Gemini 3.1 Flash Lite
Google released 2026-05-07 proprietary
No independent quality score.
No benchmark we track has measured this model. That is not the same as measuring it and finding it wanting — we simply cannot rank it, so we do not.
Every price dimension
| Input | $0.250/M |
|---|---|
| Output | $1.50/M |
| Cached input | $0.025/M |
| Cache write | $0.083/M |
| Reasoning | $1.50/M |
| Web search | $0.014/call |
| Batch discount | 50% |
Reasoning tokens are billed separately at $1.50/M, on top of output. On a reasoning-heavy workload this can be 40% of the bill and it does not appear in the advertised price.
Independent scores
| LMArena Elo | 1414.8preview |
|---|
Sources are listed separately rather than averaged. Across the 62 models both have scored they correlate at r = 0.806 — close agreement overall, but four models rank very differently between them, and a blended score would hide exactly those.
Capability
| Context window | 1.0M |
|---|---|
| Max output | 66K |
| Input modes | text, image, video, file, audio |
| Tool use | yes |
| Reasoning | optional |
| Open weights | no |
Provenance
| Price source | openrouter.ai |
|---|---|
| Fetched | 2026-08-24 |
| Quality data | unrated |
| Cross-checked | vendor page |
Gemini 3.1 Flash Lite is Google’s GA high-efficiency multimodal model optimized for low-latency, high-volume workloads. It supports text, image, video, audio, and PDF inputs, and is designed for lightweight agentic...