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Gemini 3.1 Flash Image vs Grok Imagine Image

Comparing Gemini 3.1 Flash Image and Grok Imagine Image across benchmarks, pricing, and capabilities.

Google · xAI · Updated for 2026

Which is better?

Gemini 3.1 Flash Image and Grok Imagine Image trade strengths across price, capabilities, and technical limits. The better choice depends on the workload.

Gemini 3.1 Flash Image also accepts a larger context window (65,536 input tokens), making it the stronger choice for long documents and large codebases.

Based on current LLM Stats indexes, shared benchmarks, pricing, and model metadata for 2026.

Choose Gemini 3.1 Flash Image

  • you process long inputs — it offers a 65,536 token context window
  • you want the most recent training data — it shipped Feb 2026

Choose Grok Imagine Image

  • you are already invested in the xAI ecosystem

At a glance

The differences that matter most.

Gemini 3.1 Flash Image
Google
Grok Imagine Image
xAI
Benchmark wins
—
—
Input price
$0.50 / M
— / M
Output price
$30.00 / M
— / M
Context window
65,536
10,000

Human preference

Human preference votes

License

Usage and distribution terms

Both models are licensed under proprietary licenses.

Both models have usage restrictions defined by their respective organizations.

Gemini 3.1 Flash Image

Proprietary

Closed source

Grok Imagine Image

Proprietary

Closed source

Release Timeline

When each model was launched

Gemini 3.1 Flash Image was released on 2026-02-26, while Grok Imagine Image was released on 2026-01-28.

Gemini 3.1 Flash Image is 1 month newer than Grok Imagine Image.

Gemini 3.1 Flash Image

Feb 26, 2026

6 months ago

4w newer
Grok Imagine Image

Jan 28, 2026

7 months ago

Provider Availability

Gemini 3.1 Flash Image is available from Google. Grok Imagine Image is available from xAI.

Gemini 3.1 Flash Image

google logo
Google
Input Price:Input: $0.50/1MOutput Price:Output: $30.00/1M

Grok Imagine Image

xai logo
xAI
* 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 Gemini 3.1 Flash Image and Grok Imagine Image side-by-side, then vote on the output you prefer.

Gemini 3.1 Flash Image
✓ Preferred
Grok Imagine Image
Open in Playground

FAQ

Common questions about Gemini 3.1 Flash Image vs Grok Imagine Image.

Which is better, Gemini 3.1 Flash Image or Grok Imagine Image?

Gemini 3.1 Flash Image (Google) and Grok Imagine Image (xAI) each have strengths in different areas. Compare their benchmark scores, pricing, context windows, and capabilities above to determine which fits your needs.

What are the context window sizes for Gemini 3.1 Flash Image and Grok Imagine Image?

Gemini 3.1 Flash Image supports 66K tokens and Grok Imagine Image supports 10K tokens. A larger context window lets you process longer documents, conversations, or codebases in a single request.

What are the main differences between Gemini 3.1 Flash Image and Grok Imagine Image?

Key differences include context window (66K vs 10K). See the full comparison above for benchmark-by-benchmark results.

Who makes Gemini 3.1 Flash Image and Grok Imagine Image?

Gemini 3.1 Flash Image is developed by Google and Grok Imagine Image is developed by xAI.

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