Key Takeaways
GPT-5.3 Codex wins:
- Larger context window
- Faster response time
- Higher intelligence benchmark
- Better at coding
- Supports vision
- Has reasoning mode
MiniMax M2.7 wins:
- Cheaper input tokens
- Cheaper output tokens
Price Advantage
MiniMax M2.7
Benchmark Advantage
GPT-5.3 Codex
Context Window
GPT-5.3 Codex
Speed
GPT-5.3 Codex
Pricing Comparison
Price Comparison
| Metric | GPT-5.3 Codex | MiniMax M2.7 | Winner |
|---|---|---|---|
| Input (per 1M tokens) | $1.75 | $0.30 | MiniMax M2.7 |
| Output (per 1M tokens) | $14.00 | $1.20 | MiniMax M2.7 |
| Cache Read (per 1M) | $0.17 | $0.06 | MiniMax M2.7 |
Using a 3:1 input/output ratio, MiniMax M2.7 is 89% cheaper overall.
GPT-5.3 Codex Providers
No provider data available
MiniMax M2.7 Providers
No provider data available
Benchmark Comparison
3
Benchmarks Compared
3
GPT-5.3 Codex Wins
0
MiniMax M2.7 Wins
Benchmark Scores
| Benchmark | GPT-5.3 Codex | MiniMax M2.7 | Winner |
|---|---|---|---|
Intelligence Index Overall intelligence score | 54.0 | 49.6 | |
Coding Index Code generation & understanding | 53.1 | 41.9 | |
GPQA Graduate-level science | 91.5 | 87.4 |
GPT-5.3 Codex significantly outperforms in coding benchmarks.
Cost vs Quality
X-axis:
Y-axis:
Loading chart...
Other models
Context & Performance
Context Window
GPT-5.3 Codex
400,000
tokens
MiniMax M2.7
204,800
tokens
GPT-5.3 Codex has a 49% larger context window.
Speed Performance
| Metric | GPT-5.3 Codex | MiniMax M2.7 | Winner |
|---|---|---|---|
| Tokens/second | 74.0 tok/s | 43.2 tok/s | |
| Time to First Token | 85.27s | 1.54s |
GPT-5.3 Codex responds 71% faster on average.
Capabilities
Feature Comparison
| Feature | GPT-5.3 Codex | MiniMax M2.7 |
|---|---|---|
| Vision (Image Input) | ||
| Tool/Function Calls | ||
| Reasoning Mode | ||
| Audio Input | ||
| Audio Output | ||
| PDF Input | ||
| Prompt Caching | ||
| Web Search |
License & Release
| Property | GPT-5.3 Codex | MiniMax M2.7 |
|---|---|---|
| License | Proprietary | Proprietary |
| Author | OpenAI | Minimax |
| Released | Feb 2026 | Mar 2026 |
GPT-5.3 Codex Modalities
Input
textimage
Output
text
MiniMax M2.7 Modalities
Input
text
Output
text