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Compare / head-to-head

Gemma 4 31BvsGemma 4 E4B

Gemma 4 31B leads 4 of 4 shared benchmarks. Gemma 4 31B has the larger context window (256K tokens).

Benchmarks from cited public sources; pricing from official pages; status from official provider feeds.

Shared benchmarks
4 – 0
Gemma 4 31B leads
Cheaper per token
list price, input + output
Larger context
Gemma 4 31B
256K tokens
Provider uptime (30d)
100%
Google
Gemma 4 31B
Google · released 2026-04-02
textvision
Context
256K
Max out
Input /1M
Output /1M
Cached /1M
Scores
6 · 5 core
Gemma 4 E4B
Google · released 2026-04-02
textvisionaudio
Context
128K
Max out
Input /1M
Output /1M
Cached /1M
Scores
4 · 3 core
Quality

Benchmark matrix

BenchmarkGemma 4 31BGemma 4 E4BΔEdge
Reported by both · 4
GPQA Diamond84.3% 58.6% +25.7 ptGemma 4 31B
MMLU-Pro85.2% 69.4% +15.8 ptGemma 4 31B
AIME 202689.2% 42.5% +46.7 ptGemma 4 31B
LiveCodeBench v680% 52% +28 ptGemma 4 31B
Only Gemma 4 31B reports · 2
Humanity's Last Exam (no tools)19.5% not reported
LMArena Elo1441.7 not reported
Only Gemma 4 E4B reports · 0
Gemma 4 E4B reports nothing Gemma 4 31B does not.
Scores tagged "epoch" or "matharena" are independent runs, used only where the lab has not published its own; ⚠ marks rows MathArena flags as released after the competition. Higher is better on every row. Δ is Gemma 4 31B minus Gemma 4 E4B in the benchmark's own unit. "Not reported" means the lab has not published that figure; it is not a zero. ↗ opens the source.
Specs & pricing

Side by side

SpecGemma 4 31BGemma 4 E4BEdge
Context window256K tokens128K tokensGemma 4 31B
Max output
Input price / 1M
Output price / 1M
Cached input / 1M
Input + output / 1M
Lower is cheaper. List prices; batch, tool and regional fees excluded.
Modalitiestext · visiontext · vision · audioGemma 4 E4B
Released2026-04-022026-04-02
Cited benchmark scores64
Reliability

Google status

All providers
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Which one wins on your data?

Public benchmarks are a starting point. Run Gemma 4 31B and Gemma 4 E4B on your own prompts with Respan evals, or route to either through one gateway key with automatic failover.