Gemma 4 31B IT
Largest Gemma 4 instruction model for open, self-hosted chat and reasoning
ECI STANDING#91 of 266
SCORE142.66140.48–145.02 CI
FRONTIER LAGLaunched 12.1 months behindScores about what Gemini 2.5 Pro (Mar 2025) did in March 2025.
SCORES LIKE THESE MODELSClaude Opus 4Anthropic · May 2025142.68Qwen3.5-35B-A3BAlibaba · Feb 2026142.53GPT-5.5 InstantOpenAI · May 2026142.5
Full Epoch Capabilities Index ranking ↗Gemini 2.5 Pro (May 2025)Google DeepMind · May 2025142.47
From the lab
Launch announcement · Apr 2, 2026Gemma 4: Byte for byte, the most capable open modelsRELEASE DATEApr 2, 2026
WEIGHTSOpen weights
CONTEXT WINDOW262.1K
MAX OUTPUT32.8K
REASONINGYes
TOOL CALLINGYes
INPUTStext, image
OUTPUTStext
Specifications from Models.dev. Availability and limits may differ by provider. Benchmark scores come from Epoch AI under CC BY 4.0.