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Compare / head-to-head

Gemma 4 E4BvsGPT-5.1

GPT-5.1 leads 1 of 1 shared benchmark. GPT-5.1 has the larger context window (400K tokens).

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

Shared benchmarks
0 – 1
GPT-5.1 leads
Cheaper per token
list price, input + output
Larger context
GPT-5.1
400K tokens
Provider uptime (30d)
100% · 94.2446%
Google · OpenAI
Gemma 4 E4B
Google · released 2026-04-02
textvisionaudio
Context
128K
Max out
Input /1M
Output /1M
Cached /1M
Scores
4 · 3 core
GPT-5.1
OpenAI · released 2025-11-13
textvision
Context
400K
Max out
128K
Input /1M
$1.25
Output /1M
$10
Cached /1M
$0.125
Scores
6 · 6 core
Quality

Benchmark matrix

BenchmarkGemma 4 E4BGPT-5.1ΔEdge
Reported by both · 1
GPQA Diamond58.6% 87.6% epoch-29 ptGPT-5.1
Only Gemma 4 E4B reports · 3
MMLU-Pro69.4% not reported
AIME 202642.5% not reported
LiveCodeBench v652% not reported
Only GPT-5.1 reports · 5
AIME 2025not reported94.2% matharena
LMArena Elonot reported1422.6
OTIS Mock AIME 2024-2025 (Epoch AI run)not reported88.6% epoch
SimpleQA Verifiednot reported48% epoch
SWE-bench Verified (Epoch AI run)not reported68% epoch
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 E4B minus GPT-5.1 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 E4BGPT-5.1Edge
Context window128K tokens400K tokensGPT-5.1
Max output128K tokens
Input price / 1M$1.25
Output price / 1M$10
Cached input / 1M$0.125
Input + output / 1M
Lower is cheaper. List prices; batch, tool and regional fees excluded.
$11.25
Modalitiestext · vision · audiotext · visionGemma 4 E4B
Released2026-04-022025-11-13
Cited benchmark scores46
Reliability

Provider status

All providers
Built by Respan
Which one wins on your data?

Public benchmarks are a starting point. Run Gemma 4 E4B and GPT-5.1 on your own prompts with Respan evals, or route to either through one gateway key with automatic failover.