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Gemini 3.8 Flash

Google's Flash tier of faster, lower-cost Gemini models, aimed at agents, coding and high-volume use.

  • Google
  • Closed
  • Released 2 Sep 2026

Official page

Where it ranks

Facts

Vendor
Google
Family
Gemini Flash
Released
2 Sep 2026
Weights
Closed: API and apps only
License
proprietary
API price
$0.75 in / $3.75 out per 1M tokens
Access
Free tier available
Last verified
18 Oct 2026

Price from ai.google.dev, 18 Oct 2026.

Benchmark results

BenchmarkResultEntry on the leaderboardAs ofSource
Artificial Analysis Intelligence Index41Gemini 3.8 Flash (High)
Raw value from the page's embedded model data; the site displays it rounded to an integer.
18 Oct 2026artificialanalysis.ai
Artificial Analysis MMMU-Pro (independent evaluation)85.6%Gemini 3.8 Flash (High)
Raw fraction 0.8561 from the model data embedded in https://artificialanalysis.ai/leaderboards/models, converted to percent; rank 9 of 124 entries with an MMMU-Pro result; no last-updated date shown.
19 Oct 2026artificialanalysis.ai
AutomationBench-AA (Artificial Analysis)59.9%Gemini 3.8 Flash (High)
AutomationBench-AA Score (share of each task's objectives completed, a task with any guardrail violation scoring zero); raw value from the page's embedded model data (displayed rounded); rank 18 of 32; Tasks Completed 32.12%, Objectives Completed 75.66%; no last-updated date shown, so as_of = retrieval date.
19 Oct 2026artificialanalysis.ai
Design Arena Python-PPTX Slides1,179Gemini 3.8 Flash
815 battles. Read from the site's own API (page renders client-side).
18 Oct 2026designarena.ai
Design Arena SVG1,294Gemini 3.8 Flash
Design Arena SVG, rank 14, 2209 battles; rows read from POST https://www.designarena.ai/api/leaderboard (arenaType 'models', category 'svg'); names from https://www.designarena.ai/api/registry
19 Oct 2026designarena.ai
EQ-Bench Creative Writing v31,748gemini-3.8-flash
Elo score from the leaderboard data embedded in https://eqbench.com/creative_writing.js (file last modified 2026-09-24); rank 30 of 140; rubric score 16.54. Marked as a new entry on the board.
24 Sep 2026eqbench.com
LMArena Text Arena (overall, style control)1,496Gemini 3.8 Flash (High)
From LMArena's official leaderboard-dataset (text_style_control, split latest, category overall, published 2026-10-15), which mirrors https://arena.ai/leaderboard/text (site blocks automated fetches).
15 Oct 2026huggingface.co
LMArena Text Arena: Creative Writing (style control)1,487Gemini 3.8 Flash (High)
From LMArena's official leaderboard-dataset (text_style_control, split latest, category creative_writing, published 2026-10-15), which mirrors https://arena.ai/leaderboard/text/creative-writing (site blocks automated fetches). Rank 7 of 414; 8232 votes; 95% CI 1479.0-1494.9.
15 Oct 2026huggingface.co
LMArena Vision Arena (overall, style control)1,289gemini-3.8-flash-high
From LMArena's official leaderboard-dataset (vision_style_control, split latest, category overall, published 2026-10-09), which mirrors https://arena.ai/leaderboard/vision (site blocks automated fetches). Rank 14 of 165; 3792 votes; 95% CI 1278.5-1299.7.
9 Oct 2026huggingface.co
LMArena WebDev / Code Arena (overall)1,586Gemini 3.8 Flash (High)
From LMArena's official leaderboard-dataset (webdev = Code Arena, split latest, category overall, published 2026-10-18), which mirrors https://arena.ai/leaderboard/webdev. Rank 33; 10730 votes; 95% CI 1578.3-1593.1.
18 Oct 2026huggingface.co
ParseBench (models)72.1%Google Gemini 3.8 Flash (Thinking High)
Overall (mean of tables, charts, content faithfulness, semantic formatting, visual grounding) from leaderboard.csv in the ParseBench repo (last leaderboard commit 2026-10-09). Best of three thinking levels.
9 Oct 2026github.com
SWE-Bench Pro V2 (public set, full)94.9%Gemini 3.8 Flash (mini-swe-agent) high
SWE-Bench Pro V2 Full (642 tasks); row added 2026-10-07; 95% CI +/-1.46; harness in the variant name; read from the leaderboard page's embedded data.
19 Oct 2026labs.scale.com

Where you can use it

Earlier versions

  • Gemini 3.7 Flash · 13 Aug 2026
  • Gemini 3.6 Flash · 21 Jul 2026
  • Gemini 3.5 Flash · 19 May 2026

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Alternatives to Gemini 3.8 Flash

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