Deprecated compatibility alias. Requests route to the stable Gemini 2.5 Flash Lite model.
Added Sep 25, 2025
Context Window
1.0M
Max Output
65.5K
Input Price (Auto)
$0.10/1M
Output Price (Auto)
$0.40/1M
Cache Read (Auto)
$0.010/1M
Capabilities
Benchmarks
Benchmarks
Performance metrics and benchmarks
Sourced from Artificial Analysis.
Intelligence Index
13.1
Reasoning
GPQA Diamond
Graduate-level scientific reasoning
65.1%
Better than 42% of models compared
HLE
Humanity's Last Exam
5.1%
Better than 34% of models compared
IFBench
Instruction-following benchmark
41.8%
Better than 43% of models compared
T²-Bench Telecom
Conversational AI agents in dual-control scenarios
30.4%
Better than 37% of models compared
AA-LCR
Long context reasoning evaluation
51.7%
Better than 54% of models compared
CritPt
Research-level physics reasoning
0.0%
Coding
SciCode
Python programming for scientific computing
28.5%
Better than 38% of models compared
Terminal-Bench Hard
Agentic coding and terminal use
7.6%
Better than 40% of models compared
LiveCodeBench
Contamination-free coding benchmark
64.1%
Better than 70% of models compared
Math
AIME 2025
American Invitational Mathematics Examination 2025
46.7%
Better than 46% of models compared
Knowledge
MMLU-Pro
Professional and academic subject knowledge
79.6%
Better than 65% of models compared
AA-Omniscience Accuracy
Proportion of correctly answered questions
14.1%
AA-Omniscience Hallucination Rate
Rate of incorrect answers among non-correct responses
66.1%
Last updated Aug 16, 2026
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Compare Gemini 2.5 Flash Lite Preview (09/2025) with similar models from the same provider or model family.
Gemini 2.5 Flash Lite Preview (09/2025) – Thinking
gemini-2.5-flash-lite-preview-09-2025-thinkingDeprecated compatibility alias. Requests route to Gemini 2.5 Flash Lite with the stable thinking path.
Gemini 3.5 Flash Lite
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Gemini Flash Lite Latest
google/gemini-flash-lite-latestCompatibility alias that routes to the newest version of Gemini Flash Lite. Currently routes to Gemini 3.5 Flash Lite.
Gemini 3.1 Flash Lite
google/gemini-3.1-flash-liteGoogle's Gemini 3.1 Flash Lite. Optimized for high-volume, cost-efficient reasoning and multimodal workloads.
Gemini 2.5 Flash Preview (09/2025)
gemini-2.5-flash-preview-09-2025State-of-the-art Gemini 2.5 Flash checkpoint tuned for advanced reasoning, coding, math, and scientific tasks. Built-in thinking for higher accuracy and nuanced context handling. Routed to Gemini 2.5 Flash (stable).
Gemini 2.5 Flash Preview (09/2025) – Thinking
gemini-2.5-flash-preview-09-2025-thinkingSame checkpoint with thinking enabled by default for deeper reasoning and stepwise analysis on complex tasks. Routed to Gemini 2.5 Flash Thinking (stable).