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Gemma 4 26B A4BvsGPT-5.4

GPT-5.4 leads 4 of 4 shared benchmarks. GPT-5.4 has the larger context window (1.1M tokens).

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

Shared benchmarks
0 – 4
GPT-5.4 leads
Cheaper per token
list price, input + output
Larger context
GPT-5.4
1.1M tokens
Provider uptime (30d)
100% · 95.2802%
Google · OpenAI
Gemma 4 26B A4B
Google · released 2026-04-02
textvision
Context
256K
Max out
Input /1M
Output /1M
Cached /1M
Scores
6 · 5 core
GPT-5.4
OpenAI · released 2026-03-05
textvision
Context
1.1M
Max out
128K
Input /1M
$2.5
Output /1M
$15
Cached /1M
$0.25
Scores
21 · 11 core
Quality

Benchmark matrix

BenchmarkGemma 4 26B A4BGPT-5.4ΔEdge
Reported by both · 4
GPQA Diamond82.3% 92.8% -10.5 ptGPT-5.4
AIME 202688.3% 99.2% matharena-10.9 ptGPT-5.4
Humanity's Last Exam (no tools)8.7% 39.8% -31.1 ptGPT-5.4
LMArena Elo1434.5 1452.6 -18.1GPT-5.4
Only Gemma 4 26B A4B reports · 2
MMLU-Pro82.6% not reported
LiveCodeBench v677.1% not reported
Only GPT-5.4 reports · 16
BrowseCompnot reported82.7%
FrontierMath Tier 4 v2 (Epoch AI run)not reported49% epoch
FrontierMath Tiers 1-3 v2 (Epoch AI run)not reported78.6% epoch
GDPval (wins or ties)not reported83%
Humanity's Last Exam (with tools)not reported52.1%
MCP Atlasnot reported67.2%
MMMU-Pro (no tools)not reported81.2%
MMMU-Pro (with tools)not reported82.1%
OSWorld-Verifiednot reported75%
OTIS Mock AIME 2024-2025 (Epoch AI run)not reported97.8% epoch
SimpleQA Verifiednot reported45.1% epoch
SWE-Bench Pronot reported57.7%
SWE-bench Verified (Epoch AI run)not reported76.9% epoch
Tau2-bench Telecomnot reported98.9%
Terminal-Bench 2.0not reported75.1%
Toolathlonnot reported54.6%
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 26B A4B minus GPT-5.4 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 26B A4BGPT-5.4Edge
Context window256K tokens1.1M tokensGPT-5.4
Max output128K tokens
Input price / 1M$2.5
Output price / 1M$15
Cached input / 1M$0.25
Input + output / 1M
Lower is cheaper. List prices; batch, tool and regional fees excluded.
$17.5
Modalitiestext · visiontext · visionTie
Released2026-04-022026-03-05
Cited benchmark scores621
Reliability

Provider status

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

Public benchmarks are a starting point. Run Gemma 4 26B A4B and GPT-5.4 on your own prompts with Respan evals, or route to either through one gateway key with automatic failover.