Updated March 25, 2026· Based on independent benchmark data
OpenAI: GPT-5.4 leads in intelligence with a score of 57.2 vs 54.0.
| Metric | OpenAI: GPT-5.4 | OpenAI: GPT-5.2-Codex |
|---|---|---|
| Intelligence Score | 57.2 | 54.0 |
| Coding Score | 57.3 | 53.1 |
| Math Score | N/A | N/A |
| Speed (tok/s) | 77 tok/s | 68 tok/s |
| Latency (TTFT) | 147.35s | 75.14s |
| Input Price / 1M tokens | $2.50 | $1.75 |
| Output Price / 1M tokens | $15 | $14 |
| Context Window | 1.1M |
OpenAI: GPT-5.4 outperforms OpenAI: GPT-5.2-Codex on the Artificial Analysis intelligence index with a score of 57.2 compared to 54.0. For coding tasks, OpenAI: GPT-5.4 has the edge with a coding score of 57.3 vs 53.1.
Both models deliver similar output speeds: OpenAI: GPT-5.4 at 77 tok/s and OpenAI: GPT-5.2-Codex at 68 tok/s. Time to first token is 75.14s for OpenAI: GPT-5.2-Codex vs 147.35s for OpenAI: GPT-5.4, which affects perceived responsiveness in interactive applications.
OpenAI: GPT-5.2-Codex is more affordable at $1.75/1M input tokens ($14/1M output), while OpenAI: GPT-5.4 costs $2.50/1M input ($15/1M output). For a typical workload of 100 requests per day at 2,000 tokens each, OpenAI: GPT-5.4 would cost approximately $15.00/month vs $10.50/month for OpenAI: GPT-5.2-Codex in input costs alone.
OpenAI: GPT-5.4 offers a larger context window at 1.1M tokens compared to OpenAI: GPT-5.2-Codex's 400K. This means OpenAI: GPT-5.4 can process roughly 525 pages of text in a single request vs 200 pages for OpenAI: GPT-5.2-Codex.
Choose OpenAI: GPT-5.4 when you need higher intelligence (57.2), stronger coding performance (57.3), larger context window (1.1M).
OpenAI: GPT-5.4 scores higher on coding benchmarks (57.3 vs 53.1), making it the better choice for programming tasks.
OpenAI: GPT-5.2-Codex is cheaper at $1.75/1M input tokens vs $2.50/1M for OpenAI: GPT-5.4.
OpenAI: GPT-5.4 is faster, producing output at 77 tok/s compared to OpenAI: GPT-5.2-Codex's 68 tok/s.
Yes, OpenAI: GPT-5.4 supports image input. OpenAI: GPT-5.2-Codex also supports images.
Benchmark data by Artificial Analysis
Data last synced: March 25, 2026
| 400K |
| Max Output Tokens | 128K | 128K |
| Input Modalities | Text + Image + File | Text + Image |
| Output Modalities | Text | Text |
| Free Tier | No | No |
OpenAI: GPT-5.4 has a larger context window at 1.1M compared to OpenAI: GPT-5.2-Codex's 400K.
It depends on your priorities. OpenAI: GPT-5.4 scores higher on intelligence (57.2), but OpenAI: GPT-5.2-Codex may be better for specific use cases like budget-conscious projects or speed-critical applications.