Data points: 53
The readout for GPT-5.3 Codex and MiniMax M2.1 Lightning, before the detailed comparison sheet.
Decision read
GPT-5.3 Codex
GPT-5.3 Codex currently has the stronger profile, with verified wins split 4 to 0.
Evidence depth
53 data points
Includes 0 benchmark rows, 0 audit samples, and 6 provider examples.
Selection signal
Start with GPT-5.3 Codex
The charts below split 6 high-signal samples across speed, scores, and audit health.
Model compare GPT-5.3 Codex vs MiniMax M2.1 Lightninggpt-5-3-codex-vs-minimax-m2-1-lightning | Model A GPT-5.3 Codex | Model B MiniMax M2.1 Lightning |
|---|---|---|
| Overall leader | Leading | Contender |
| Verified metric wins | 4 wins | 0 wins |
| Where it leads | Cheapest input price, Free providers, Provider coverage, Recent tests |
Third-party benchmark profile synced into LMSpeed; only metrics available for both models are shown.
| Metric | GPT-5.3 Codex | MiniMax M2.1 Lightning |
|---|---|---|
| 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-5.3 Codex | MiniMax M2.1 Lightning |
|---|---|---|
| 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-5.3 Codex | MiniMax M2.1 Lightning |
|---|---|---|
0 tests | GPT-5.3 Codex gpt-5.3-codex speed / latency N/A / N/A input / output $2.00/M / $16.00/M |
This report only uses LMSpeed data for GPT-5.3 Codex and MiniMax M2.1 Lightning: pricing, speed aggregates, third-party benchmark scores, and shared provider samples.
| Guidance | GPT-5.3 Codex | MiniMax M2.1 Lightning |
|---|---|---|
| When to choose each model | GPT-5.3 Codex GPT-5.3 Codex is stronger when you prioritize Cheapest input price, Free providers, Provider coverage, Recent tests. | MiniMax M2.1 Lightning MiniMax M2.1 Lightning does not clearly lead on the verified metrics here, so check provider-specific pricing before choosing. |
TL;DR: GPT-5.3 Codex leads across 53 verifiable data points, including pricing, speed, latency, benchmarks, and provider examples.
Continue from GPT-5.3 Codex vs MiniMax M2.1 Lightning into nearby model comparisons with enough verified LMSpeed data.
| No data |
| Model metadata | GPT-5.3 Codex exposes 400K tokens; notable signals: Text input, Image input, File input, Text output. | No OpenRouter metadata is available yet for this model. |
|---|---|---|
| Developer | OpenAI | No data |
| Context window | 400K tokens | No data |
| Max output | 128K tokens | No data |
| Released | Feb 2026 | No data |
| Modalities | Input TextImageFile Output Text | No data |
| Features | Text inputImage inputFile inputText outputTool callingStructured outputsJSON modeReasoning | None listed |
| Parameters | No data | No data |
| Tokenizer | GPT | No data |
| Knowledge cutoff | No data | No data |
| OpenRouter ID | openai/gpt-5.3-codex | No data |
| References | No data | No data |
MiniMax M2.1 Lightning
MiniMax-M2.1-lightning
speed / latency
N/A / N/A
input / output
$150.00/M / $150.00/M
DMXAPI0 tests | GPT-5.3 Codex speed / latency N/A / N/A input / output No data | MiniMax M2.1 Lightning speed / latency N/A / N/A input / output No data |
|---|
EasyMore0 tests | GPT-5.3 Codex gpt-5.3-codex speed / latency N/A / N/A input / output $1.75/M / $14.00/M | MiniMax M2.1 Lightning MiniMax-M2.1-lightning speed / latency N/A / N/A input / output $0.288/M / $2.30/M |
|---|
ocool AI0 tests | GPT-5.3 Codex speed / latency N/A / N/A input / output No data | MiniMax M2.1 Lightning speed / latency N/A / N/A input / output No data |
|---|
OfoxAI0 tests | GPT-5.3 Codex speed / latency N/A / N/A input / output No data | MiniMax M2.1 Lightning speed / latency N/A / N/A input / output No data |
|---|
GPT-5.3 Codex gpt-5.3-codex-xhigh speed / latency No data input / output $0.857/M / $6.85/M | MiniMax M2.1 Lightning MiniMax-M2.1-lightning speed / latency No data input / output $1.03/M / $8.22/M |
Rankings are based on community-submitted tests and periodic health probes. Advisory only, not official data.
