gemini-2.5-flash-lite-preview-06-17 (Default thinking length)
gemini-2.5-flash-lite-preview-06-17 (Default thinking length) (Google DeepMind) was released on Jun 17, 2025. In the Epoch AI capability ranking (ECI), it ranks #151 out of 267 models, with 133.92. On Arena, which measures human preference in blind comparisons, it has 1,401 ELO points (#159).
What to compare gemini-2.5-flash-lite-preview-06-17 (Default thinking length) with
The models from other labs closest in capability and released in the same period, at most two per lab. Click any of them to see its page.
| Model | Lab | ECI | ELO | LiveBench | Release |
|---|---|---|---|---|---|
| DeepSeek-R1-Distill-Qwen-14B | DeepSeek | 135.44 | n/a | n/a | Jan 20, 2025 |
| GPT-4.1 mini | OpenAI | 135.00 | n/a | n/a | Apr 14, 2025 |
| Mistral Medium 3 | Mistral AI | 134.06 | n/a | n/a | May 7, 2025 |
| gemini-2.5-flash-lite-preview-06-17 (Default thinking length) | Google DeepMind | 133.92 | 1,401 | n/a | Jun 17, 2025 |
| Claude 3.5 Sonnet (October 2024) | Anthropic | 133.53 | 1,342 | n/a | Oct 22, 2024 |
| Magistral Small 1.0 | Mistral AI | 133.20 | n/a | n/a | Jun 10, 2025 |
| Qwen2.5-Max | Alibaba | 132.53 | 1,396 | n/a | Jan 25, 2025 |
Other models from Google DeepMind
The models from the same lab closest in time, newest first.
| Model | Release | ECI | ELO | LiveBench | Access |
|---|---|---|---|---|---|
| Gemini 2.5 Flash (Sep 2025) | Sep 25, 2025 | 143.00 | 1,450 | n/a | API access |
| Gemini 2.5 Flash-Lite (Jun 2025) | Jun 17, 2025 | 133.95 | n/a | n/a | API access |
| gemini-2.5-flash-lite-preview-06-17 (Default thinking length) | Jun 17, 2025 | 133.92 | 1,401 | n/a | API access |
| Gemini 2.5 Pro (Jun 2025) | Jun 5, 2025 | 145.31 | 1,507 | n/a | API access |
| Gemini 2.5 Pro Exp (Mar 2025) | Mar 25, 2025 | 144.20 | n/a | n/a | API access |
| Gemma 3 27B | Mar 12, 2025 | 130.05 | n/a | n/a | Open weights (restricted use) |
| Gemma 3 12B | Mar 12, 2025 | 123.49 | n/a | n/a | Open weights (restricted use) |
| Gemma 3 4B | Mar 12, 2025 | 116.01 | n/a | n/a | Open weights (restricted use) |
| Gemini 2.0 Pro Exp (Feb 2025) | Feb 5, 2025 | 135.08 | n/a | n/a | Hosted access (no API) |
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What people ask about gemini-2.5-flash-lite-preview-06-17 (Default thinking length)
Where does gemini-2.5-flash-lite-preview-06-17 (Default thinking length) rank among AI models?
In the ROO3 AI Benchmark, ordered by the Epoch AI ECI, gemini-2.5-flash-lite-preview-06-17 (Default thinking length) ranks #151 out of 267 models, with an ECI of 133.92. The ECI is a composite index that combines several hard benchmarks into a single scale. The position changes when a new model comes out, and the page is refreshed six times a day.
Where do the numbers on this page come from?
From the same three sources as the ranking, all openly licensed: Epoch AI (ECI and individual tests, CC BY 4.0), Arena (human-preference ELO, CC BY 4.0) and LiveBench (overall average, CC BY-SA 4.0). ROO3 does not measure any model. When the page shows a figure published by the maker itself, it appears in the written analysis, labeled as the maker's, and never enters the ranking.
Where each number comes from
Epoch AI, "AI Benchmarking Hub". Published at epoch.ai. Data under the CC BY 4.0 licence, reordered by roo3.co.
The Arena (LMArena) leaderboard, from the public lmarena-ai/leaderboard-dataset on Hugging Face, under the CC BY 4.0 licence. We are not affiliated with the Arena.
LiveBench, by the LiveBench team, published at livebench.ai under the CC BY-SA 4.0 license. The overall average is recomputed by roo3.co with the same formula as the website (average of the categories), and those numbers stay under CC BY-SA 4.0. We are not affiliated with LiveBench.
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