Gemini 2.5 Flash vs Gemini 3.1 Flash Lite
At a Glance
| Compare |  Gemini 2.5 FlashGoogle DeepMind | Gemini 3.1 Flash LiteGoogle DeepMind |
|---|---|---|
| Pricing and Limits | ||
| Input priceFrom · USD / 1M tokens | $0.30Google AI ↗ · Aug 29, 2026 | $0.25Google AI ↗ · Aug 29, 2026 |
| Output priceFrom · USD / 1M tokens | $2.50Google AI ↗ · Aug 29, 2026 | $1.50Google AI ↗ · Aug 29, 2026 |
| Context windowMaximum documented tokens | 1,049K | 1,049K |
| Model facts checked | Aug 29, 2026View model evidence → | Aug 29, 2026View model evidence → |
Token prices are the lowest available sourced USD rates; input and output may use different providers. Cost ranking estimates output spend on LiveBench, not a full request bill. Ranking methodology →
Available Benchmarks
| Benchmark | Gemini 2.5 Flash | Gemini 3.1 Flash-Lite |
|---|---|---|
| ToneBench2026-09-11-10-task-4ef099199c9c · overall_score · unverified | 72.17100% of row best · points · Gemini 2.5 Flash · 4,399 output tokens / case | 71.3099% of row best · points · Gemini 3.1 Flash-Lite · 1,628 output tokens / case |
| Overall ResultCounted from the protocol-matched rows above | 0 benchmark winsNo overall winner | 0 benchmark winsNo overall winner |
Third-party benchmark Only like-for-like primary-publisher results are shown; raw scores, relative scores, configuration, and token spend remain visible.
Side-by-Side Facts
| Field | Gemini 2.5 Flash | Gemini 3.1 Flash-Lite |
|---|---|---|
| Developer | Google DeepMind | Google DeepMind |
| Family | Gemini 2 5 | Gemini 3 |
| Model | Gemini 2.5 Flash | Gemini 3.1 Flash-Lite |
| Version | Gemini 2.5 Flash | Gemini 3.1 Flash-Lite |
| Lifecycle | active | active |
| Released | Unknown | Unknown |
| Knowledge cutoff | 2025-01-01 | Unknown |
| Input modalities | Text, Image, Video, Audio | Text, Image, Video, Audio, Document |
| Output modalities | Text | Text |
| Context window | 1,049K | 1,049K |
| Total parameters | Unknown | Unknown |
| Active parameters | Unknown | Unknown |
| License | Unknown | Unknown |
| Open weights | No | No |
| API available | Yes | Yes |
| Self-hostable | No | No |
| Provider access | Google AI (Standard), Google Gemini (Standard) | Google AI (Standard), Google Gemini (Standard) |
| Capabilities | chat, generation, reasoning, tools | chat, generation, reasoning, tools |
Gemini 2.5 Flash Capabilities
Gemini 3.1 Flash Lite Capabilities
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Primary Evidence
Sources and Freshness
Questions
Gemini 2.5 Flash vs Gemini 3.1 Flash Lite FAQs
Is Gemini 2.5 Flash or Gemini 3.1 Flash Lite better for coding?+
This comparison does not currently contain a protocol-matched coding benchmark for both Gemini 2.5 Flash and Gemini 3.1 Flash Lite, so Model Markets cannot name a coding leader from pricing, context size, or capability labels alone.
Which is cheaper, Gemini 2.5 Flash or Gemini 3.1 Flash Lite?+
Gemini 2.5 Flash is $0.30 and Gemini 3.1 Flash Lite is $0.25 per million tokens, so Gemini 3.1 Flash Lite is cheaper on this metric. Gemini 2.5 Flash is $2.50 and Gemini 3.1 Flash Lite is $1.50 per million tokens, so Gemini 3.1 Flash Lite is cheaper on this metric.
Which has a larger context window, Gemini 2.5 Flash or Gemini 3.1 Flash Lite?+
Neither model has a larger sourced context window in this comparison. Gemini 2.5 Flash is 1,049K and Gemini 3.1 Flash Lite is 1,049K.
Which performs better in benchmarks, Gemini 2.5 Flash or Gemini 3.1 Flash Lite?+
There is no overall benchmark winner: At least two independently verified, protocol-matched benchmarks are required for an overall winner.
Can Gemini 2.5 Flash or Gemini 3.1 Flash Lite be self-hosted?+
Both models have the same recorded self-hosting status: unsupported. Gemini 2.5 Flash is not marked open weight; Gemini 3.1 Flash Lite is not marked open weight.
Can Gemini 2.5 Flash and Gemini 3.1 Flash Lite understand images?+
Gemini 2.5 Flash is documented with image input; Gemini 3.1 Flash Lite is documented with image input. This reflects supported input modalities, not vision quality.
Which can generate longer answers, Gemini 2.5 Flash or Gemini 3.1 Flash Lite?+
Neither has a larger sourced maximum output. Gemini 2.5 Flash is 66K and Gemini 3.1 Flash Lite is 66K.
Do Gemini 2.5 Flash and Gemini 3.1 Flash Lite support reasoning and tool use?+
Gemini 2.5 Flash: reasoning, tool calling, and image input. Gemini 3.1 Flash Lite: reasoning, tool calling, and image input. Feature support does not establish relative quality.
Which is available from more inference providers, Gemini 2.5 Flash or Gemini 3.1 Flash Lite?+
Gemini 2.5 Flash has 2 sourced provider routes; Gemini 3.1 Flash Lite has 2, a tie.
Which offers better value, Gemini 2.5 Flash or Gemini 3.1 Flash Lite?+
There is no universal value winner. Compare the input and output prices above with the matched benchmark result for your workload: cheaper tokens can be offset by different quality, token usage, latency, or provider availability.