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Gemma 3 4B vs Grok-3 Mini

Grok-3 Mini significantly outperforms across most benchmarks. Gemma 3 4B is 14.0x cheaper per token.

Google · xAI · Updated for 2026

Which is better?

Gemma 3 4B outperforms in 0 benchmarks, while Grok-3 Mini is better at 2 benchmarks (GPQA, LiveCodeBench). Grok-3 Mini significantly outperforms across most benchmarks.

On price, Gemma 3 4B is roughly 14.0x cheaper per token on a blended 3:1 input/output basis, which adds up quickly at production volume.

Gemma 3 4B also accepts a larger context window (131,072 input tokens), making it the stronger choice for long documents and large codebases.

Based on current benchmark, pricing, and model metadata for 2026.

Choose Gemma 3 4B

  • cost matters — it's about 14.0x cheaper per token
  • you process long inputs — it offers a 131,072 token context window
  • you want the most recent training data — it shipped Mar 2025
  • you need open weights you can self-host or fine-tune

Choose Grok-3 Mini

  • you want the strongest raw capability — it leads on 2 of 2 shared benchmarks

At a glance

The differences that matter most.

Gemma 3 4B
Google
Grok-3 Mini
xAI
Benchmark wins
0 of 2
2 of 2
Input price
$0.02 / M
$0.30 / M
Output price
$0.04 / M
$0.50 / M
Context window
131,072
128,000
Released
Mar 2025
Feb 2025
License
Gemma
Proprietary

Performance Benchmarks

Comparative analysis across standard metrics

2 benchmarks

Gemma 3 4B outperforms in 0 benchmarks, while Grok-3 Mini is better at 2 benchmarks (GPQA, LiveCodeBench).

Grok-3 Mini significantly outperforms across most benchmarks.

Wed Aug 26 2026 • llm-stats.com

Arena Performance

Playground indexes and blind preference scores

Pricing Analysis

Price comparison per million tokens

Gemma 3 4B costs less

For input processing, Gemma 3 4B ($0.02/1M tokens) is 15.0x cheaper than Grok-3 Mini ($0.30/1M tokens).

For output processing, Gemma 3 4B ($0.04/1M tokens) is 12.5x cheaper than Grok-3 Mini ($0.50/1M tokens).

In conclusion, Grok-3 Mini is more expensive than Gemma 3 4B.*

* Using a 3:1 ratio of input to output tokens

Lowest available price from all providers
Wed Aug 26 2026 • llm-stats.com
Google
Gemma 3 4B
Input tokens$0.02
Output tokens$0.04
Best providerDeepinfra
xAI
Grok-3 Mini
Input tokens$0.30
Output tokens$0.50
Best providerxAI
Notice missing or incorrect data?Start an Issue→

Context Window

Maximum input and output token capacity

Gemma 3 4B accepts 131,072 input tokens compared to Grok-3 Mini's 128,000 tokens. Gemma 3 4B can generate longer responses up to 131,072 tokens, while Grok-3 Mini is limited to 8,000 tokens.

Google
Gemma 3 4B
Input131,072 tokens
Output131,072 tokens
xAI
Grok-3 Mini
Input128,000 tokens
Output8,000 tokens
Wed Aug 26 2026 • llm-stats.com

Input Capabilities

Supported data types and modalities

Both Gemma 3 4B and Grok-3 Mini support multimodal inputs.

They are both capable of processing various types of data, offering versatility in application.

Gemma 3 4B

Text
Images
Audio
Video

Grok-3 Mini

Text
Images
Audio
Video

License

Usage and distribution terms

Gemma 3 4B is licensed under Gemma, while Grok-3 Mini uses a proprietary license.

License differences may affect how you can use these models in commercial or open-source projects.

Gemma 3 4B

Gemma

Open weights

Grok-3 Mini

Proprietary

Closed source

Release Timeline

When each model was launched

Gemma 3 4B was released on 2025-03-12, while Grok-3 Mini was released on 2025-02-17.

Gemma 3 4B is 1 month newer than Grok-3 Mini.

Gemma 3 4B

Mar 12, 2025

1.5 years ago

3w newer
Grok-3 Mini

Feb 17, 2025

1.5 years ago

Knowledge Cutoff

When training data ends

Gemma 3 4B has a knowledge cutoff of 2024-08-01, while Grok-3 Mini has a cutoff of 2024-11-17.

Grok-3 Mini has more recent training data (up to 2024-11-17), making it potentially better informed about events through that date compared to Gemma 3 4B (2024-08-01).

Gemma 3 4B

Aug 2024

Grok-3 Mini

Nov 2024

3 mo newer

Provider Availability

Gemma 3 4B is available from DeepInfra. Grok-3 Mini is available from xAI.

Gemma 3 4B

deepinfra logo
Deepinfra
Input Price:Input: $0.02/1MOutput Price:Output: $0.04/1M

Grok-3 Mini

xai logo
xAI
Input Price:Input: $0.30/1MOutput Price:Output: $0.50/1M
* Prices shown are per million tokens

Outputs Comparison

Notice missing or incorrect data?Start an Issue discussion→

Judge for yourself.

Run your own prompts against Gemma 3 4B and Grok-3 Mini side-by-side, then vote on the output you prefer.

Gemma 3 4B
✓ Preferred
Grok-3 Mini
Open in Playground

FAQ

Common questions about Gemma 3 4B vs Grok-3 Mini.

Which is better, Gemma 3 4B or Grok-3 Mini?

Grok-3 Mini significantly outperforms across most benchmarks. Gemma 3 4B is made by Google and Grok-3 Mini is made by xAI. The best choice depends on your use case — compare their benchmark scores, pricing, and capabilities above.

How does Gemma 3 4B compare to Grok-3 Mini in benchmarks?

Gemma 3 4B scores IFEval: 90.2%, GSM8k: 89.2%, DocVQA: 75.8%, MATH: 75.6%, AI2D: 74.8%. Grok-3 Mini scores AIME 2024: 95.8%, AIME 2025: 90.8%, GPQA: 84.0%, LiveCodeBench: 80.4%.

Is Gemma 3 4B cheaper than Grok-3 Mini?

Gemma 3 4B is 15.0x cheaper for input tokens. Gemma 3 4B costs $0.02/M input and $0.04/M output via deepinfra. Grok-3 Mini costs $0.30/M input and $0.50/M output via xai.

What are the context window sizes for Gemma 3 4B and Grok-3 Mini?

Gemma 3 4B supports 131K tokens and Grok-3 Mini supports 128K tokens. A larger context window lets you process longer documents, conversations, or codebases in a single request.

What are the main differences between Gemma 3 4B and Grok-3 Mini?

Key differences include context window (131K vs 128K), input pricing ($0.02 vs $0.30/M), licensing (Gemma vs Proprietary). See the full comparison above for benchmark-by-benchmark results.

Who makes Gemma 3 4B and Grok-3 Mini?

Gemma 3 4B is developed by Google and Grok-3 Mini is developed by xAI.

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