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Grok Code Fast 1 vs DeepSeek V4 Flash

At a glance

Speedy reasoning model built for agentic coding.

256K ctx

Efficiency-optimized DeepSeek V4 at 284B total / 13B active for fast, high-throughput inference.

1.0M ctx$0.09/$0.19 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 2026-07-10
Agentic
Terminal Tasks25.8%
Reasoning
CodingInsufficient data
AgenticInsufficient data
ReasoningInsufficient data
MathInsufficient data
Sources:OpenRouter
Agentic
Terminal Tasks—
Specs
256K
Context
33K
Max output
—
Released
1.0M
Context
16K
Max output
Apr 2026
Released
Capabilities
Vision
Audio
Reasoning
Vision
Audio
Reasoning
Pricing
Pricing not available
Live pricing, shown before you run
Input$0.09/M tokens
Output$0.19/M tokens
Cache read$0.02/M tokens
Chat with Grok Code Fast 1Go to model
Chat with DeepSeek V4 FlashGo to model
Frequently Asked Questions: Grok Code Fast 1 vs DeepSeek V4 Flash▼

Which is better, Grok Code Fast 1 or DeepSeek V4 Flash?

▼

Both Grok Code Fast 1 and DeepSeek V4 Flash 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 Flash?

▼

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

What are the key differences between Grok Code Fast 1 and DeepSeek V4 Flash?

▼

Key differences: only DeepSeek V4 Flash 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 Flash for free on idapt.app to see which performs better for your specific needs.

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