Compare / head-to-head
Gemini 2.5 Flash-Litevsgpt-oss-20b
gpt-oss-20b leads 3 of 3 shared benchmarks. Gemini 2.5 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
gpt-oss-20b leads
Cheaper per token
—
list price, input + output
Larger context
Gemini 2.5 Flash-Lite
1.0M tokens
Provider uptime (30d)
100% · 94.2857%
Google · OpenAI
Gemini 2.5 Flash-Lite
Google · released 2025-07-22
textvisionaudio
gpt-oss-20b
OpenAI · released 2025-08-05
text
- Context
- 131K
- Max out
- 131K
- Input /1M
- —
- Output /1M
- —
- Cached /1M
- —
- Scores
- 6 · 5 core
Quality
Benchmark matrix
3 shared · 1 only Gemini 2.5 Flash-Lite · 2 only gpt-oss-20b| Benchmark | Gemini 2.5 Flash-Lite | gpt-oss-20b | Δ | Edge |
|---|---|---|---|---|
| Reported by both · 3 | ||||
| SWE-bench Verified | 27.6% ↗ | 60.7% ↗ | -33.1 pt | gpt-oss-20b |
| GPQA Diamond | 66.7% ↗ | 71.5% ↗ | -4.8 pt | gpt-oss-20b |
| AIME 2025 | 63.1% ↗ | 89.2% ↗matharena ⚠ | -26.1 pt | gpt-oss-20b |
| Only Gemini 2.5 Flash-Lite reports · 1 | ||||
| Humanity's Last Exam (no tools) | 6.9% ↗ | not reported | — | — |
| Only gpt-oss-20b reports · 2 | ||||
| LMArena Elo | not reported | 1287.3 ↗ | — | — |
| OTIS Mock AIME 2024-2025 (Epoch AI run) | not reported | 65.3% ↗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 Gemini 2.5 Flash-Lite minus gpt-oss-20b 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 2.5 Flash-Lite | gpt-oss-20b | Edge |
|---|---|---|---|
| Context window | 1.0M tokens | 131K tokens | Gemini 2.5 Flash-Lite |
| Max output | 66K tokens | 131K tokens | gpt-oss-20b |
| Input price / 1M | $0.1 ↗ | — | — |
| Output price / 1M | $0.4 ↗ | — | — |
| Cached input / 1M | $0.01 ↗ | — | — |
| Input + output / 1M Lower is cheaper. List prices; batch, tool and regional fees excluded. | $0.5 | — | — |
| Modalities | text · vision · audio | text | Gemini 2.5 Flash-Lite |
| Released | 2025-07-22 | 2025-08-05 | — |
| Cited benchmark scores | 4 | 6 | — |
Reliability
Provider status
Last 60 days · refreshed daily on this page · live on /statusMore matchups
Gemini 2.5 Flash-Lite vs …
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gpt-oss-20b vs …
Models sharing the most benchmarksBuilt by Respan
Which one wins on your data?
Public benchmarks are a starting point. Run Gemini 2.5 Flash-Lite and gpt-oss-20b on your own prompts with Respan evals, or route to either through one gateway key with automatic failover.