Gemini 3.1 Flash Lite Preview

Google DeepMind
Gemini 3.1 Flash Lite Preview launch post cover

Cost/1M tokens

input
$0.25
cached
$0.025
output
$1.50
cache write
$0.0833
Context
1Mtokens
Released
8mo ago

Benchmarks

DeepSWE is the primary coding benchmark where an exact model evaluation exists. Arena leaderboards and other sourced evaluations appear below; missing scores are not zero.

How it ranks

Against its predecessor, similarly priced models and the models ranked around it.

DeepSWE 1.1

Best pass@1 per model · Higher is better

Not evaluated in DeepSWE 1.1

Arena Text

Best Arena rating per model · Higher is better

Arena #113

  1. 1480
    MiMo-V2.6-ProSimilar price
  2. 1475
    DeepSeek V4.1 FlashSimilar price
  3. 1455
    Qwen3.7 PlusSimilar price
  4. 1436
    MiniMax M3Similar price
  5. 1434
    MiMo-V2.5Nearby rank
  6. 1433
    Qwen3.8 27BNearby rank
  7. 1433
    Gemini 3.1 Flash Lite Preview
  8. 1432
    o3Nearby rank
  9. 1431
  10. 1379

+54 vs Gemini 2.5 Flash-Lite Preview 09-2025 (predecessor) · Ahead of 0 of 4 similarly priced models

Arena WebDev

Best Arena rating per model · Higher is better

Arena #142

  1. 1624
    MiMo-V2.6-ProSimilar price
  2. 1621
    DeepSeek V4.1 FlashSimilar price
  3. 1590
    Qwen3.8 27BSimilar price
  4. 1484
    MiniMax M3Similar price
  5. 1270
  6. 1263
  7. 1256
    Gemini 3.1 Flash Lite Preview
  8. 1253
    Qwen3.5-35B-A3BNearby rank
  9. 1245

Ahead of 0 of 4 similarly priced models

Arena Vision

Best Arena rating per model · Higher is better

Arena #69

  1. 1263
    DeepSeek V4.1 FlashSimilar price
  2. 1262
    Qwen3.7 PlusSimilar price
  3. 1247
    MiMo-V2.6-ProSimilar price
  4. 1242
    Grok 4.3Nearby rank
  5. 1235
    GPT-6 LunaNearby rank
  6. 1235
    Gemini 3.1 Flash Lite Preview
  7. 1234
    MiMo-V2.5Nearby rank
  8. 1232
    MiniMax M3Similar price
  9. 1174

+60 vs Gemini 2.5 Flash-Lite Preview 09-2025 (predecessor) · Ahead of 0 of 4 similarly priced models

Arena Search

Best Arena rating per model · Higher is better

Not ranked on Arena Search yet

Arena Document

Best Arena rating per model · Higher is better

Not ranked on Arena Document yet

Agent Arena

Best IPS score per model · Higher is better

Not ranked on Agent Arena yet

Not evaluated in DeepSWE 1.1 as of 2026-09-22. Results are only shown for exact model versions in the official dataset. Official leaderboard.

All published scores

Arena ratings: Arena (lmarena-ai/leaderboard-dataset), licensed CC BY 4.0. Ratings come from pairwise human votes and are only comparable within one leaderboard; the interval is Arena's 95% confidence interval. Model names are matched to the Vertical Tabs catalog.

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