Gemini 2.5 Flash Lite Preview (09/2025)
Deprecated compatibility alias. Requests route to the stable Gemini 2.5 Flash Lite model.
- Reasoning
- Vision
- Audio Input
- Native PDF input
- Tool Calling
- Structured Output
Added Sep 25, 2025
Pricing
Auto routing · per 1M tokens- Input
- $0.10
- Output
- $0.40
- Cache read
- $0.010
Specifications
- Context window
- 1M
- Max output
- 65.5K
Benchmarks
Benchmarks
Sourced from Artificial Analysis.
Intelligence Index
9.3
Agentic work
T²-Bench Telecom (legacy)
Legacy fallback · Conversational AI agents in dual-control scenarios
30.4%
Better than 37% of models compared
Document reasoning
AA-LCR v1.1
Long context reasoning with updated grading
49.7%
Better than 43% of models compared
Reasoning
HLE
Humanity's Last Exam
5.1%
Better than 29% of models compared
IFBench
Instruction-following benchmark
41.8%
Better than 43% of models compared
CritPt
Research-level physics reasoning
0.0%
Coding
Terminal-Bench Hard (legacy)
Legacy fallback · 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%
Legacy benchmarks
GPQA Diamond (legacy)
Graduate-level scientific reasoning
65.1%
Better than 40% of models compared
AA-LCR (unversioned / legacy)
Long context reasoning evaluation
49.7%
Better than 43% of models compared
Last updated Oct 3, 2026
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