Data points: 56
Model compare
The readout for GPT-5.2 Codex and GPT-5 Codex Mini, before the detailed comparison sheet.
Weighted outcome: GPT-5.2 Codex. Benchmark capability categories carry 80%, while price, API performance, and availability carry 20%.
Decision read
GPT-5.2 Codex
GPT-5.2 Codex has the higher weighted result; Model A / B score 80 to 20.
Evidence depth
56 data points
Includes 0 benchmark rows, 0 audit samples, and 6 provider examples.
Selection signal
Start with GPT-5.2 Codex
The charts below split 6 high-signal samples across speed, scores, and audit health.
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.
This report only uses LMSpeed data for GPT-5.2 Codex and GPT-5 Codex Mini: pricing, speed aggregates, third-party benchmark scores, and shared provider samples.
| Model compare | GPT-5.2 Codex | GPT-5 Codex Mini |
|---|---|---|
| Overall leader | Leading | Contender |
| Weighted overall score | 80.0 pts | 20.0 pts |
| Benchmark category leads | 0 categories | 0 categories |
| Operational advantages | Cheapest input price, Average speed, Free providers, Provider coverage | First-token latency |
| Context window | 400K tokens | No data |
| Max output | 128K tokens | No data |
| Modalities | Input TextImage Output Text | No data |
| Features |
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 compare | GPT-5.2 Codex | GPT-5 Codex Mini |
|---|---|---|
| Developer | OpenAI | OpenAI |
| Released | Jan 2026 | No data |
| Parameters | No data | No data |
| Tokenizer | GPT | No data |
| Knowledge cutoff | No data | No data |
| OpenRouter ID | openai/gpt-5.2-codex | No data |
| References | No data | No data |
This report only uses LMSpeed data for GPT-5.2 Codex and GPT-5 Codex Mini: pricing, speed aggregates, third-party benchmark scores, and shared provider samples.
GPT-5.2 Codex
GPT-5.2 Codex has these operational advantages: Cheapest input price, Average speed, Free providers, Provider coverage.
GPT-5 Codex Mini
GPT-5 Codex Mini has these operational advantages: First-token latency.
Third-party benchmark profile synced into LMSpeed; only metrics available for both models are shown.
Compare benchmark category scores on a 0-100 scale. Select a category to inspect the gap.
Avg. score
GPT-5.2 Codex
57.4
Avg. score
GPT-5 Codex Mini
-
GPT-5.2 Codex
GPT-5.2 Codex
GPT-5.2 Codex
GPT-5.2 Codex
No data
GPT-5.2 Codex
GPT-5.2 Codex
GPT-5.2 Codex
Metric-level scores with benchmark source, rank depth, confidence, error, and evaluation date where available.
No shared professional benchmark scores are available yet.
Latest completed audits from shared providers, with four safety and integrity score groups plus report links.
| Provider | GPT-5.2 Codex | GPT-5 Codex Mini |
|---|---|---|
| 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-5.2 Codex | GPT-5 Codex Mini |
|---|---|---|
5 tests | GPT-5.2 Codex speed / latency 30 tok/s / 4723ms input / output No data | GPT-5 Codex Mini speed / latency N/A / N/A input / output No data |
5 tests | GPT-5.2 Codex speed / latency 57 tok/s / 2370ms input / output No data | GPT-5 Codex Mini speed / latency N/A / N/A input / output No data |
5 tests | GPT-5.2 Codex speed / latency N/A / N/A input / output No data | GPT-5 Codex Mini speed / latency 38 tok/s / 3348ms input / output No data |
5 tests | GPT-5.2 Codex speed / latency 55 tok/s / 5209ms input / output No data | GPT-5 Codex Mini speed / latency N/A / N/A input / output No data |
0 tests | GPT-5.2 Codex speed / latency N/A / N/A input / output No data | GPT-5 Codex Mini speed / latency N/A / N/A input / output No data |
GPT-5.2 Codex gpt-5.2-codex speed / latency No data input / output $0.0068/request | GPT-5 Codex Mini gpt-5-codex-mini speed / latency No data input / output $0.171/M |
Weighted outcome: GPT-5.2 Codex. Benchmark capability categories carry 80%, while price, API performance, and availability carry 20%.
Text inputImage inputText outputTool callingStructured outputsJSON modeReasoning |
| None listed |
