Compare / head-to-head
DeepSeek R1vsGemini 3.5 Flash-Lite
Gemini 3.5 Flash-Lite leads 3 of 3 shared benchmarks. Gemini 3.5 Flash-Lite has the larger context window (1.0M tokens).
Benchmarks from cited public sources; pricing from official pages; status from official provider feeds.
Shared benchmarks
0 – 3
Gemini 3.5 Flash-Lite leads
Cheaper per token
—
list price, input + output
Larger context
Gemini 3.5 Flash-Lite
1.0M tokens
Provider uptime (30d)
100% · 100%
DeepSeek · Google
DeepSeek R1
DeepSeek · released 2025-01-20
text
- Context
- 128K
- Max out
- 33K
- Input /1M
- —
- Output /1M
- —
- Cached /1M
- —
- Scores
- 8 · 7 core
Gemini 3.5 Flash-Lite
Google · released 2026-07-21
textvisionaudio
Quality
Benchmark matrix
3 shared · 4 only DeepSeek R1 · 2 only Gemini 3.5 Flash-Lite| Benchmark | DeepSeek R1 | Gemini 3.5 Flash-Lite | Δ | Edge |
|---|---|---|---|---|
| Reported by both · 3 | ||||
| GPQA Diamond | 71.5% ↗ | 83.3% ↗epoch | -11.8 pt | Gemini 3.5 Flash-Lite |
| LMArena Elo | 1372.6 ↗ | 1435.5 ↗ | -62.9 | Gemini 3.5 Flash-Lite |
| OTIS Mock AIME 2024-2025 (Epoch AI run) | 53.3% ↗epoch | 71.1% ↗epoch | -17.8 pt | Gemini 3.5 Flash-Lite |
| Only DeepSeek R1 reports · 4 | ||||
| SWE-bench Verified | 49.2% ↗ | not reported | — | — |
| MMLU | 90.8% ↗ | not reported | — | — |
| MMLU-Pro | 84% ↗ | not reported | — | — |
| AIME 2025 | 70% ↗matharena | not reported | — | — |
| Only Gemini 3.5 Flash-Lite reports · 2 | ||||
| FrontierMath Tier 4 v2 (Epoch AI run) | not reported | 0% ↗epoch | — | — |
| FrontierMath Tiers 1-3 v2 (Epoch AI run) | not reported | 26% ↗epoch | — | — |
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 DeepSeek R1 minus Gemini 3.5 Flash-Lite 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 | DeepSeek R1 | Gemini 3.5 Flash-Lite | Edge |
|---|---|---|---|
| Context window | 128K tokens | 1.0M tokens | Gemini 3.5 Flash-Lite |
| Max output | 33K tokens | 66K tokens | Gemini 3.5 Flash-Lite |
| Input price / 1M | — | $0.3 ↗ | — |
| Output price / 1M | — | $2.5 ↗ | — |
| Cached input / 1M | — | $0.03 ↗ | — |
| Input + output / 1M Lower is cheaper. List prices; batch, tool and regional fees excluded. | — | $2.8 | — |
| Modalities | text | text · vision · audio | Gemini 3.5 Flash-Lite |
| Released | 2025-01-20 | 2026-07-21 | — |
| Cited benchmark scores | 8 | 5 | — |
Reliability
Provider status
Last 60 days · refreshed daily on this page · live on /statusMore matchups
DeepSeek R1 vs …
Models sharing the most benchmarksMore matchups
Gemini 3.5 Flash-Lite vs …
Models sharing the most benchmarksBuilt by Respan
Which one wins on your data?
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