Gemini 3.1 Flash-Lite benchmarks, pricing and specs
Gemini 3.1 Flash-Lite is a Google model released on May 7, 2026 that takes text, image, audio and video input and produces text. It costs $0.25 per 1M input tokens and $1.50 per 1M output tokens and accepts up to 1,048,576 tokens of context. It scores 81.8% on GPQA Diamond, #33 of 37 current models (Epoch AI, measured October 12, 2026).
- Per 1M input tokens
- $0.25
- Per 1M output tokens
- $1.50
- Context window
- 1.05M
- GPQA Diamond
- 81.8% · #33/37
Data verified October 12, 2026 · Dataset 2026-10-12
Key facts
- Provider
- Model family
- Gemini 3.1
- Release date
- May 7, 2026
- Status
- Current
- Access
- API only
- API model id
- Not reported
- Context window
- 1,048,576 tokens
- Max output
- 65,536 tokens
- Input
- text, image, audio, video
- Output
- text
- Task families
- text, multimodal
- Declared capabilities
- reasoning, translation, extraction
Gemini 3.1 Flash-Lite pricing
It is the #5 cheapest of 37 current text models priced per 1M input tokens.
Independent benchmark results
Scores come from independent evaluators that ran the model themselves, pinned to a dated snapshot. Rank is among current models in the same snapshot. Google's own launch figures are listed under strengths with the publisher named, because they are not measured the same way.
| Benchmark | Score | Rank | Measured | Source |
|---|---|---|---|---|
| GPQA Diamond | 81.8% | #33 of 37 | October 12, 2026 | Epoch AI · 2026-10-12 |
| FrontierMath Tiers 1-3 (v2) | 27.7% | #33 of 37 | October 12, 2026 | Epoch AI · 2026-10-12 |
Strengths, cautions and best uses
Strengths
- Google documents low-latency multimodal processing for high-volume translation, extraction, and lightweight agentic tasks
Cautions
- The published price for audio input differs from the listed text, image, and video input price
- Google's earliest published shutdown date is 2027-05-07; migrate to gemini-3.5-flash-lite.
Best for
- High-volume multimodal extraction and translation
Alternatives to Gemini 3.1 Flash-Lite
The closest current textmodels by price. The cheapest model that scores as well or better is listed first; failing that, the cheapest one within 3% of the benchmark's scale.
Cheaper, same or higher score
Claude Haiku 5.5
- 60% cheaper per 1M input tokens, $0.10 vs $0.25
- 7.8 points higher on GPQA Diamond, 89.6 vs 81.8
- From Anthropic
DeepSeek-V4.1-Flash
- 20% more per 1M input tokens, $0.30 vs $0.25
- 8 points higher on GPQA Diamond, 89.8 vs 81.8
- From DeepSeek
Gemini 3.5 Flash-Lite
- 20% more per 1M input tokens, $0.30 vs $0.25
- 1.5 points higher on GPQA Diamond, 83.3 vs 81.8
GPT-5.6 Luna
- 20% cheaper per 1M input tokens, $0.20 vs $0.25
- 9.8 points higher on GPQA Diamond, 91.6 vs 81.8
- From OpenAI
Compare Gemini 3.1 Flash-Lite with
- Gemini 3.1 Flash-Lite vs Claude Haiku 5.5
- Gemini 3.1 Flash-Lite vs DeepSeek-V4.1-Flash
- Gemini 3.1 Flash-Lite vs Gemini 3.1 Pro Preview
- Gemini 3.1 Flash-Lite vs Gemini 3.5 Flash
- Gemini 3.1 Flash-Lite vs Gemini 3.5 Flash-Lite
- Gemini 3.1 Flash-Lite vs GPT-4.1 nano
- Gemini 3.1 Flash-Lite vs GPT-5.6 Luna
- Gemini 3.1 Flash-Lite vs GPT-6 Luna
- Gemini 3.1 Flash-Lite vs Qwen3.8-Omni-Flash
Other Gemini 3.1 models
Gemini 3.1 Flash-Lite FAQ
How much does Gemini 3.1 Flash-Lite cost?
Gemini 3.1 Flash-Lite costs $0.25 per 1M input tokens and $1.50 per 1M output tokens at the standard tier. It is the #5 cheapest of 37 current text models priced per 1M input tokens. Source: Google, verified October 11, 2026.
What is the context window of Gemini 3.1 Flash-Lite?
Gemini 3.1 Flash-Lite accepts up to 1,048,576 tokens of context. It can return up to 65,536 tokens in one response. That ranks #10 of 44 current text models by context length.
How does Gemini 3.1 Flash-Lite score on independent benchmarks?
Gemini 3.1 Flash-Lite scores 81.8% on GPQA Diamond, #33 of 37 current models (Epoch AI, measured October 12, 2026) and 27.7% on FrontierMath Tiers 1-3 (v2), #33 of 37 current models (Epoch AI, measured October 12, 2026). These are independent evaluations, not Google's own launch figures.
Is Gemini 3.1 Flash-Lite open source or API only?
Gemini 3.1 Flash-Lite is available through Google's API only; its weights are not published.
What are the best alternatives to Gemini 3.1 Flash-Lite?
The closest current alternatives by price and measured performance are Claude Haiku 5.5 (60% cheaper per 1M input tokens, $0.10 vs $0.25), DeepSeek-V4.1-Flash (20% more per 1M input tokens, $0.30 vs $0.25), Gemini 3.5 Flash-Lite (20% more per 1M input tokens, $0.30 vs $0.25) and GPT-5.6 Luna (20% cheaper per 1M input tokens, $0.20 vs $0.25).
Sources
- Gemini 3.1 Flash-Lite · Google · official · verified August 18, 2026 · CC-BY-4.0
- Gemini deprecations · Google · official · verified August 18, 2026 · CC-BY-4.0
- Gemini Developer API pricing · Google · official · verified October 11, 2026
- Epoch AI Benchmarking Hub data (benchmark_data.zip) · Epoch AI · independent · verified October 12, 2026 · CC-BY-4.0
Cite this page
Van Data Team. "Gemini 3.1 Flash-Lite Benchmarks, Pricing and Specs." AI Model Benchmark Dataset 2026-10-12. https://vandatateam.com/ai-model-benchmarks/gemini-3-1-flash-lite
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Production evaluation
Deciding whether Gemini 3.1 Flash-Lite fits your workload?
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