Gemini 3.5 Flash-Lite
Gemini 3.5 Flash-Lite is an API-only (closed weights) language model from Google, released July 21, 2026. The context window is 1M tokens. On the Epoch Capabilities Index it scores 145.6, rank 92 of 256 rated models. API price: $0.3 input / $2.5 output per million tokens.
3.5 Flash-Lite: Our fastest, most cost-effective 3.5-class model, delivering 350 output tokens per second according to the Artificial Analysis Index, also significantly outperforming prior Flash-Lite generations in agentic workflows.
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Strengths by category
ModelTape's 0–100 fit on Epoch AI benchmark results.
| Category | Score | Based on |
|---|---|---|
| Reasoning | 13.1 | Chess Puzzles, Mystery Game Puzzles |
| Math | 27.5 | ProofBench, OTIS Mock AIME 2024-2025, FrontierMath-Tiers-1-3-v2-Private, FrontierMath-Tier-4-v2-Private |
Benchmark results
| Benchmark (Epoch AI) | Score |
|---|---|
| GPQA Diamond | 81.0% |
| OTIS Mock AIME | 71.1% |
| FrontierMath (Tiers 1–3) | 27.3% |
| Chess Puzzles | 16.9% |
| ProofBench | 13.0% |
| Mystery Game Puzzles | 10.8% |
| FrontierMath-Tier-4-v2-Private | 0.0% |
Links
Announcement · Epoch AI benchmarks
Models with a similar score
GPT-5.4 Mini · Qwen 3.6 Plus · Kimi K2.5 · Inkling · Qwen3.5 397B-A17B · Qwen3.7-Plus · MiniMax-M3 · Claude Sonnet 4.5
More from Google
Gemini 4 Carbon · Gemini 4 Argon · Gemini 3.8 Flash · Gemini 3.7 Flash · Gemini 3.6 Flash · Gemini 3.5 Flash Cyber · Gemma 4 E4B · Gemma 4 E2B