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Grok Code Fast 1 vs DeepSeek V4 Pro (0813)

At a glance

Speedy reasoning model built for agentic coding.

256K ctx

The GA release of DeepSeek's open 1.6T-parameter MoE flagship for advanced reasoning and long-horizon agents.

1.0M ctx$0.66/$1.98 per M
Demos
All demos

No shared demos for these models yet.

AI Output
All AI outputs

No captured outputs for these models yet.

Benchmarks
See rankings
CodingInsufficient data
ReasoningInsufficient data
MathInsufficient data
Sources:Epoch AI· as of 2026-10-02
Reasoning & Knowledge
Graduate Science—Factual Recall—
Math
Competition Math—
Agentic
Terminal Tasks25.8%Novel Reasoning—
Reasoning
CodingInsufficient data
AgenticInsufficient data
Sources:Epoch AI·OpenRouter· as of 2026-10-02
Reasoning & Knowledge
Graduate Science91.7%Factual Recall52.9%
Math
Competition Math98.6%
Agentic
Terminal Tasks—Novel Reasoning61.3%
Specs
256K
Context
33K
Max output
—
Released
1.0M
Context
256K
Max output
Aug 2026
Released
Capabilities
Vision
Audio
Reasoning
Vision
Audio
Reasoning
Pricing
Pricing not available
Live pricing, shown before you run
Input$0.66/M tokens
Output$1.98/M tokens
Cache read$0.02/M tokens
Chat with Grok Code Fast 1Go to model
Chat with DeepSeek V4 Pro (0813)Go to model
Frequently Asked Questions: Grok Code Fast 1 vs DeepSeek V4 Pro (0813)▼

Which is better, Grok Code Fast 1 or DeepSeek V4 Pro (0813)?

▼

Both Grok Code Fast 1 and DeepSeek V4 Pro (0813) are capable AI models. The best choice depends on your specific use case: consider pricing, context window, speed, and which capabilities (vision, reasoning, audio) you need.

Which has a larger context window, Grok Code Fast 1 or DeepSeek V4 Pro (0813)?

▼

DeepSeek V4 Pro (0813) has a larger context window: Grok Code Fast 1 supports 256K tokens vs DeepSeek V4 Pro (0813) at 1M tokens.

What are the key differences between Grok Code Fast 1 and DeepSeek V4 Pro (0813)?

▼

Key differences: only DeepSeek V4 Pro (0813) offers extended reasoning mode. Compare full specs on this page.

Which model should I choose for my use case?

▼

If cost is your priority, choose the cheaper option. If you need the highest intelligence for complex tasks, pick the higher-scoring model. For long documents or codebases, choose the larger context window. You can try both Grok Code Fast 1 and DeepSeek V4 Pro (0813) for free on idapt.app to see which performs better for your specific needs.

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