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Gemini 1.0 Pro vs Grok-2

Grok-2 leads the LLM Stats Score 11.4 to -5.4. Gemini 1.0 Pro is 5.3x cheaper per token.

Google · xAI · Updated for 2026

Which is better?

Grok-2 leads the overall LLM Stats Score 11.4 to -5.4, ranking #258 overall.

In the 5 individual benchmarks reported for both models, Grok-2 wins 5; this is a narrower head-to-head signal than the composite indexes.

On price, Gemini 1.0 Pro is roughly 5.3x cheaper per token on a blended 3:1 input/output basis, which adds up quickly at production volume.

Grok-2 also accepts a larger context window (128,000 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 1.0 Pro

  • cost matters — it's about 5.3x cheaper per token

Choose Grok-2

  • overall performance matters — it scores 11.4 and ranks #258 on LLM Stats
  • your work emphasizes reasoning — it leads those capability indexes
  • you value its reported benchmark strengths — it wins 5 of 5 exact shared results
  • you process long inputs — it offers a 128,000 token context window
  • you want the most recent training data — it shipped Aug 2024

At a glance

The differences that matter most.

Core performance indexes
-5.4
#357
11.4
#258
-8.0
#356
11.4
#255
Cost, coverage & limits
Benchmark wins
0 of 5
5 of 5
Input price
$0.50 / M
$2.00 / M
Output price
$1.50 / M
$10.00 / M
Context window
32,760
128,000

Capability indexes

Additional strengths measured across groups of related public benchmarks

3 shared
Index
Gemini 1.0 Pro
Grok-2
-1.7#305
18.2#183
-8.7#204
7.4#141
-6.2#165
10.7#114
Conservative TrueSkill rating · higher is betterHow scores work

Individual benchmarks

9 reported for Gemini 1.0 Pro · 8 for Grok-2

5 shared

Gemini 1.0 Pro outperforms in 0 benchmarks, while Grok-2 is better at 5 benchmarks (GPQA, MATH, MathVista, MMLU, MMMU).

Grok-2 significantly outperforms across most benchmarks.

Thu Sep 17 2026 • llm-stats.com

Human preference

Blind head-to-head votes and playground preference scores

Pricing Analysis

Price comparison per million tokens

Gemini 1.0 Pro costs less

For input processing, Gemini 1.0 Pro ($0.50/1M tokens) is 4.0x cheaper than Grok-2 ($2.00/1M tokens).

For output processing, Gemini 1.0 Pro ($1.50/1M tokens) is 6.7x cheaper than Grok-2 ($10.00/1M tokens).

In conclusion, Grok-2 is more expensive than Gemini 1.0 Pro.*

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

Lowest available price from all providers
Thu Sep 17 2026 • llm-stats.com
Google
Gemini 1.0 Pro
Input tokens$0.50
Output tokens$1.50
Best providerGoogle
xAI
Grok-2
Input tokens$2.00
Output tokens$10.00
Best providerxAI
Notice missing or incorrect data?Start an Issue

Context Window

Maximum input and output token capacity

Grok-2 accepts 128,000 input tokens compared to Gemini 1.0 Pro's 32,760 tokens. Gemini 1.0 Pro can generate longer responses up to 8,192 tokens, while Grok-2 is limited to 8,000 tokens.

Google
Gemini 1.0 Pro
Input32,760 tokens
Output8,192 tokens
xAI
Grok-2
Input128,000 tokens
Output8,000 tokens
Thu Sep 17 2026 • llm-stats.com

Input capabilities

Documented input modalities across available providers

Grok-2 supports multimodal inputs, whereas Gemini 1.0 Pro does not.

Grok-2 can handle both text and other forms of data like images, making it suitable for multimodal applications.

Gemini 1.0 Pro

Text
Images
Audio
Video

Grok-2

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 1.0 Pro

Proprietary

Closed source

Grok-2

Proprietary

Closed source

Release Timeline

When each model was launched

Gemini 1.0 Pro was released on 2024-02-15, while Grok-2 was released on 2024-08-13.

Grok-2 is 6 months newer than Gemini 1.0 Pro.

Gemini 1.0 Pro

Feb 15, 2024

2.6 years ago

Grok-2

Aug 13, 2024

2.1 years ago

6mo newer

Knowledge Cutoff

When training data ends

Gemini 1.0 Pro has a documented knowledge cutoff of 2024-02-01, while Grok-2's cutoff date is not specified.

We can confirm Gemini 1.0 Pro's training data extends to 2024-02-01, but cannot make a direct comparison without Grok-2's cutoff date.

Gemini 1.0 Pro

Feb 2024

Grok-2

Provider Availability

Gemini 1.0 Pro is available from Google. Grok-2 is available from xAI.

Gemini 1.0 Pro

google logo
Google
Input Price:Input: $0.50/1MOutput Price:Output: $1.50/1M

Grok-2

xai logo
xAI
Input Price:Input: $2.00/1MOutput Price:Output: $10.00/1M
* 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 1.0 Pro and Grok-2 side-by-side, then vote on the output you prefer.

Gemini 1.0 Pro
✓ Preferred
Grok-2
Open in Playground

FAQ

Common questions about Gemini 1.0 Pro vs Grok-2.

Which is better, Gemini 1.0 Pro or Grok-2?

Grok-2 leads the LLM Stats Score 11.4 to -5.4. Gemini 1.0 Pro is made by Google and Grok-2 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 1.0 Pro compare to Grok-2 in benchmarks?

Gemini 1.0 Pro scores FLEURS: 93.6%, BIG-Bench: 75.0%, MMLU: 71.8%, WMT23: 71.7%, EgoSchema: 55.7%. Grok-2 scores DocVQA: 93.6%, HumanEval: 88.4%, MMLU: 87.5%, MATH: 76.1%, MMLU-Pro: 75.5%.

Is Gemini 1.0 Pro cheaper than Grok-2?

Gemini 1.0 Pro is 4.0x cheaper for input tokens. Gemini 1.0 Pro costs $0.50/M input and $1.50/M output via google. Grok-2 costs $2.00/M input and $10.00/M output via xai.

What are the context window sizes for Gemini 1.0 Pro and Grok-2?

Gemini 1.0 Pro supports 33K tokens and Grok-2 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 1.0 Pro and Grok-2?

Key differences include LLM Stats Score (-5.4 vs 11.4), context window (33K vs 128K), input pricing ($0.50 vs $2.00/M), multimodal support (no vs yes). See the full comparison above for benchmark-by-benchmark results.

Who makes Gemini 1.0 Pro and Grok-2?

Gemini 1.0 Pro is developed by Google and Grok-2 is developed by xAI.