Data points: 87
The readout for GPT-4o and GPT-5, before the detailed comparison sheet.
Decision read
GPT-5
GPT-5 currently has the stronger profile, with verified wins split 2 to 4.
Evidence depth
87 data points
Includes 8 benchmark rows, 1 audit samples, and 10 provider examples.
Selection signal
Start with GPT-5
The charts below split 19 high-signal samples across speed, scores, and audit health.
Model compare GPT-4o vs GPT-5gpt-4o-vs-gpt-5 | Model A GPT-4o | Model B GPT-5 |
|---|---|---|
| Overall leader | Contender | Leading |
| Verified metric wins | 2 wins | 4 wins |
| Where it leads | First-token latency, Recent tests | Cheapest input price, Average speed, Free providers, Provider coverage |
Third-party benchmark profile synced into LMSpeed; only metrics available for both models are shown.
| Metric | GPT-4o | GPT-5 |
|---|---|---|
| AIME | 15.0%#41 | 95.7% |
Latest completed audits from shared providers, with four safety and integrity score groups plus report links.
| Provider | GPT-4o | GPT-5 |
|---|---|---|
Winner: GPT-4o | GPT-4o gpt-4o Audit score 76 7272 |
Speed aggregates and input/output pricing share each provider row for real API selection and migration cost checks.
| Provider | GPT-4o | GPT-5 |
|---|---|---|
82 tests | GPT-4o speed / latency 82 tok/s / 3100ms input / output No data | GPT-5 |
This report only uses LMSpeed data for GPT-4o and GPT-5: pricing, speed aggregates, third-party benchmark scores, and shared provider samples.
| Guidance | GPT-4o | GPT-5 |
|---|---|---|
| When to choose each model | GPT-4o GPT-4o is stronger when you prioritize First-token latency, Recent tests. | GPT-5 GPT-5 is stronger when you prioritize Cheapest input price, Average speed, Free providers, Provider coverage. |
TL;DR: GPT-5 leads across 87 verifiable data points, including pricing, speed, latency, benchmarks, and provider examples.
Continue from GPT-4o vs GPT-5 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. | GPT-5 exposes 128K tokens; notable signals: Text input, Image input, File input, Text output. |
|---|---|---|
| Developer | OpenAI | OpenAI |
| Context window | 128K tokens | 128K tokens |
| Max output | 16.4K tokens | 16.4K tokens |
| Released | Nov 2024 | Aug 2025 |
| Modalities | Input TextImageFile Output Text | Input FileImageText Output Text |
| Features | Text inputImage inputFile inputText outputTool callingStructured outputsJSON modeWeb search | Text inputImage inputFile inputText outputStructured outputsJSON mode |
| Parameters | No data | No data |
| Tokenizer | GPT | GPT |
| Knowledge cutoff | 2023-10-31 | 2024-09-30 |
| OpenRouter ID | openai/gpt-4o-2024-11-20 | openai/gpt-5-chat |
| References | No data | No data |
| MATH-500 | 75.9%#47 | 99.4%#1 |
|---|
| MMLU-Pro | 74.8%#58 | 87.1%#7 |
|---|
| Time to first answer token | 0.51 s#8 | 62.85 s#98 |
|---|
| LiveCodeBench | 30.9%#78 | 84.6%#11 |
|---|
| Time to first token | 0.51 s#11 | 62.85 s#104 |
|---|
| HLE | 3.3%#101 | 26.5%#24 |
|---|
| Input price | $2.50/M#37 | $1.25/M#30 |
|---|
GPT-5 gpt-5 No audit yet |
speed / latency
N/A / N/A
input / output
No data
V-API20 tests | GPT-4o speed / latency N/A / N/A input / output No data | GPT-5 speed / latency 95 tok/s / 1234ms input / output No data |
|---|
速创API20 tests | GPT-4o speed / latency 88 tok/s / 1593ms input / output No data | GPT-5 speed / latency N/A / N/A input / output No data |
|---|
CatClaw API15 tests | GPT-4o speed / latency 57 tok/s / 3381ms input / output No data | GPT-5 speed / latency 45 tok/s / 3704ms input / output No data |
|---|
Netease Mom API10 tests | GPT-4o speed / latency 103 tok/s / 3580ms input / output No data | GPT-5 speed / latency 104 tok/s / 3804ms input / output No data |
|---|
GPT-4o gpt-4o speed / latency No data input / output $0.0013/M / $0.0050/M | GPT-5 gpt-5-chat speed / latency No data input / output $0.037/M / $0.300/M |
GPT-4o gpt-4o speed / latency No data input / output $0.0013/M / $0.0050/M | GPT-5 gpt-5-chat speed / latency No data input / output $0.037/M / $0.300/M |
GPT-4o gpt-4o-all-c speed / latency No data input / output $0.0082/M / $0.0082/M | GPT-5 gpt-5-chat-latest speed / latency No data input / output $0.154/M / $1.23/M |
GPT-4o gpt-4o-all speed / latency No data input / output $0.0082/M / $0.0082/M | GPT-5 gpt-5-search-api-2025-10-14 speed / latency No data input / output $0.171/M / $1.37/M |
GPT-4o gpt-4o-all speed / latency No data input / output $0.0082/M / $0.0082/M | GPT-5 gpt-5-search-api-2025-10-14 speed / latency No data input / output $0.171/M / $1.37/M |
Rankings are based on community-submitted tests and periodic health probes. Advisory only, not official data.
