The AI arena is free today

Open Superagent

Gemini 3.1 Flash-Lite vs Grok 4.7

Grok 4.7 leads the LLM Stats Score 48.5 to 30.9. Gemini 3.1 Flash-Lite is 5.3x cheaper per token.

Google · xAI · Updated for 2026

Which is better?

Grok 4.7 leads the overall LLM Stats Score 48.5 to 30.9, ranking #23 overall.

On price, Gemini 3.1 Flash-Lite is roughly 5.3x cheaper per token on a blended 3:1 input/output basis, which adds up quickly at production volume.

Gemini 3.1 Flash-Lite also accepts a larger context window (1,000,000 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-Lite

  • cost matters — it's about 5.3x cheaper per token
  • you process long inputs — it offers a 1,000,000 token context window

Choose Grok 4.7

  • overall performance matters — it scores 48.5 and ranks #23 on LLM Stats
  • your work emphasizes reasoning and agents — it leads those capability indexes
  • you want the most recent training data — it shipped Sep 2026

At a glance

The differences that matter most.

Gemini 3.1 Flash-Lite
Google
Grok 4.7
xAI
Core performance indexes
LLM Stats Score
30.9
#117
48.5
#23
Reasoning
31.3
#112
37.4
#69
Agents
10.7
#117
36.1
#19
Cost, coverage & limits
Benchmark wins
—
—
Input price
$0.25 / M
$2.00 / M
Output price
$1.50 / M
$6.00 / M
Context window
1,000,000
500,000

Individual benchmarks

11 reported for Gemini 3.1 Flash-Lite · 23 for Grok 4.7

No common benchmarks found

Gemini 3.1 Flash-Lite and Grok 4.7don't have any common benchmark datasets to compare. They may have been evaluated on different testing suites.

Human preference

Blind head-to-head votes and playground preference scores

Pricing Analysis

Price comparison per million tokens

Gemini 3.1 Flash-Lite costs less

For input processing, Gemini 3.1 Flash-Lite ($0.25/1M tokens) is 8.0x cheaper than Grok 4.7 ($2.00/1M tokens).

For output processing, Gemini 3.1 Flash-Lite ($1.50/1M tokens) is 4.0x cheaper than Grok 4.7 ($6.00/1M tokens).

In conclusion, Grok 4.7 is more expensive than Gemini 3.1 Flash-Lite.*

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

Lowest available price from all providers
Tue Sep 22 2026 • llm-stats.com
Google
Gemini 3.1 Flash-Lite
Input tokens$0.25
Output tokens$1.50
Best providerDeepinfra
xAI
Grok 4.7
Input tokens$2.00
Output tokens$6.00
Best providerxAI
Notice missing or incorrect data?Start an Issue→

Context Window

Maximum input and output token capacity

Gemini 3.1 Flash-Lite accepts 1,000,000 input tokens compared to Grok 4.7's 500,000 tokens. Only Gemini 3.1 Flash-Lite specifies output context (1,000,000 tokens).

Google
Gemini 3.1 Flash-Lite
Input1,000,000 tokens
Output1,000,000 tokens
xAI
Grok 4.7
Input500,000 tokens
Output- tokens
Tue Sep 22 2026 • llm-stats.com

Input capabilities

Documented input modalities across available providers

Both Gemini 3.1 Flash-Lite and Grok 4.7 support multimodal inputs.

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

Gemini 3.1 Flash-Lite

Text
Images
Audio
Video

Grok 4.7

Text
Images
Audio
Video

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-Lite

Proprietary

Closed source

Grok 4.7

Proprietary

Closed source

Release Timeline

When each model was launched

Gemini 3.1 Flash-Lite was released on 2026-03-03, while Grok 4.7 was released on 2026-09-21.

Grok 4.7 is 7 months newer than Gemini 3.1 Flash-Lite.

Gemini 3.1 Flash-Lite

Mar 3, 2026

6 months ago

Grok 4.7

Sep 21, 2026

1 days ago

6mo newer

Knowledge Cutoff

When training data ends

Gemini 3.1 Flash-Lite has a knowledge cutoff of 2025-01-31, while Grok 4.7 has a cutoff of 2026-06-01.

Grok 4.7 has more recent training data (up to 2026-06-01), making it potentially better informed about events through that date compared to Gemini 3.1 Flash-Lite (2025-01-31).

Gemini 3.1 Flash-Lite

Jan 2025

Grok 4.7

Jun 2026

1.4 yr newer

Provider Availability

Gemini 3.1 Flash-Lite is available from DeepInfra, Google. Grok 4.7 is available from xAI.

Gemini 3.1 Flash-Lite

deepinfra logo
Deepinfra
Input Price:Input: $0.25/1MOutput Price:Output: $1.50/1M
google logo
Google
Input Price:Input: $0.25/1MOutput Price:Output: $1.50/1M

Grok 4.7

xai logo
xAI
Input Price:Input: $2.00/1MOutput Price:Output: $6.00/1M
* 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 Gemini 3.1 Flash-Lite and Grok 4.7 side-by-side, then vote on the output you prefer.

Gemini 3.1 Flash-Lite
✓ Preferred
Grok 4.7
Open in Playground

FAQ

Common questions about Gemini 3.1 Flash-Lite vs Grok 4.7.

Which is better, Gemini 3.1 Flash-Lite or Grok 4.7?

Grok 4.7 leads the LLM Stats Score 48.5 to 30.9. Gemini 3.1 Flash-Lite is made by Google and Grok 4.7 is made by xAI. The best choice depends on your use case — compare their capability indexes, individual benchmarks, pricing, and limits above.

How does Gemini 3.1 Flash-Lite compare to Grok 4.7 in benchmarks?

Gemini 3.1 Flash-Lite scores MMMLU: 88.9%, GPQA: 86.9%, VideoMMMU: 84.8%, MMMU-Pro: 76.8%, CharXiv-R: 73.2%. Grok 4.7 scores BixBench MCQ: 88.4%, WMDP-Bio: 88.1%, WMDP-Cyber: 88.1%, WMDP-Chem: 84.9%, CyberGym: 80.3%.

Is Gemini 3.1 Flash-Lite cheaper than Grok 4.7?

Gemini 3.1 Flash-Lite is 8.0x cheaper for input tokens. Gemini 3.1 Flash-Lite costs $0.25/M input and $1.50/M output via deepinfra. Grok 4.7 costs $2.00/M input and $6.00/M output via xai.

What are the context window sizes for Gemini 3.1 Flash-Lite and Grok 4.7?

Gemini 3.1 Flash-Lite supports 1.0M tokens and Grok 4.7 supports 500K 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-Lite and Grok 4.7?

Key differences include LLM Stats Score (30.9 vs 48.5), context window (1.0M vs 500K), input pricing ($0.25 vs $2.00/M). See the full comparison above for benchmark-by-benchmark results.

Who makes Gemini 3.1 Flash-Lite and Grok 4.7?

Gemini 3.1 Flash-Lite is developed by Google and Grok 4.7 is developed by xAI.

Related comparisons