Data points: 78
Model compare
GPT-4 vs GPT-4o
The readout for GPT-4 and GPT-4o, before the detailed comparison sheet.
Key Takeaways
Weighted outcome: GPT-4o. Benchmark capability categories carry 80%, while price, API performance, and availability carry 20%.
Decision read
GPT-4o
GPT-4o has the higher weighted result; Model A / B score 30.7 to 69.3.
Evidence depth
78 data points
Includes 6 benchmark rows, 0 audit samples, and 10 provider examples.
Selection signal
Start with GPT-4o
The charts below split 16 high-signal samples across speed, scores, and audit health.
Change comparison
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.
Comparison sheet
This report only uses LMSpeed data for GPT-4 and GPT-4o: pricing, speed aggregates, third-party benchmark scores, and shared provider samples.
| Model compare | GPT-4 | GPT-4o |
|---|---|---|
| Overall leader | Contender | Leading |
| Weighted overall score | 30.7 pts | 69.3 pts |
| Benchmark category leads | 1 categories | 2 categories |
| Operational advantages | First-token latency | Cheapest input price, Average speed, Free providers, Provider coverage |
| Context window | 8.2K tokens | 128K tokens |
| Max output | 4.1K tokens | 16.4K tokens |
| Modalities | Input Text Output Text | Input TextImageFile Output Text |
| Features | Text inputText outputTool callingStructured outputsJSON mode | Text inputImage inputFile inputText outputTool callingStructured outputsJSON modeWeb search |
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 metadata
Model metadata
| Model compare | GPT-4 | GPT-4o |
|---|---|---|
| Developer | OpenAI | OpenAI |
| Released | May 2023 | Nov 2024 |
| Parameters | No data | No data |
| Tokenizer | GPT | GPT |
| Knowledge cutoff | 2021-09-30 | 2023-10-31 |
| OpenRouter ID | openai/gpt-4 | openai/gpt-4o |
| References | No data | No data |
When to choose each model
This report only uses LMSpeed data for GPT-4 and GPT-4o: pricing, speed aggregates, third-party benchmark scores, and shared provider samples.
GPT-4
GPT-4 is stronger in benchmark categories (Coding) and operational dimensions (First-token latency).
GPT-4o
GPT-4o is stronger in benchmark categories (Reasoning, Math) and operational dimensions (Cheapest input price, Average speed, Free providers, Provider coverage).
Benchmark score comparison
Third-party benchmark profile synced into LMSpeed; only metrics available for both models are shown.
Category performance
Compare benchmark category scores on a 0-100 scale. Select a category to inspect the gap.
- Model A coverage
- 3 / 8
- Model B coverage
- 6 / 8
- Shared
- 3 shared categories
Avg. score
GPT-4
41.2
Avg. score
GPT-4o
42.4
Agents
GPT-4o
Coding
GPT-4 leads by 2.8
Reasoning
GPT-4o leads by 3.1
Knowledge
GPT-4o
Math
GPT-4o leads by 1.5
Multilingual
No data
Multimodal
No data
Instruction following
GPT-4o
Professional benchmark details
Metric-level scores with benchmark source, rank depth, confidence, error, and evaluation date where available.
Professional benchmark details
Metric-level scores with benchmark source, rank depth, confidence, error, and evaluation date where available.
GPT-4
$60.00/M
Rank #179/186 · confidence 4
GPT-4o
winner$10.00/M
Rank #142/186 · confidence 4
GPT-4
$37.50/M
Rank #184/186 · confidence 4
GPT-4o
winner$4.38/M
Rank #149/186 · confidence 4
GPT-4
$30.00/M
Rank #184/186 · confidence 4
GPT-4o
winner$2.50/M
Rank #154/186 · confidence 4
GPT-4
56.2%
Rank #121/129 · confidence 4
GPT-4o
winner74.8%
Rank #90/129 · confidence 4
GPT-4
34.9%
Rank #211/218 · confidence 4
GPT-4o
winner54.3%
Rank #184/218 · confidence 4
GPT-4
56.8%
Rank #66/73 · confidence 4
GPT-4o
winner75.9%
Rank #55/73 · confidence 4
API audit comparison
Latest completed audits from shared providers, with four safety and integrity score groups plus report links.
API audit comparison
Latest completed audits from shared providers, with four safety and integrity score groups plus report links.
| Provider | GPT-4 | GPT-4o |
|---|---|---|
| No completed audits are available from shared providers yet. | ||
Provider examples
Speed aggregates and input/output pricing share each provider row for real API selection and migration cost checks.
Provider examples
Speed aggregates and input/output pricing share each provider row for real API selection and migration cost checks.
| Provider | GPT-4 | GPT-4o |
|---|---|---|
Dream API25 tests | GPT-4 speed / latency 42 tok/s / 819ms input / output No data | GPT-4o speed / latency 105 tok/s / 1970ms input / output No data |
速创API20 tests | GPT-4 speed / latency N/A / N/A input / output No data | GPT-4o speed / latency 88 tok/s / 1593ms input / output No data |
AZ Rix5 tests | GPT-4 speed / latency 28 tok/s / 668ms input / output No data | GPT-4o speed / latency N/A / N/A input / output No data |
KFCV505 tests | GPT-4 speed / latency N/A / N/A input / output No data | GPT-4o speed / latency 48 tok/s / 13138ms input / output No data |
YUNWU API5 tests | GPT-4 speed / latency N/A / N/A input / output No data | GPT-4o speed / latency 58 tok/s / 2583ms input / output No data |
GPT-4 gpt-4 speed / latency No data input / output $0/request | GPT-4o gpt-4o speed / latency No data input / output $0/request | |
GPT-4 gpt-4-all speed / latency No data input / output $0.011/request | GPT-4o gpt-4o-all speed / latency No data input / output $0.0066/request | |
GPT-4 gpt-4-all speed / latency No data input / output $0.011/request | GPT-4o gpt-4o-all speed / latency No data input / output $0.0066/request | |
GPT-4 gpt-4-1106-preview speed / latency No data input / output $1.23/M/$2.47/M | GPT-4o gpt-4o-all-c speed / latency No data input / output $0.0074/request | |
GPT-4 gpt-4-all speed / latency No data input / output $0.016/request | GPT-4o gpt-4o-all speed / latency No data input / output $0.0099/request |
FAQ
Weighted outcome: GPT-4o. Benchmark capability categories carry 80%, while price, API performance, and availability carry 20%.
- Why is this comparison indexable?
- It has 6 verifiable comparison points, and both models have pricing or benchmark data.
- Are missing metrics invented?
- No. Metrics without LMSpeed data are omitted from this report.