GPT-5.2-Codex vs Phi-4-multimodal-instruct
OpenAI vs Microsoft — benchmarks, pricing, and capabilities side by side.
- •GPT-5.2-Codex has the higher intelligence index (89.9 vs 46.2)
- •Phi-4-multimodal-instruct is cheaper ($0.05 vs $1.75 per 1M input)
- •GPT-5.2-Codex is faster
- •GPT-5.2-Codex has a larger context window (400K)
| GPT-5.2-Codex | Phi-4-multimodal-instruct | |
|---|---|---|
| Intelligence index | 89.9 | 46.2 |
| Developer | OpenAI | Microsoft |
| Type | Multimodal | Multimodal |
| Access | API only | Open weights |
| Context window | 400,000 tokens | 128,000 tokens |
| Input price | $1.75 / 1M | $0.05 / 1M |
| Output price | $14.00 / 1M | $0.10 / 1M |
| Speed | 106 tok/s | 25 tok/s |
| Released | January 14, 2026 | February 1, 2025 |
| Parameters | — | 5600000000 |
| Input modalities | Text, Image | — |
| Output modalities | Text | — |
Shared benchmarks
GPT-5.2-Codex
Phi-4-multimodal-instruct
GPQA Diamond
89.9
31.5
Humanity’s Last Exam
33.5
4.4