token.app › Compare › GPT-5.4 vs Gemini 3.1 Pro Preview
GPT-5.4 vs Gemini 3.1 Pro Preview
GPT-5.4 leads on 3 of 5 shared benchmarks. Gemini 3.1 Pro Preview is 1.3× cheaper per token on a blended 3:1 basis. GPT-5.4 accepts the larger context window (1.1M).
Head to head
Blended price uses a 3:1 input:output mix
| GPT-5.4 | Gemini 3.1 Pro Preview | |
|---|---|---|
| Provider | OpenAI | |
| Input $/1M | $2.50 | $2.00 |
| Output $/1M | $15.00 | $12.00 |
| Blended $/1M | $5.63 | $4.50 |
| Context window | 1.1M | 1.0M |
| Max output | 128K | 66K |
| Released | Mar 2026 | Feb 2026 |
| Licence | Proprietary | Proprietary |
| GPQA Diamond | 93.3% | 94.4% |
| FrontierMath T1–3 | 78.6% | 59.6% |
| FrontierMath T4 | 49.0% | 26.8% |
| SimpleQA Verified | 44.8% | 77.3% |
| OTIS Mock AIME | 97.8% | 95.6% |
Benchmark scores independently run and published by Epoch AI, 'AI Benchmarking Hub', used under CC BY 4.0. Only benchmarks with a score for BOTH models are compared.
Choose GPT-5.4 if…
- Higher FrontierMath T1–3 (78.6% vs 59.6%)
- Higher FrontierMath T4 (49.0% vs 26.8%)
- Higher OTIS Mock AIME (97.8% vs 95.6%)
- Larger context window (1.1M)
- Newer model (released Mar 2026)
Choose Gemini 3.1 Pro Preview if…
- Costs less per token — $4.50 vs $5.63 blended
- Higher GPQA Diamond (94.4% vs 93.3%)
- Higher SimpleQA Verified (77.3% vs 44.8%)
FAQ
Which is better, GPT-5.4 or Gemini 3.1 Pro Preview?
Across the 5 benchmarks both models have independently-run scores for, GPT-5.4 leads on 3 and Gemini 3.1 Pro Preview leads on 2. Benchmarks are one input — price and context window are on this page too.
Is GPT-5.4 cheaper than Gemini 3.1 Pro Preview?
Gemini 3.1 Pro Preview is cheaper: $4.50 versus $5.63 per million tokens blended at 3:1 input:output. Input alone: $2.50 vs $2.00. Output alone: $15.00 vs $12.00.
What context windows do GPT-5.4 and Gemini 3.1 Pro Preview have?
GPT-5.4: 1,050,000 tokens. Gemini 3.1 Pro Preview: 1,048,576 tokens.
Who makes GPT-5.4 and Gemini 3.1 Pro Preview?
GPT-5.4 is made by OpenAI. Gemini 3.1 Pro Preview is made by Google.