Gemini 3.8 Flash
Google's most intelligent Flash model, engineered for long-horizon software engineering, autonomous agents, and complex enterprise workflows
ECI STANDING#16 of 266
SCORE156.54154.58–161.97 CI
FRONTIER LAGLaunched 6.9 months behindScores about what GPT-5.3 Codex did in February 2026.
SCORES LIKE THESE MODELSQwen 3.8 MaxAlibaba · Aug 2026156.62GPT-5.3 CodexOpenAI · Feb 2026156.58Grok 4.6xAI · Aug 2026156.35Claude Opus 4.7Anthropic · Apr 2026156.34
Full Epoch Capabilities Index ranking ↗From the lab
Launch announcement · Sep 2, 2026Introducing Gemini 3.8 Flash and 3.8 Flash CyberRELEASE DATESep 2, 2026
WEIGHTSClosed weights
CONTEXT WINDOW1.05M
MAX OUTPUT65.5K
REASONINGYes
TOOL CALLINGYes
INPUTStext, image, video, audio, pdf
OUTPUTStext
Specifications from Models.dev. Availability and limits may differ by provider. Benchmark scores come from Epoch AI under CC BY 4.0.