Compare / head-to-head
Gemini 3 Flash PreviewvsGPT-5.4
GPT-5.4 leads 7 of 8 shared benchmarks. GPT-5.4 has the larger context window (1.1M tokens).
Benchmarks from cited public sources; pricing from official pages; status from official provider feeds.
Shared benchmarks
1 – 7
GPT-5.4 leads
Cheaper per token
—
list price, input + output
Larger context
GPT-5.4
1.1M tokens
Provider uptime (30d)
100% · 95.4416%
Google · OpenAI
Gemini 3 Flash Preview
Google · released 2025-12-17
textvisionaudio
- Context
- 1.0M
- Max out
- 66K
- Input /1M
- —
- Output /1M
- —
- Cached /1M
- —
- Scores
- 13 · 9 core
Quality
Benchmark matrix
8 shared · 3 only Gemini 3 Flash Preview · 12 only GPT-5.4| Benchmark | Gemini 3 Flash Preview | GPT-5.4 | Δ | Edge |
|---|---|---|---|---|
| Reported by both · 8 | ||||
| GPQA Diamond | 90.4% ↗ | 92.8% ↗ | -2.4 pt | GPT-5.4 |
| Humanity's Last Exam (no tools) | 33.7% ↗ | 39.8% ↗ | -6.1 pt | GPT-5.4 |
| FrontierMath Tier 4 v2 (Epoch AI run) | 17.1% ↗epoch | 49% ↗epoch | -31.9 pt | GPT-5.4 |
| FrontierMath Tiers 1-3 v2 (Epoch AI run) | 51.2% ↗epoch | 78.6% ↗epoch | -27.4 pt | GPT-5.4 |
| OTIS Mock AIME 2024-2025 (Epoch AI run) | 95.6% ↗epoch | 97.8% ↗epoch | -2.2 pt | GPT-5.4 |
| SimpleQA Verified | 68.7% ↗ | 45.1% ↗epoch | +23.6 pt | Gemini 3 Flash Preview |
| SWE-bench Verified (Epoch AI run) | 75.4% ↗epoch | 76.9% ↗epoch | -1.5 pt | GPT-5.4 |
| Terminal-Bench 2.0 | 47.6% ↗ | 75.1% ↗ | -27.5 pt | GPT-5.4 |
| Only Gemini 3 Flash Preview reports · 3 | ||||
| SWE-bench Verified | 78% ↗ | not reported | — | — |
| AIME 2025 | 95.2% ↗ | not reported | — | — |
| MMMU-Pro | 81.2% ↗ | not reported | — | — |
| Only GPT-5.4 reports · 12 | ||||
| AIME 2026 | not reported | 99.2% ↗matharena ⚠ | — | — |
| LMArena Elo | not reported | 1452.6 ↗ | — | — |
| BrowseComp | not reported | 82.7% ↗ | — | — |
| GDPval (wins or ties) | not reported | 83% ↗ | — | — |
| Humanity's Last Exam (with tools) | not reported | 52.1% ↗ | — | — |
| MCP Atlas | not reported | 67.2% ↗ | — | — |
| MMMU-Pro (no tools) | not reported | 81.2% ↗ | — | — |
| MMMU-Pro (with tools) | not reported | 82.1% ↗ | — | — |
| OSWorld-Verified | not reported | 75% ↗ | — | — |
| SWE-Bench Pro | not reported | 57.7% ↗ | — | — |
| Tau2-bench Telecom | not reported | 98.9% ↗ | — | — |
| Toolathlon | not reported | 54.6% ↗ | — | — |
Scores tagged "epoch" or "matharena" are independent runs, used only where the lab has not published its own; ⚠ marks rows MathArena flags as released after the competition. Higher is better on every row. Δ is Gemini 3 Flash Preview minus GPT-5.4 in the benchmark's own unit. "Not reported" means the lab has not published that figure; it is not a zero. ↗ opens the source.
Specs & pricing
Side by side
Official pricing pages and model cards| Spec | Gemini 3 Flash Preview | GPT-5.4 | Edge |
|---|---|---|---|
| Context window | 1.0M tokens | 1.1M tokens | GPT-5.4 |
| Max output | 66K tokens | 128K tokens | GPT-5.4 |
| Input price / 1M | — | $2.5 ↗ | — |
| Output price / 1M | — | $15 ↗ | — |
| Cached input / 1M | — | $0.25 ↗ | — |
| Input + output / 1M Lower is cheaper. List prices; batch, tool and regional fees excluded. | — | $17.5 | — |
| Modalities | text · vision · audio | text · vision | Gemini 3 Flash Preview |
| Released | 2025-12-17 | 2026-03-05 | — |
| Cited benchmark scores | 13 | 21 | — |
Reliability
Provider status
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Which one wins on your data?
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