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Model comparison Synced Mar 10, 2026

DeepSeek: DeepSeek V3.1 Terminus (exacto) vs xAI: Grok Code Fast 1

Side-by-side comparison of DeepSeek: DeepSeek V3.1 Terminus (exacto) and xAI: Grok Code Fast 1. Compare pricing, context window, capabilities, and find out which is better for your workflow.

Verdict

strong confidence

xAI: Grok Code Fast 1 leads overall

xAI: Grok Code Fast 1 leads in context window and max output, making it the stronger choice for most workflows. DeepSeek: DeepSeek V3.1 Terminus (exacto) remains competitive with advantages in price.

Best for with DeepSeek: DeepSeek V3.1 Terminus (exacto)

Budget-conscious workflows

Best for with xAI: Grok Code Fast 1

Long document processingLong-form content generation

Side-by-side

Technical specifications

DeepSeek: DeepSeek V3.1 Terminus (exacto) xAI: Grok Code Fast 1
Provider DeepSeek xAI
Input price $0.21/M $0.20/M
Output price $0.79/M $2/M
Context window 164K 256K
Max output N/A 10K
Capabilities
Tool useReasoning
Tool useReasoning
Released Sep 22, 2025 Aug 26, 2025

Scoring breakdown

How each dimension compares

Price

DeepSeek: DeepSeek V3.1 Terminus (exacto) leads

DeepSeek: DeepSeek V3.1 Terminus (exacto)

$0.79/M tokens

xAI: Grok Code Fast 1

$2/M tokens

Context Window

xAI: Grok Code Fast 1 leads

DeepSeek: DeepSeek V3.1 Terminus (exacto)

164K tokens

xAI: Grok Code Fast 1

256K tokens

Capabilities

DeepSeek: DeepSeek V3.1 Terminus (exacto)

2/4

xAI: Grok Code Fast 1

2/4

Max Output

xAI: Grok Code Fast 1 leads

DeepSeek: DeepSeek V3.1 Terminus (exacto)

N/A

xAI: Grok Code Fast 1

10K tokens

Recency

DeepSeek: DeepSeek V3.1 Terminus (exacto)

Sep 2025

xAI: Grok Code Fast 1

Aug 2025

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