The Model Index
Models/Google

Gemini 2.5 Flash-Lite (Sep 2025)

GoogleReleased 25 Sep 2025Closed weights
–Index scoreNo independent results yet
0/ 9Core tests taken0 of 6 areas · plus 1 anchor tests
–Versus the frontier at releaseReplaced by Gemini 3.1 Flash-Lite
–Price per million tokensno public API price found
–Context windowtokens it reads at once

Where it sitson the frontier

801001201401601802002023202420252026GPT-4 at launch = 100

Not plotted: no independent score yet.

Test resultsby area · tick = best by any model

Reasoning & knowledgeevidence
GPQA Diamond (Epoch AI)
no result
Humanity's Last Exam
no result
Mathsno evidence yet
FrontierMath (tiers 1-3)
no result
Codingno evidence yet
SWE-bench Verified
no result
Terminal-Bench 4.0
no result
Agentsno evidence yet
APEX-Agents
no result
Professional workno evidence yet
Finance Agent (v2)
no result
Novel problemsno evidence yet
ARC-AGI-2
no result
Long tasksno evidence yet
METR time horizon
no result

Independent results from Epoch AI, Vals AI, LiveBench, ARC Prize, Scale AI and other testers, at the model’s best standard setting. The core tests are shown here; anchor tests also inform the score and can be shown above. Hover a bar for who ran it.

What others sayrank on each leaderboard

Not on any of the rankings we follow yet.

Further left is better. Leaderboards measure different things: LMArena is people voting blind between two answers, the others are test scores. Click any row for the source.

Best attop three among current models

Replaced by Gemini 3.1 Flash-Lite; it no longer leads any category among current models.

Where this model places in the top three of today's models, on category leaderboards and on our core tests.

Where to use itprices checked 5 Oct 2026

Provider prices come from OpenRouter's live listing; going direct to a provider can differ. Subscriptions are the lab's own apps.

Facts and sources

Released25 Sep 2025
Announcementnot linked yet
Release entry–
Scored asGemini 2.5 Flash-Lite (Sep 2025)
Output speed–
Hugging Faceclosed weights

Google releasesaround this one