Compare / head-to-head
Gemini 3.6 FlashvsGemini 3.8 Flash
Gemini 3.8 Flash leads 8 of 9 shared benchmarks. Both list the same combined token price. Both offer a 1.0M-token context window.
Benchmarks from cited public sources; pricing from official pages; status from official provider feeds.
Shared benchmarks
0 – 8
Gemini 3.8 Flash leads · 1 tied
Cheaper per token
Tie
list price, input + output
Larger context
Tie
both 1.0M tokens
Provider uptime (30d)
100%
Google
Gemini 3.6 Flash
Google · released 2026-07-21
textvisionaudio
Gemini 3.8 Flash
Google · released 2026-09-02
textvisionaudio
Quality
Benchmark matrix
9 shared · 5 only Gemini 3.6 Flash · 6 only Gemini 3.8 Flash| Benchmark | Gemini 3.6 Flash | Gemini 3.8 Flash | Δ | Edge |
|---|---|---|---|---|
| Reported by both · 9 | ||||
| GPQA Diamond | 94.1% ↗epoch | 95.3% ↗ | -1.2 pt | Gemini 3.8 Flash |
| CharXiv Reasoning (no tools) | 85.2% ↗ | 86.2% ↗ | -1 pt | Gemini 3.8 Flash |
| DeepSWE v1.1 | 49% ↗ | 73.7% ↗ | -24.7 pt | Gemini 3.8 Flash |
| FrontierMath Tier 4 v2 (Epoch AI run) | 22% ↗epoch | 22% ↗epoch | 0 | Tie |
| FrontierMath Tiers 1-3 v2 (Epoch AI run) | 58.9% ↗epoch | 68.4% ↗epoch | -9.5 pt | Gemini 3.8 Flash |
| GDPVal-AA v2 | 1421 ↗ | 1545 ↗ | -124 | Gemini 3.8 Flash |
| OTIS Mock AIME 2024-2025 (Epoch AI run) | 94.2% ↗epoch | 98.9% ↗epoch | -4.7 pt | Gemini 3.8 Flash |
| SimpleQA Verified | 66.2% ↗epoch | 69.7% ↗epoch | -3.5 pt | Gemini 3.8 Flash |
| Terminal-bench 2.1 | 78% ↗ | 89.4% ↗ | -11.4 pt | Gemini 3.8 Flash |
| Only Gemini 3.6 Flash reports · 5 | ||||
| AIME 2026 | 96.7% ↗matharena ⚠ | not reported | — | — |
| GDM-MRCR v2 (128k average) | 91.8% ↗ | not reported | — | — |
| MLE-Bench | 63.9% ↗ | not reported | — | — |
| OSWorld-Verified | 83% ↗ | not reported | — | — |
| SWE-Bench Pro (Public) | 58.7% ↗ | not reported | — | — |
| Only Gemini 3.8 Flash reports · 6 | ||||
| Harvey's Legal Agent Benchmark | not reported | 10% ↗ | — | — |
| HLE-Verified | not reported | 54.9% ↗ | — | — |
| LABBench2 | not reported | 86.2% ↗ | — | — |
| OSWorld-2.0 | not reported | 59% ↗ | — | — |
| Terminal-bench 4.0 | not reported | 19.1% ↗ | — | — |
| Vals Finance Agent v2 | not reported | 61.4% ↗ | — | — |
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 3.6 Flash minus Gemini 3.8 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 3.6 Flash | Gemini 3.8 Flash | Edge |
|---|---|---|---|
| Context window | 1.0M tokens | 1.0M tokens | Tie |
| Max output | 66K tokens | 66K tokens | Tie |
| Input price / 1M | $0.75 ↗ | $0.75 ↗ | Tie |
| Output price / 1M | $3.75 ↗ | $3.75 ↗ | Tie |
| Cached input / 1M | $0.075 ↗ | $0.075 ↗ | Tie |
| Input + output / 1M Lower is cheaper. List prices; batch, tool and regional fees excluded. | $4.5 | $4.5 | Tie |
| Modalities | text · vision · audio | text · vision · audio | Tie |
| Released | 2026-07-21 | 2026-09-02 | — |
| Cited benchmark scores | 14 | 16 | — |
Reliability
Google status
Last 60 days · refreshed daily on this page · live on /statusMore matchups
Gemini 3.6 Flash vs …
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Gemini 3.8 Flash vs …
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Which one wins on your data?
Public benchmarks are a starting point. Run Gemini 3.6 Flash and Gemini 3.8 Flash on your own prompts with Respan evals, or route to either through one gateway key with automatic failover.