Data points: 55
The readout for GPT-4 and GPT-4.5, before the detailed comparison sheet.
Decision read
GPT-4
GPT-4 currently has the stronger profile, with verified wins split 3 to 0.
Evidence depth
55 data points
Includes 0 benchmark rows, 0 audit samples, and 8 provider examples.
Selection signal
Start with GPT-4
The charts below split 8 high-signal samples across speed, scores, and audit health.
Model compare GPT-4 vs GPT-4.5gpt-4-vs-gpt-4-5 | Model A GPT-4 | Model B GPT-4.5 |
|---|---|---|
| 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-4 | GPT-4.5 |
|---|---|---|
| No shared benchmark metrics are available yet. | ||
Latest completed audits from shared providers, with four safety and integrity score groups plus report links.
| Provider | GPT-4 | GPT-4.5 |
|---|---|---|
| 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 | GPT-4 | GPT-4.5 |
|---|---|---|
0 tests | GPT-4 speed / latency N/A / N/A input / output No data | GPT-4.5 |
This report only uses LMSpeed data for GPT-4 and GPT-4.5: pricing, speed aggregates, third-party benchmark scores, and shared provider samples.
| Guidance | GPT-4 | GPT-4.5 |
|---|---|---|
| When to choose each model | GPT-4 GPT-4 is stronger when you prioritize Cheapest input price, Provider coverage, Recent tests. | GPT-4.5 GPT-4.5 does not clearly lead on the verified metrics here, so check provider-specific pricing before choosing. |
TL;DR: GPT-4 leads across 55 verifiable data points, including pricing, speed, latency, benchmarks, and provider examples.
Continue from GPT-4 vs GPT-4.5 into nearby model comparisons with enough verified LMSpeed data.
| Model metadata | GPT-4 exposes 8.2K tokens; notable signals: Text input, Text output, Tool calling, Structured outputs. | No OpenRouter metadata is available yet for this model. |
|---|---|---|
| Developer | OpenAI | OpenAI |
| Context window | 8.2K tokens | No data |
| Max output | 4.1K tokens | No data |
| Released | May 2023 | No data |
| Modalities | Input Text Output Text | No data |
| Features | Text inputText outputTool callingStructured outputsJSON mode | None listed |
| Parameters | No data | No data |
| Tokenizer | GPT | No data |
| Knowledge cutoff | 2021-09-30 | No data |
| OpenRouter ID | openai/gpt-4 | No data |
| References | No data | No data |
speed / latency
N/A / N/A
input / output
No data
AIGCBAR0 tests | GPT-4 speed / latency N/A / N/A input / output No data | GPT-4.5 speed / latency N/A / N/A input / output No data |
|---|
AIO通用智能服务平台0 tests | GPT-4 speed / latency N/A / N/A input / output No data | GPT-4.5 speed / latency N/A / N/A input / output No data |
|---|
AI发财网0 tests | GPT-4 speed / latency N/A / N/A input / output No data | GPT-4.5 speed / latency N/A / N/A input / output No data |
|---|
CaMeL AI0 tests | GPT-4 speed / latency N/A / N/A input / output No data | GPT-4.5 speed / latency N/A / N/A input / output No data |
|---|
GPT-4 gpt-4-all speed / latency No data input / output $0.014/M / $0.014/M | GPT-4.5 gpt-4.5-preview-2025-02-27 speed / latency No data input / output $10.27/M / $20.55/M |
GPT-4 gpt-4-1106-preview speed / latency No data input / output $0.411/M / $0.822/M | GPT-4.5 gpt-4.5-preview-2025-02-27 speed / latency No data input / output $3.08/M / $6.16/M |
GPT-4 gpt-4-32k-0314 speed / latency No data input / output $1.22/M / $4.90/M | GPT-4.5 gpt-4.5-preview-2025-02-27 speed / latency No data input / output $36.71/M / $73.43/M |
Rankings are based on community-submitted tests and periodic health probes. Advisory only, not official data.
