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DeepSeek-V2.5 vs Gemini 1.5 Pro

DeepSeek-V2.5 and Gemini 1.5 Pro are closely matched at 8.4 and 12.1 on the LLM Stats Score. DeepSeek-V2.5 is 25.0x cheaper per token.

DeepSeek · Google · Updated for 2026

Which is better?

DeepSeek-V2.5 and Gemini 1.5 Pro are closely matched on the overall LLM Stats Score at 8.4 and 12.1.

The models split the 4 individual benchmarks reported for both models evenly.

On price, DeepSeek-V2.5 is roughly 25.0x 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 DeepSeek-V2.5

  • cost matters — it's about 25.0x cheaper per token
  • you want the most recent training data — it shipped May 2024
  • you need open weights you can self-host or fine-tune

Choose Gemini 1.5 Pro

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

At a glance

The differences that matter most.

Core performance indexes
8.4
#270
12.1
#244
8.4
#262
11.9
#237
6.5
#183
4.4
#201
Cost, coverage & limits
Benchmark wins
2 of 4
2 of 4
Input price
$0.14 / M
$2.50 / M
Output price
$0.28 / M
$10.00 / M
Context window
8,192
2,097,152

Capability indexes

Additional strengths measured across groups of related public benchmarks

1 shared
Index
DeepSeek-V2.5
Gemini 1.5 Pro
14.4#212
17.1#191
Conservative TrueSkill rating · higher is betterHow scores work

Individual benchmarks

15 reported for DeepSeek-V2.5 · 23 for Gemini 1.5 Pro

4 shared

DeepSeek-V2.5 outperforms in 2 benchmarks (GSM8k, HumanEval), while Gemini 1.5 Pro is better at 2 benchmarks (MATH, MMLU).

Both models are evenly matched across the benchmarks.

Sun Sep 06 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 17.9x cheaper than Gemini 1.5 Pro ($2.50/1M tokens).

For output processing, DeepSeek-V2.5 ($0.28/1M tokens) is 35.7x cheaper than Gemini 1.5 Pro ($10.00/1M tokens).

In conclusion, Gemini 1.5 Pro is more expensive than DeepSeek-V2.5.*

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

Lowest available price from all providers
Sun Sep 06 2026 • llm-stats.com
DeepSeek
DeepSeek-V2.5
Input tokens$0.14
Output tokens$0.28
Best providerDeepSeek
Google
Gemini 1.5 Pro
Input tokens$2.50
Output tokens$10.00
Best providerGoogle
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 DeepSeek-V2.5's 8,192 tokens. Both models can generate responses up to 8,192 tokens.

DeepSeek
DeepSeek-V2.5
Input8,192 tokens
Output8,192 tokens
Google
Gemini 1.5 Pro
Input2,097,152 tokens
Output8,192 tokens
Sun Sep 06 2026 • llm-stats.com

Input capabilities

Documented input modalities across available providers

Gemini 1.5 Pro supports multimodal inputs, whereas DeepSeek-V2.5 does not.

Gemini 1.5 Pro can handle both text and other forms of data like images, making it suitable for multimodal applications.

DeepSeek-V2.5

Text
Images
Audio
Video

Gemini 1.5 Pro

Text
Images
Audio
Video

License

Usage and distribution terms

DeepSeek-V2.5 is licensed under deepseek, while Gemini 1.5 Pro 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

Gemini 1.5 Pro

Proprietary

Closed source

Release Timeline

When each model was launched

DeepSeek-V2.5 was released on 2024-05-08, while Gemini 1.5 Pro was released on 2024-05-01.

DeepSeek-V2.5 is 0 month newer than Gemini 1.5 Pro.

DeepSeek-V2.5

May 8, 2024

2.3 years ago

1w newer
Gemini 1.5 Pro

May 1, 2024

2.3 years ago

Knowledge Cutoff

When training data ends

Gemini 1.5 Pro has a documented knowledge cutoff of 2023-11-01, while DeepSeek-V2.5's cutoff date is not specified.

We can confirm Gemini 1.5 Pro's training data extends to 2023-11-01, but cannot make a direct comparison without DeepSeek-V2.5's cutoff date.

DeepSeek-V2.5

Gemini 1.5 Pro

Nov 2023

Provider Availability

DeepSeek-V2.5 is available from DeepSeek, DeepInfra, Hyperbolic. Gemini 1.5 Pro is available from Google.

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

Gemini 1.5 Pro

google logo
Google
Input Price:Input: $2.50/1MOutput 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 Gemini 1.5 Pro side-by-side, then vote on the output you prefer.

DeepSeek-V2.5
✓ Preferred
Gemini 1.5 Pro
Open in Playground

FAQ

Common questions about DeepSeek-V2.5 vs Gemini 1.5 Pro.

Which is better, DeepSeek-V2.5 or Gemini 1.5 Pro?

DeepSeek-V2.5 and Gemini 1.5 Pro are closely matched on the LLM Stats Score at 8.4 and 12.1. DeepSeek-V2.5 is made by DeepSeek and Gemini 1.5 Pro is made by Google. 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 Gemini 1.5 Pro in benchmarks?

DeepSeek-V2.5 scores GSM8k: 95.1%, MT-Bench: 90.2%, HumanEval: 89.0%, BBH: 84.3%, AlignBench: 80.4%. Gemini 1.5 Pro scores XSTest: 98.8%, FLEURS: 93.3%, HellaSwag: 93.3%, GSM8k: 90.8%, BIG-Bench Hard: 89.2%.

Is DeepSeek-V2.5 cheaper than Gemini 1.5 Pro?

DeepSeek-V2.5 is 17.9x cheaper for input tokens. DeepSeek-V2.5 costs $0.14/M input and $0.28/M output via deepseek. Gemini 1.5 Pro costs $2.50/M input and $10.00/M output via google.

What are the context window sizes for DeepSeek-V2.5 and Gemini 1.5 Pro?

DeepSeek-V2.5 supports 8K tokens and Gemini 1.5 Pro supports 2.1M 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 Gemini 1.5 Pro?

Key differences include LLM Stats Score (8.4 vs 12.1), context window (8K vs 2.1M), input pricing ($0.14 vs $2.50/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 Gemini 1.5 Pro?

DeepSeek-V2.5 is developed by DeepSeek and Gemini 1.5 Pro is developed by Google.