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DeepSeek-V2.5 vs Grok-2

DeepSeek-V2.5 and Grok-2 are closely matched at 8.4 and 11.6 on the LLM Stats Score. DeepSeek-V2.5 is 22.9x cheaper per token.

DeepSeek · xAI · Updated for 2026

Which is better?

DeepSeek-V2.5 and Grok-2 are closely matched on the overall LLM Stats Score at 8.4 and 11.6.

In the 3 individual benchmarks reported for both models, Grok-2 wins 2; this is a narrower head-to-head signal than the composite indexes.

On price, DeepSeek-V2.5 is roughly 22.9x 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 DeepSeek-V2.5

  • cost matters — it's about 22.9x cheaper per token
  • you need open weights you can self-host or fine-tune

Choose Grok-2

  • you value its reported benchmark strengths — it wins 2 of 3 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
8.4
#265
11.6
#242
8.5
#259
11.6
#239
6.5
#178
9.3
#163
Cost, coverage & limits
Benchmark wins
1 of 3
2 of 3
Input price
$0.14 / M
$2.00 / M
Output price
$0.28 / M
$10.00 / M
Context window
8,192
128,000

Capability indexes

Additional strengths measured across groups of related public benchmarks

1 shared
Index
DeepSeek-V2.5
Grok-2
14.4#210
18.4#168
Conservative TrueSkill rating · higher is betterHow scores work

Individual benchmarks

15 reported for DeepSeek-V2.5 · 8 for Grok-2

3 shared

DeepSeek-V2.5 outperforms in 1 benchmarks (HumanEval), while Grok-2 is better at 2 benchmarks (MATH, MMLU).

Grok-2 shows notably better performance in the majority of benchmarks.

Mon Aug 31 2026 • llm-stats.com

Human preference

Blind head-to-head votes and playground preference scores

Pricing Analysis

Price comparison per million tokens

DeepSeek-V2.5 costs less

For input processing, DeepSeek-V2.5 ($0.14/1M tokens) is 14.3x cheaper than Grok-2 ($2.00/1M tokens).

For output processing, DeepSeek-V2.5 ($0.28/1M tokens) is 35.7x cheaper than Grok-2 ($10.00/1M tokens).

In conclusion, Grok-2 is more expensive than DeepSeek-V2.5.*

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

Lowest available price from all providers
Mon Aug 31 2026 • llm-stats.com
DeepSeek
DeepSeek-V2.5
Input tokens$0.14
Output tokens$0.28
Best providerDeepSeek
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 DeepSeek-V2.5's 8,192 tokens. DeepSeek-V2.5 can generate longer responses up to 8,192 tokens, while Grok-2 is limited to 8,000 tokens.

DeepSeek
DeepSeek-V2.5
Input8,192 tokens
Output8,192 tokens
xAI
Grok-2
Input128,000 tokens
Output8,000 tokens
Mon Aug 31 2026 • llm-stats.com

Input capabilities

Documented input modalities across available providers

Grok-2 supports multimodal inputs, whereas DeepSeek-V2.5 does not.

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

DeepSeek-V2.5

Text
Images
Audio
Video

Grok-2

Text
Images
Audio
Video

License

Usage and distribution terms

DeepSeek-V2.5 is licensed under deepseek, while Grok-2 uses a proprietary license.

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

DeepSeek-V2.5

deepseek

Open weights

Grok-2

Proprietary

Closed source

Release Timeline

When each model was launched

DeepSeek-V2.5 was released on 2024-05-08, while Grok-2 was released on 2024-08-13.

Grok-2 is 3 months newer than DeepSeek-V2.5.

DeepSeek-V2.5

May 8, 2024

2.3 years ago

Grok-2

Aug 13, 2024

2.0 years ago

3mo newer

Knowledge Cutoff

When training data ends

Neither model specifies a knowledge cutoff date.

Unable to compare the recency of their training data.

No cutoff dates available

Provider Availability

DeepSeek-V2.5 is available from DeepSeek, DeepInfra, Hyperbolic. Grok-2 is available from xAI.

DeepSeek-V2.5

deepseek logo
DeepSeek
Input Price:Input: $0.14/1MOutput Price:Output: $0.28/1M
deepinfra logo
Deepinfra
Input Price:Input: $0.70/1MOutput Price:Output: $1.40/1M
hyperbolic logo
Hyperbolic
Input Price:Input: $2.00/1MOutput Price:Output: $2.00/1M

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 DeepSeek-V2.5 and Grok-2 side-by-side, then vote on the output you prefer.

DeepSeek-V2.5
✓ Preferred
Grok-2
Open in Playground

FAQ

Common questions about DeepSeek-V2.5 vs Grok-2.

Which is better, DeepSeek-V2.5 or Grok-2?

DeepSeek-V2.5 and Grok-2 are closely matched on the LLM Stats Score at 8.4 and 11.6. DeepSeek-V2.5 is made by DeepSeek 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 DeepSeek-V2.5 compare to Grok-2 in benchmarks?

DeepSeek-V2.5 scores GSM8k: 95.1%, MT-Bench: 90.2%, HumanEval: 89.0%, BBH: 84.3%, AlignBench: 80.4%. Grok-2 scores DocVQA: 93.6%, HumanEval: 88.4%, MMLU: 87.5%, MATH: 76.1%, MMLU-Pro: 75.5%.

Is DeepSeek-V2.5 cheaper than Grok-2?

DeepSeek-V2.5 is 14.3x cheaper for input tokens. DeepSeek-V2.5 costs $0.14/M input and $0.28/M output via deepseek. Grok-2 costs $2.00/M input and $10.00/M output via xai.

What are the context window sizes for DeepSeek-V2.5 and Grok-2?

DeepSeek-V2.5 supports 8K 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 DeepSeek-V2.5 and Grok-2?

Key differences include LLM Stats Score (8.4 vs 11.6), context window (8K vs 128K), input pricing ($0.14 vs $2.00/M), multimodal support (no vs yes), licensing (deepseek vs Proprietary). See the full comparison above for benchmark-by-benchmark results.

Who makes DeepSeek-V2.5 and Grok-2?

DeepSeek-V2.5 is developed by DeepSeek and Grok-2 is developed by xAI.