LLM Comparison

Gemma 4 26B A4B vs GPT-5.5

Side-by-side specs, pricing & capabilities · Updated October 2026

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2/6 models
Same tier:
 GoogleGemma 4 26B A4BOpenAIGPT-5.5
OrganizationGoogleGoogleOpenAIOpenAI
OpenTools Score
45
85
4.9
FamilyGemmaGPT
StatusCurrentCurrent
Release DateApr 2026Apr 2026
Context Window262K tokens1.1M tokens
Input Price—$5.00/M tokens
Output Price—$30.00/M tokens
Pricing NotesFree tier available on OpenRouter with rate limitsCached input: $0.50/M tokens. Long context (>272K tokens): 2x input, 1.5x output. Batch API: 50% discount. Priority: 2.5x standard.
Capabilities
textvisionvideocode
textvisioncodetool-useextended-thinkingcomputer-useweb-search
Training Cutoff—Dec 01, 2025
Max Output33K tokens128K tokens
API Identifiergoogle/gemma-4-26b-a4b-it:freeopenai/gpt-5.5
Benchmarks
GPQA Diamond
79.1919artificial-analysis
93.6openai
Terminal-Bench 2.1
38.9513artificial-analysis
84.2697artificial-analysis
MMLU—
92.4openai
ARC-AGI-2—
85openai
Terminal-Bench 2.0—
82.7openai
SWE-bench Pro—
58.6openai
OSWorld-Verified—
78.7openai
BrowseComp—
84.4openai
MMMU-Pro—
81.2openai
FrontierMath Tier 4—
35.4openai
HLE (with tools)—
52.2openai
GDPval—
84.9openai
Toolathlon—
55.6openai
CyberGym—
81.8openai
MRCR v2 512K-1M—
74openai
Artificial Analysis Intelligence Index v4.3—
38.6292artificial-analysis
SciCode—
55.787artificial-analysis
 View Gemma 4 26B A4BView GPT-5.5

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