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Gemini 1.5 Pro vs Grok-3 Mini

Grok-3 Mini leads the LLM Stats Score 31.7 to 12.2. Grok-3 Mini is 12.5x cheaper per token.

Google · xAI · Updated for 2026

Which is better?

Grok-3 Mini leads the overall LLM Stats Score 31.7 to 12.2, ranking #102 overall.

In the 1 individual benchmarks reported for both models, Grok-3 Mini wins 1; this is a narrower head-to-head signal than the composite indexes.

On price, Grok-3 Mini is roughly 12.5x cheaper per token on a blended 3:1 input/output basis, which adds up quickly at production volume.

Gemini 1.5 Pro also accepts a larger context window (2,097,152 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 1.5 Pro

  • you process long inputs — it offers a 2,097,152 token context window

Choose Grok-3 Mini

  • overall performance matters — it scores 31.7 and ranks #102 on LLM Stats
  • your work emphasizes reasoning — it leads those capability indexes
  • you value its reported benchmark strengths — it wins 1 of 1 exact shared results
  • cost matters — it's about 12.5x cheaper per token
  • you want the most recent training data — it shipped Feb 2025

At a glance

The differences that matter most.

Core performance indexes
12.2
#243
31.7
#102
12.0
#236
31.3
#101
4.4
#201
18.9
#102
Cost, coverage & limits
Benchmark wins
0 of 1
1 of 1
Input price
$2.50 / M
$0.30 / M
Output price
$10.00 / M
$0.50 / M
Context window
2,097,152
128,000

Capability indexes

Additional strengths measured across groups of related public benchmarks

1 shared
Index
Gemini 1.5 Pro
Grok-3 Mini
17.1#190
28.5#86
Conservative TrueSkill rating · higher is betterHow scores work

Individual benchmarks

23 reported for Gemini 1.5 Pro · 4 for Grok-3 Mini

1 shared

Gemini 1.5 Pro outperforms in 0 benchmarks, while Grok-3 Mini is better at 1 benchmark (GPQA).

Grok-3 Mini significantly outperforms across most benchmarks.

Thu Sep 03 2026 • llm-stats.com

Human preference

Blind head-to-head votes and playground preference scores

Pricing Analysis

Price comparison per million tokens

Grok-3 Mini costs less

For input processing, Gemini 1.5 Pro ($2.50/1M tokens) is 8.3x more expensive than Grok-3 Mini ($0.30/1M tokens).

For output processing, Gemini 1.5 Pro ($10.00/1M tokens) is 20.0x more expensive than Grok-3 Mini ($0.50/1M tokens).

In conclusion, Gemini 1.5 Pro is more expensive than Grok-3 Mini.*

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

Lowest available price from all providers
Thu Sep 03 2026 • llm-stats.com
Google
Gemini 1.5 Pro
Input tokens$2.50
Output tokens$10.00
Best providerGoogle
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

Gemini 1.5 Pro accepts 2,097,152 input tokens compared to Grok-3 Mini's 128,000 tokens. Gemini 1.5 Pro can generate longer responses up to 8,192 tokens, while Grok-3 Mini is limited to 8,000 tokens.

Google
Gemini 1.5 Pro
Input2,097,152 tokens
Output8,192 tokens
xAI
Grok-3 Mini
Input128,000 tokens
Output8,000 tokens
Thu Sep 03 2026 • llm-stats.com

Input capabilities

Documented input modalities across available providers

Both Gemini 1.5 Pro and Grok-3 Mini support multimodal inputs.

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

Gemini 1.5 Pro

Text
Images
Audio
Video

Grok-3 Mini

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 1.5 Pro

Proprietary

Closed source

Grok-3 Mini

Proprietary

Closed source

Release Timeline

When each model was launched

Gemini 1.5 Pro was released on 2024-05-01, while Grok-3 Mini was released on 2025-02-17.

Grok-3 Mini is 10 months newer than Gemini 1.5 Pro.

Gemini 1.5 Pro

May 1, 2024

2.3 years ago

Grok-3 Mini

Feb 17, 2025

1.5 years ago

9mo newer

Knowledge Cutoff

When training data ends

Gemini 1.5 Pro has a knowledge cutoff of 2023-11-01, 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 Gemini 1.5 Pro (2023-11-01).

Gemini 1.5 Pro

Nov 2023

Grok-3 Mini

Nov 2024

1 yr newer

Provider Availability

Gemini 1.5 Pro is available from Google. Grok-3 Mini is available from xAI.

Gemini 1.5 Pro

google logo
Google
Input Price:Input: $2.50/1MOutput Price:Output: $10.00/1M

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 Gemini 1.5 Pro and Grok-3 Mini side-by-side, then vote on the output you prefer.

Gemini 1.5 Pro
✓ Preferred
Grok-3 Mini
Open in Playground

FAQ

Common questions about Gemini 1.5 Pro vs Grok-3 Mini.

Which is better, Gemini 1.5 Pro or Grok-3 Mini?

Grok-3 Mini leads the LLM Stats Score 31.7 to 12.2. Gemini 1.5 Pro is made by Google and Grok-3 Mini 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 1.5 Pro compare to Grok-3 Mini in benchmarks?

Gemini 1.5 Pro scores XSTest: 98.8%, FLEURS: 93.3%, HellaSwag: 93.3%, GSM8k: 90.8%, BIG-Bench Hard: 89.2%. Grok-3 Mini scores AIME 2024: 95.8%, AIME 2025: 90.8%, GPQA: 84.0%, LiveCodeBench: 80.4%.

Is Gemini 1.5 Pro cheaper than Grok-3 Mini?

Grok-3 Mini is 8.3x cheaper for input tokens. Gemini 1.5 Pro costs $2.50/M input and $10.00/M output via google. Grok-3 Mini costs $0.30/M input and $0.50/M output via xai.

What are the context window sizes for Gemini 1.5 Pro and Grok-3 Mini?

Gemini 1.5 Pro supports 2.1M 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 Gemini 1.5 Pro and Grok-3 Mini?

Key differences include LLM Stats Score (12.2 vs 31.7), context window (2.1M vs 128K), input pricing ($2.50 vs $0.30/M). See the full comparison above for benchmark-by-benchmark results.

Who makes Gemini 1.5 Pro and Grok-3 Mini?

Gemini 1.5 Pro is developed by Google and Grok-3 Mini is developed by xAI.