Model comparison
GPT-5.4 Pro vs GPT-5.2 Pro
- Input
- $30.00
- Output
- $180.00
- Context
- 1.05M
- Released
- 2026-03-05
- Input
- $1.75 / 1M tokens
- Output
- $14 / 1M tokens
- Context
- 400K
- Released
- 2025-12-11
GPT-5.4 Pro scores higher on 2 of the 2 benchmarks both models report; GPT-5.2 Pro is cheaper on input tokens ($1.8 vs $30 per 1M, 17.1×); GPT-5.4 Pro has the larger context window (1.05M vs 400K).
Specs and pricing side by side
| Spec | GPT-5.4 Pro | GPT-5.2 Pro |
|---|---|---|
| Maker | OpenAI | OpenAIsame |
| Released | 2026-03-05 | 2025-12-11 |
| Context window | 1.05M | 400K |
| Max output | 128K | 128Ksame |
| Input price | $30.00 | $1.75 / 1M tokens |
| Output price | $180.00 | $14 / 1M tokens |
| Parameters | not published | Not disclosed |
| License | Proprietary | Proprietarysame |
| Weights | API only | API onlysame |
| Modalities | Text, Vision | Text, Visionsame |
| Knowledge cutoff | August 31, 2025 | August 31, 2025same |
Benchmarks both models report
| Benchmark | GPT-5.4 Pro | GPT-5.2 Pro |
|---|---|---|
| GPQA Diamond | 94.4% | 93.2% |
| ARC-AGI-2 | 83.3% | 54.2% |
Scores are as published by each maker or its cited source; harness, reasoning effort and date can differ between rows, so treat small gaps as ties. Sources are listed on each model page.
Which one should you pick?
Pick GPT-5.4 Pro if…
- You care about GPQA Diamond, ARC-AGI-2 (it scores higher on 2 shared benchmarks).
- You need the longer context (1.05M vs 400K).
- Your use case is: long-horizon professional deliverables: financial models, slide decks, and legal analysis.
Pick GPT-5.2 Pro if…
- Cost matters: input tokens cost 17.1× less ($1.8 vs $30 per 1M).
- Your use case is: research-grade questions where a slower, higher-quality answer is worth the wait.
FAQ
Which is better, GPT-5.4 Pro or GPT-5.2 Pro?
GPT-5.4 Pro scores higher on 2 of the 2 benchmarks both models report; GPT-5.2 Pro is cheaper on input tokens ($1.8 vs $30 per 1M, 17.1×); GPT-5.4 Pro has the larger context window (1.05M vs 400K). The better pick depends on whether you value benchmark scores, price per token, context length or openness for your workload.
How much cheaper is GPT-5.2 Pro?
GPT-5.4 Pro: $30.00 input, $180.00 output. GPT-5.2 Pro: $1.75 / 1M tokens input, $14 / 1M tokens output (list API prices as published by each maker).
What are the context windows of GPT-5.4 Pro and GPT-5.2 Pro?
GPT-5.4 Pro offers 1.05M with up to 128K output; GPT-5.2 Pro offers 400K with up to 128K output.
Is GPT-5.4 Pro newer than GPT-5.2 Pro?
GPT-5.4 Pro was released 2026-03-05; GPT-5.2 Pro was released 2025-12-11.
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