Glimmer Index
Plus $4/mo

Gemma 4 31B IT

Google · Released Apr 2, 2026 · Open weights

Largest Gemma 4 instruction model for open, self-hosted chat and reasoning

Strongest at
Math
Top 44% of the past year's models · one benchmark so far
Price per 1M tokens
$0.2 / $0.4
input / output · OpenRouter
Context window
262.1K
tokens in · 32.8K out
Since the last one
386 days
after Gemma 3 4B IT
Lab announcement ↗Open in the timeline

Capability profile

Scored against 91 models released in the past year. 50 is the average model; further out is better.

This modelGemma 3 4B ITMedian of the past year
5090Median of the past yearWriting: 54 · Better than 42%Math: 58 · Top 44%Science: 57 · Better than 20%Gemma 3 4B IT: 38WritingMathScience
Writing54+15.8Better than 42%
Math58Top 44% · 1 test
Science57Better than 20% · 1 test

No results yet: Coding, Reading & documents, Reasoning, Visual reasoning, Computer use

Where these scores come from

Each capability combines the published benchmarks listed here, rescaled so 50 is the reference average and 15 points is one standard deviation. A hollow dot rests on a single benchmark.

Price against capability

The shaded corner holds anything better and cheaper. Prices blend input and output 3 to 1.

3 models from the past year score higher on Math for less: Claude Haiku 5.5, GPT-6 Luna, DeepSeek V4.1 Flash.

$0.1$0.3$1$3$10$3020406080GPT-6.1 Terra: 76, $2 per 1MDeepSeek V4.1 Flash 1017: 63, $0.52 per 1MMuse Spark Open: 60, $2 per 1MClaude Haiku 5.5: 66, $0.2 per 1MMistral Large 4: 54, $2.06 per 1MGemini 4 Argon: 75, $4 per 1MGPT-6.1 Sol: 78, $4 per 1MClaude Sonnet 5.5: 75, $4 per 1MGPT-6 Sol: 74, $4 per 1MGPT-6 Luna: 63, $0.2 per 1MClaude Opus 5.5: 77, $8 per 1MGrok 4.7: 55, $3 per 1MDeepSeek V4.1 Flash: 60, $0.21 per 1MGPT-6 Astra: 78, $20 per 1MMuse Spark 1.3: 65, $2 per 1MGemini 3.8 Flash: 58, $1.5 per 1MClaude Fable 5.1: 76, $20 per 1MGLM-5.3-Flash: 47, $0.24 per 1MDeepSeek V4 Flash Vision Exp: 48, $0.32 per 1MQwen3.8 27B: 42, $1.12 per 1MGLM-5.3: 56, $2.15 per 1MGemini 3.7 Flash: 62, $1.5 per 1MDeepSeek V4 Pro 0813: 60, $0.99 per 1MGrok 4.6: 60, $3 per 1MMuse Spark 1.2: 56, $2 per 1MQwen3.8 Max: 62, $3 per 1MDeepSeek V4 Flash 0731: 55, $0.15 per 1MClaude Opus 5: 73, $10 per 1MGemini 3.6 Flash: 52, $1.5 per 1MGemini 3.5 Flash Lite: 35, $0.85 per 1MKimi K3: 61, $6 per 1MQwen3.7 Flash: 48, $0.055 per 1MGPT-5.6 Terra: 70, $4.5 per 1MGPT-5.6 Sol: 73, $8 per 1MGPT-5.6 Luna: 63, $0.45 per 1MGrok 4.5: 55, $3 per 1MClaude Sonnet 5: 62, $4 per 1MGLM-5.2: 54, $2.15 per 1MKimi K2.7 Code: 46, $1.71 per 1MClaude Fable 5: 75, $20 per 1MQwen3.7 Plus: 54, $0.7 per 1MClaude Opus 4.8: 67, $10 per 1MQwen3.7 Max: 53, $3.75 per 1MGemini 3.5 Flash: 54, $3.38 per 1MGPT-5.5 Instant: 42, $11.2 per 1MDeepSeek V4 Pro: 49, $1.19 per 1MDeepSeek V4 Flash: 27, $0.18 per 1MGPT-5.5 Pro: 72, $67.5 per 1MGPT-5.5: 68, $11.2 per 1MQwen3.6 27B: 45, $1.35 per 1MKimi K2.6: 49, $1.71 per 1MGrok 4.3: 39, $1.56 per 1MGrok Build 0.1: 23, $1.25 per 1MClaude Opus 4.7: 60, $10 per 1MQwen3.6 35B-A3B: 49, $0.84 per 1MMuse Spark 1.1: 50, $2 per 1MGLM-5.1: 51, $2.15 per 1MQwen3.6 Plus: 37, $1.12 per 1MGPT-5.4 nano: 48, $0.46 per 1MGPT-5.4 mini: 44, $1.69 per 1MGPT-5.4 Pro: 67, $67.5 per 1MGPT-5.4: 64, $5.62 per 1MGemini 3.1 Flash Lite: 49, $0.56 per 1MQwen3.5 Flash: 47, $0.18 per 1MQwen3.5 9B: 53, $0.19 per 1MQwen3.5 35B-A3B: 56, $0.69 per 1MGemini 3.1 Pro Preview: 55, $4.5 per 1MClaude Sonnet 4.6: 54, $6 per 1MQwen3.5 Plus: 63, $0.9 per 1MQwen3.5 397B-A17B: 52, $1.35 per 1MGLM-5: 60, $1.55 per 1MClaude Opus 4.6: 57, $10 per 1MGLM-4.7: 48, $1 per 1MGemini 3 Flash Preview: 50, $1.12 per 1MGPT-5.2 Pro: 61, $57.8 per 1MGPT-5.2 Codex: 51, $4.81 per 1MGPT-5.2: 54, $4.81 per 1MDeepSeek V3.2: 64, $0.32 per 1MClaude Opus 4.5: 51, $10 per 1MGPT-5.1 Codex Max: 37, $3.44 per 1MGPT-5.1: 64, $3.44 per 1MGemma 4 31B IT: 58, $0.25 per 1MGemma 4 31B ITPrice per 1M tokens →↑ Math$0.1$1$1020406080GPT-6.1 Terra: 76, $2 per 1MDeepSeek V4.1 Flash 1017: 63, $0.52 per 1MMuse Spark Open: 60, $2 per 1MClaude Haiku 5.5: 66, $0.2 per 1MMistral Large 4: 54, $2.06 per 1MGemini 4 Argon: 75, $4 per 1MGPT-6.1 Sol: 78, $4 per 1MClaude Sonnet 5.5: 75, $4 per 1MGPT-6 Sol: 74, $4 per 1MGPT-6 Luna: 63, $0.2 per 1MClaude Opus 5.5: 77, $8 per 1MGrok 4.7: 55, $3 per 1MDeepSeek V4.1 Flash: 60, $0.21 per 1MGPT-6 Astra: 78, $20 per 1MMuse Spark 1.3: 65, $2 per 1MGemini 3.8 Flash: 58, $1.5 per 1MClaude Fable 5.1: 76, $20 per 1MGLM-5.3-Flash: 47, $0.24 per 1MDeepSeek V4 Flash Vision Exp: 48, $0.32 per 1MQwen3.8 27B: 42, $1.12 per 1MGLM-5.3: 56, $2.15 per 1MGemini 3.7 Flash: 62, $1.5 per 1MDeepSeek V4 Pro 0813: 60, $0.99 per 1MGrok 4.6: 60, $3 per 1MMuse Spark 1.2: 56, $2 per 1MQwen3.8 Max: 62, $3 per 1MDeepSeek V4 Flash 0731: 55, $0.15 per 1MClaude Opus 5: 73, $10 per 1MGemini 3.6 Flash: 52, $1.5 per 1MGemini 3.5 Flash Lite: 35, $0.85 per 1MKimi K3: 61, $6 per 1MQwen3.7 Flash: 48, $0.055 per 1MGPT-5.6 Terra: 70, $4.5 per 1MGPT-5.6 Sol: 73, $8 per 1MGPT-5.6 Luna: 63, $0.45 per 1MGrok 4.5: 55, $3 per 1MClaude Sonnet 5: 62, $4 per 1MGLM-5.2: 54, $2.15 per 1MKimi K2.7 Code: 46, $1.71 per 1MClaude Fable 5: 75, $20 per 1MQwen3.7 Plus: 54, $0.7 per 1MClaude Opus 4.8: 67, $10 per 1MQwen3.7 Max: 53, $3.75 per 1MGemini 3.5 Flash: 54, $3.38 per 1MGPT-5.5 Instant: 42, $11.2 per 1MDeepSeek V4 Pro: 49, $1.19 per 1MDeepSeek V4 Flash: 27, $0.18 per 1MGPT-5.5 Pro: 72, $67.5 per 1MGPT-5.5: 68, $11.2 per 1MQwen3.6 27B: 45, $1.35 per 1MKimi K2.6: 49, $1.71 per 1MGrok 4.3: 39, $1.56 per 1MGrok Build 0.1: 23, $1.25 per 1MClaude Opus 4.7: 60, $10 per 1MQwen3.6 35B-A3B: 49, $0.84 per 1MMuse Spark 1.1: 50, $2 per 1MGLM-5.1: 51, $2.15 per 1MQwen3.6 Plus: 37, $1.12 per 1MGPT-5.4 nano: 48, $0.46 per 1MGPT-5.4 mini: 44, $1.69 per 1MGPT-5.4 Pro: 67, $67.5 per 1MGPT-5.4: 64, $5.62 per 1MGemini 3.1 Flash Lite: 49, $0.56 per 1MQwen3.5 Flash: 47, $0.18 per 1MQwen3.5 9B: 53, $0.19 per 1MQwen3.5 35B-A3B: 56, $0.69 per 1MGemini 3.1 Pro Preview: 55, $4.5 per 1MClaude Sonnet 4.6: 54, $6 per 1MQwen3.5 Plus: 63, $0.9 per 1MQwen3.5 397B-A17B: 52, $1.35 per 1MGLM-5: 60, $1.55 per 1MClaude Opus 4.6: 57, $10 per 1MGLM-4.7: 48, $1 per 1MGemini 3 Flash Preview: 50, $1.12 per 1MGPT-5.2 Pro: 61, $57.8 per 1MGPT-5.2 Codex: 51, $4.81 per 1MGPT-5.2: 54, $4.81 per 1MDeepSeek V3.2: 64, $0.32 per 1MClaude Opus 4.5: 51, $10 per 1MGPT-5.1 Codex Max: 37, $3.44 per 1MGPT-5.1: 64, $3.44 per 1MGemma 4 31B IT: 58, $0.25 per 1MGemma 4 31B ITPrice per 1M tokens →↑ Math

OpenRouter $0.2 / $0.4

Since Gemma 3 4B IT

6 releases in the Gemma line.

Gemma 2 2B ITJul 31, 2024224dGemma 3 12B ITMar 12, 20250dGemma 3 27B ITMar 12, 20250dGemma 3 4B ITMar 12, 2025386dGemma 4 31B ITApr 2, 202668dGemma 4 12B ITJun 9, 2026
Released386 days later
Price in / out$0.2 / $0.4+300%
Context262.1K2.0×
Writing54+15.8

A newer release is out: Gemma 4 12B IT.

ECI STANDING#102 of 270
SCORE142.99140.34–145.75 CI
FRONTIER LAGLaunched 12.1 months behindScores about what Gemini 2.5 Pro (Mar 2025) did in March 2025.
SCORES LIKE THESE MODELS
Gemini 2.5 Flash (Sep 2025)Google DeepMind · Sep 2025142.9
Qwen 3.6 FlashAlibaba · Apr 2026142.89Claude Opus 4Anthropic · May 2025142.52Qwen3.5-35B-A3BAlibaba · Feb 2026142.49
Full Epoch Capabilities Index ranking ↗

Epoch benchmark boards

Best result on each board it has run. The tick marks the leader.

WeirdML
52%#51 of 141
DTBench
83%#72 of 179
OTIS Mock AIME 2024-2025
73%#98 of 216
Surface Evolver Bench
31%#21 of 26
SimpleQA Verified
10%#83 of 85

Google's past year

37 release days in the past year, about one every 10 days. The next is expected around Nov 3, 2026. Forecasts ↗

NovDecJanFebMarAprMayJunJulAugSepOctNov

Specifications

RELEASE DATEApr 2, 2026
WEIGHTSOpen weights
CONTEXT WINDOW262.1K
MAX OUTPUT32.8K
REASONINGNot listed
TOOL CALLINGNot listed
INPUTStext, image/png, image/jpeg, image/webp, image/heic, image/heif
OUTPUTStext

Models.dev record ↗

Specifications and prices from Models.dev; availability and limits may differ by provider. Benchmarks from Epoch AI (CC BY 4.0), LiveBench and the other sources named above.