Price Per TokenPrice Per Token
Deepseek
Deepseek
vs
Xai
Xai

DeepSeek V3.1 Terminus vs Grok Code Fast 1

A detailed comparison of pricing, benchmarks, and capabilities

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Key Takeaways

DeepSeek V3.1 Terminus wins:

  • Cheaper output tokens
  • Better at coding
  • Better at math

Grok Code Fast 1 wins:

  • Cheaper input tokens
  • Larger context window
  • Faster response time
  • Higher intelligence benchmark
Price Advantage
DeepSeek V3.1 Terminus
Benchmark Advantage
DeepSeek V3.1 Terminus
Context Window
Grok Code Fast 1
Speed
Grok Code Fast 1

Pricing Comparison

Benchmark Comparison

Context & Performance

Capabilities

Feature Comparison

FeatureDeepSeek V3.1 TerminusGrok Code Fast 1
Vision (Image Input)
Tool/Function Calls
Reasoning Mode
Audio Input
Audio Output
PDF Input
Prompt Caching
Web Search

License & Release

PropertyDeepSeek V3.1 TerminusGrok Code Fast 1
LicenseOpen SourceProprietary
AuthorDeepseekXai
ReleasedSep 2025Aug 2025

DeepSeek V3.1 Terminus Modalities

Input
text
Output
text

Grok Code Fast 1 Modalities

Input
text
Output
text

Frequently Asked Questions

Grok Code Fast 1 has cheaper input pricing at $0.20/M tokens. DeepSeek V3.1 Terminus has cheaper output pricing at $0.79/M tokens.
DeepSeek V3.1 Terminus scores higher on coding benchmarks with a score of 31.9, compared to Grok Code Fast 1's score of 23.7.
DeepSeek V3.1 Terminus has a 163,840 token context window, while Grok Code Fast 1 has a 256,000 token context window.
DeepSeek V3.1 Terminus does not support vision. Grok Code Fast 1 does not support vision.