Compare / head-to-head
Gemini 3 Flash PreviewvsGLM-5.3-Flash
Gemini 3 Flash Preview leads 2 of 4 shared benchmarks. Gemini 3 Flash Preview has the larger context window (1.0M tokens).
Benchmarks from cited public sources; pricing from official pages; status from official provider feeds.
Shared benchmarks
2 – 1
Gemini 3 Flash Preview leads · 1 tied
Cheaper per token
—
list price, input + output
Larger context
Gemini 3 Flash Preview
1.0M tokens
Provider uptime (30d)
100% · —
Google · Z.ai
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
GLM-5.3-Flash
Z.ai · released 2026-09-16
textvision
Quality
Benchmark matrix
4 shared · 7 only Gemini 3 Flash Preview · 15 only GLM-5.3-Flash| Benchmark | Gemini 3 Flash Preview | GLM-5.3-Flash | Δ | Edge |
|---|---|---|---|---|
| Reported by both · 4 | ||||
| GPQA Diamond | 90.4% ↗ | 90.2% ↗epoch | +0.2 pt | Gemini 3 Flash Preview |
| FrontierMath Tier 4 v2 (Epoch AI run) | 17.1% ↗epoch | 17.1% ↗epoch | 0 | Tie |
| FrontierMath Tiers 1-3 v2 (Epoch AI run) | 51.2% ↗epoch | 55.8% ↗epoch | -4.6 pt | GLM-5.3-Flash |
| OTIS Mock AIME 2024-2025 (Epoch AI run) | 95.6% ↗epoch | 93.9% ↗epoch | +1.7 pt | Gemini 3 Flash Preview |
| Only Gemini 3 Flash Preview reports · 7 | ||||
| SWE-bench Verified | 78% ↗ | not reported | — | — |
| AIME 2025 | 95.2% ↗ | not reported | — | — |
| Humanity's Last Exam (no tools) | 33.7% ↗ | not reported | — | — |
| MMMU-Pro | 81.2% ↗ | not reported | — | — |
| SimpleQA Verified | 68.7% ↗ | not reported | — | — |
| SWE-bench Verified (Epoch AI run) | 75.4% ↗epoch | not reported | — | — |
| Terminal-Bench 2.0 | 47.6% ↗ | not reported | — | — |
| Only GLM-5.3-Flash reports · 15 | ||||
| LMArena Elo | not reported | 1471.9 ↗ | — | — |
| Agents' Last Exam (ALE-CLI) | not reported | 26.3% ↗ | — | — |
| AutomationBench v1.0.6 | not reported | 48.8% ↗ | — | — |
| BabyVision | not reported | 53.4% ↗ | — | — |
| Chartography (with tools) | not reported | 78% ↗ | — | — |
| CharXiv Reasoning (with tools) | not reported | 89.4% ↗ | — | — |
| DeepSWE v1.1 | not reported | 63.4% ↗ | — | — |
| GDPval-AA v2 | not reported | 1773 ↗ | — | — |
| HLE (with tools) | not reported | 55.3% ↗ | — | — |
| MMVU | not reported | 80.5% ↗ | — | — |
| MVBench | not reported | 77.8% ↗ | — | — |
| NL2Repo | not reported | 56.3% ↗ | — | — |
| OfficeQA Pro | not reported | 62.4% ↗ | — | — |
| Terminal-Bench 2.1 | not reported | 84.3% ↗ | — | — |
| Toolathlon Verified | not reported | 78.4% ↗ | — | — |
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 GLM-5.3-Flash 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 | GLM-5.3-Flash | Edge |
|---|---|---|---|
| Context window | 1.0M tokens | 1M tokens | Gemini 3 Flash Preview |
| Max output | 66K tokens | 131K tokens | GLM-5.3-Flash |
| Input price / 1M | — | $0.15 ↗ | — |
| Output price / 1M | — | $0.5 ↗ | — |
| Cached input / 1M | — | $0.03 ↗ | — |
| Input + output / 1M Lower is cheaper. List prices; batch, tool and regional fees excluded. | — | $0.65 | — |
| Modalities | text · vision · audio | text · vision | Gemini 3 Flash Preview |
| Released | 2025-12-17 | 2026-09-16 | — |
| Cited benchmark scores | 13 | 19 | — |
Reliability
Provider status
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