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Grok 4.5 vs Gemma 4 26B A4B

At a glance

xAI's Opus-class flagship for frontier coding, agentic tool use, and knowledge work.

89500K ctx$2.00/$6.00 per M#6/92

Efficient Mixture-of-Experts Gemma 4 with only 4B active parameters per token.

262K ctx$0.07/$0.34 per M
Demos
All demos

No shared demos for these models yet.

AI Output
All AI outputs

No captured outputs for these models yet.

Benchmarks
See rankings
Reasoning
CI 86.2-90.3
CodingInsufficient data
Sources:Epoch ECI·Epoch AI·Provider·OpenRouter· as of 2026-07-10
Capability
CapabilityECI88.5
Reasoning & Knowledge
Graduate Science93.4%Factual Recall53.5%
Math
Competition Math97.8%
Agentic
Terminal Tasks83.3%
Reasoning
CodingInsufficient data
AgenticInsufficient data
ReasoningInsufficient data
MathInsufficient data
Sources:OpenRouter
Cheaper95%
Capability
Capability—
Reasoning & Knowledge
Graduate Science—Factual Recall—
Math
Competition Math—
Agentic
Terminal Tasks—
Specs
500K
Context
16K
Max output
Jul 2026
Released
262K
Context
16K
Max output
Apr 2026
Released
Capabilities
Vision
Audio
Reasoning
Vision
Audio
Reasoning
Pricing
Live pricing, shown before you run
Input$2.00/M tokens
Output$6.00/M tokens
Cache read$0.30/M tokens
Web search$0.005/search
Live pricing, shown before you run
Input97%$0.07/M tokens
Output94%$0.34/M tokens
Chat with Grok 4.5Go to model
Chat with Gemma 4 26B A4BGo to model
Frequently Asked Questions: Grok 4.5 vs Gemma 4 26B A4B▼

Which is better, Grok 4.5 or Gemma 4 26B A4B?

▼

Both Grok 4.5 and Gemma 4 26B A4B are capable AI models. The best choice depends on your specific use case: consider pricing, context window, speed, and which capabilities (vision, reasoning, audio) you need.

Which is cheaper, Grok 4.5 or Gemma 4 26B A4B?

▼

Gemma 4 26B A4B has a lower blended cost. Grok 4.5: $2.00 input / $6.00 output. Gemma 4 26B A4B: $0.07 input / $0.34 output.

Which has a larger context window, Grok 4.5 or Gemma 4 26B A4B?

▼

Grok 4.5 has a larger context window: Grok 4.5 supports 500K tokens vs Gemma 4 26B A4B at 262K tokens.

Do both Grok 4.5 and Gemma 4 26B A4B support vision?

▼

Yes, both Grok 4.5 and Gemma 4 26B A4B support vision/image input.

What are the key differences between Grok 4.5 and Gemma 4 26B A4B?

▼

Key differences: Gemma 4 26B A4B is significantly cheaper. Compare full specs on this page.

Which model should I choose for my use case?

▼

If cost is your priority, choose the cheaper option. If you need the highest intelligence for complex tasks, pick the higher-scoring model. For long documents or codebases, choose the larger context window. You can try both Grok 4.5 and Gemma 4 26B A4B for free on idapt.app to see which performs better for your specific needs.

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