| When to choose each model | GPT-4o GPT-4o is stronger when you prioritize Cheapest input price, Provider coverage, Recent tests. | o3 Pro o3 Pro does not clearly lead on the verified metrics here, so check provider-specific pricing before choosing. |
TL;DR: GPT-4o leads across 78 verifiable data points, including pricing, speed, latency, benchmarks, and provider examples.
Continue from GPT-4o vs o3 Pro into nearby model comparisons with enough verified LMSpeed data.
| Model metadata | GPT-4o exposes 128K tokens; notable signals: Text input, Image input, File input, Text output. | o3 Pro exposes 200K tokens; notable signals: Text input, Image input, File input, Text output. |
|---|---|---|
| Developer | OpenAI | OpenAI |
| Context window | 128K tokens | 200K tokens |
| Max output | 16.4K tokens | 100K tokens |
| Released | Nov 2024 | Jun 2025 |
| Modalities | Input TextImageFile Output Text | Input TextFileImage Output Text |
| Features | Text inputImage inputFile inputText outputTool callingStructured outputsJSON modeWeb search | Text inputImage inputFile inputText outputTool callingStructured outputsJSON mode |
| Parameters | No data | No data |
| Tokenizer | GPT | GPT |
| Knowledge cutoff | 2023-10-31 | 2024-06-30 |
| OpenRouter ID | openai/gpt-4o-2024-11-20 | openai/o3-pro |
| References | No data | No data |
| Time to first token | 0.51 s#11 | 83.81 s#107 |
|---|
| GPQA | 54.3%#114 | 84.5%#35 |
|---|
| Input price | $2.50/M#37 | $20.00/M#45 |
|---|
| Output speed | 125.9 tok/s#39 | 20.3 tok/s#112 |
|---|
| Output price | $10.00/M#41 | $80.00/M#53 |
|---|
| Blended price | $4.38/M#60 | $35.00/M#74 |
|---|
speed / latency
N/A / N/A
input / output
No data
KFCV505 tests | GPT-4o speed / latency 48 tok/s / 13138ms input / output No data | o3 Pro speed / latency N/A / N/A input / output No data |
|---|
YUNWU API5 tests | GPT-4o speed / latency 58 tok/s / 2583ms input / output No data | o3 Pro speed / latency N/A / N/A input / output No data |
|---|
ZEN-AI VIP3 tests | GPT-4o speed / latency 40 tok/s / 2993ms input / output No data | o3 Pro speed / latency N/A / N/A input / output No data |
|---|
42公益站0 tests | GPT-4o speed / latency N/A / N/A input / output No data | o3 Pro speed / latency N/A / N/A input / output No data |
|---|
GPT-4o gpt-4o-all-c speed / latency No data input / output $0.0082/M / $0.0082/M | o3 Pro o3-pro-2025-06-10 speed / latency No data input / output $2.47/M / $9.86/M |
GPT-4o gpt-4o-all speed / latency No data input / output $0.0082/M / $0.0082/M | o3 Pro o3-pro-2025-06-10 speed / latency No data input / output $2.74/M / $10.96/M |
GPT-4o gpt-4o-all speed / latency No data input / output $0.0082/M / $0.0082/M | o3 Pro o3-pro-2025-06-10 speed / latency No data input / output $2.74/M / $10.96/M |
GPT-4o gpt-4o-2024-05-13 speed / latency No data input / output $0.012/M / $0.012/M | o3 Pro o3-pro-2025-06-10 speed / latency No data input / output $4.11/M / $16.44/M |
GPT-4o gpt-4o-2024-05-13 speed / latency No data input / output $0.016/M / $0.016/M | o3 Pro o3-pro-2025-06-10 speed / latency No data input / output $5.48/M / $21.92/M |
Rankings are based on community-submitted tests and periodic health probes. Advisory only, not official data.
