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  1. Home
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  3. Compare

DeepSeek V3.1 Base vs Gemini 2.5 Pro

Compare DeepSeek V3.1 Base from DeepSeek and Gemini 2.5 Pro from Google on key metrics including benchmarks, price, context length, and other model features. Access both models and hundreds of others through the OpenRouter API.

Favicon for deepseek
DeepSeek V3.1 Base
Favicon for google
Gemini 2.5 Pro
Favicon for deepseek
DeepSeek V3.1 Base
Favicon for google
Gemini 2.5 Pro

Overview

DeepSeek V3.1 Base
Author
DeepSeek
Gemini 2.5 Pro
Author
Google
DeepSeek V3.1 Base
Context length
164Ktokens
Gemini 2.5 Pro
Context length
1.05Mtokens
DeepSeek V3.1 Base
Reasoning
Gemini 2.5 Pro
Reasoning
DeepSeek V3.1 Base
Input modalities
Gemini 2.5 Pro
Input modalities
DeepSeek V3.1 Base
Output modalities
Gemini 2.5 Pro
Output modalities

DeepSeek V3.1 Base vs Gemini 2.5 Pro: side-by-side summary

DeepSeek V3.1 Base and Gemini 2.5 Pro are available through the OpenRouter API, so switching between them takes a model slug change rather than a new integration.

DeepSeek V3.1 Base, from DeepSeek, has a 163,840-token context window and is priced by the provider serving it on OpenRouter.

Gemini 2.5 Pro, from Google, has a 1,048,576-token context window and is priced at $1.25/M tokens input, $10/M tokens output on OpenRouter.

Context window
  • DeepSeek V3.1 Base: 163,840 tokens
  • Gemini 2.5 Pro: 1,048,576 tokens
Price
  • DeepSeek V3.1 Base: Pricing varies by provider
  • Gemini 2.5 Pro: $1.25/M tokens input, $10/M tokens output
Provided by
  • DeepSeek V3.1 Base: DeepSeek
  • Gemini 2.5 Pro: Google
  • model details, providers and pricing
DeepSeek V3.1 Base
model details, providers and pricing
Gemini 2.5 Pro

DeepSeek V3.1 Base vs Gemini 2.5 Pro at a glance

DeepSeek V3.1 Base vs Gemini 2.5 Pro comparison
DeepSeek V3.1 BaseGemini 2.5 Pro
Input pricePricing varies by provider$1.25/M tokens
Output pricePricing varies by provider$10/M tokens
Context window163,840 tokens1,048,576 tokens
Intelligence IndexNot available14.5
Coding IndexNot availableNot available
Agentic IndexNot availableNot available
Latency (p50)Not available4.79 s
Throughput (p50)Not available69.0 tok/s

Oct 5, 2026

Which has the longer context window, DeepSeek V3.1 Base or Gemini 2.5 Pro?

Gemini 2.5 Pro has the longer context window at 1,048,576 tokens, compared with 163,840 tokens for DeepSeek V3.1 Base.

Attribute
Benchmark data updated
Frequently asked questions