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AI model comparison

Grok Build 0.1 vs DeepSeek V4 Flash 0423

Pricing, context window, benchmarks, and features compared side by side. Or skip the guesswork and send one prompt to both.

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xAI

Grok Build 0.1

Grok Build 0.1 is SpaceXAI’s fast coding model trained specifically for agentic software engineering workflows.

Input / 1M
$1
Output / 1M
$2
Context
256K
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DeepSeek

DeepSeek V4 Flash 0423

DeepSeek V4 Flash is an efficiency-optimized Mixture-of-Experts model from DeepSeek with 284B total parameters and 13B activated parameters, supporting a 1M-token context window.

Input / 1M
$0.01
Output / 1M
$1.28
Context
1.05M

At a glance

Quick verdict

How the two models stack up on the things people ask about most.

Lower price

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DeepSeek V4 Flash 0423

4.5x cheaper for a typical chat

Higher intelligence score

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Grok Build 0.1

27.2 vs 24.4 on Artificial Analysis

Larger context window

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DeepSeek V4 Flash 0423

1.05M vs 256K tokens

Newer release

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Grok Build 0.1

Released May 20, 2026

Benchmarks

Benchmark scores

Independent scores from Artificial Analysis. Higher is better.

Intelligence index

x-ai logoGrok Build 0.127.2
deepseek logoDeepSeek V4 Flash 042324.4

Coding index

x-ai logoGrok Build 0.151.5
deepseek logoDeepSeek V4 Flash 042352

Agentic index

x-ai logoGrok Build 0.1Not available
deepseek logoDeepSeek V4 Flash 042326.3

Pricing

Grok Build 0.1 vs DeepSeek V4 Flash 0423 API pricing

Per-token API rates. Cheaper option highlighted.

Metricx-ai logoGrok Build 0.1deepseek logoDeepSeek V4 Flash 0423
Input tokensPer 1M tokens$1$0.01
Output tokensPer 1M tokens$2$1.28
Cached input (read)Per 1M tokens$0.20$0.01
Cache writePer 1M tokensNot availableNot available
Long-context pricingPer 1M tokens, for very long prompts$2 in / $4 out above 200KSame rate at any length
Web searchPer request$0.005Not available

What it costs in practice

Estimated cost per 1,000 requests at standard rates. Coding and long-document figures also show the cost when the input is already cached.

Chat message

2K in, 500 out

x-ai logoGrok Build 0.1$3
deepseek logoDeepSeek V4 Flash 0423$0.66

Coding task

30K in, 4K out

x-ai logoGrok Build 0.1$38$14 cached
deepseek logoDeepSeek V4 Flash 0423$5.42$5.42 cached

Long document summary

150K in, 2K out

x-ai logoGrok Build 0.1$154$34 cached
deepseek logoDeepSeek V4 Flash 0423$4.05$4.05 cached

Specs

Context window and capabilities

How much each model can read, how much it can write, and what it accepts as input.

Metricx-ai logoGrok Build 0.1deepseek logoDeepSeek V4 Flash 0423
Context window256K tokens1.05M tokens
Max output230K tokens944K tokens
Input typesFile, Image, TextText
Output typesTextText
Reasoning effort levelsNot availableExtra high, High
Default reasoning effortNot availableHigh
Release dateMay 20, 2026April 24, 2026

Features

Supported features

API features available for each model.

Metricx-ai logoGrok Build 0.1deepseek logoDeepSeek V4 Flash 0423
Tool callingSupportedSupported
Structured outputsSupportedSupported
JSON modeSupportedSupported
ReasoningSupportedSupported
TemperatureSupportedSupported
Stop sequencesNot supportedSupported
Deterministic seedSupportedSupported
Verbosity controlNot supportedNot supported

Our take

DeepSeek V4 Flash 0423 is 4.5x cheaper for a typical chat. Grok Build 0.1 scores higher on the Artificial Analysis Intelligence Index (27.2 vs 24.4). DeepSeek V4 Flash 0423 has the larger context window (1.05M vs 256K tokens). The right pick depends on your workload, so the quickest way to settle it is to send the same prompt to both and compare.

FAQ

Frequently asked questions

Is Grok Build 0.1 or DeepSeek V4 Flash 0423 cheaper?

DeepSeek V4 Flash 0423 is cheaper for a typical chat (2K input tokens and 500 output tokens). DeepSeek V4 Flash 0423 costs $0.01 per 1M input tokens and $1.28 per 1M output tokens, while Grok Build 0.1 costs $1 per 1M input tokens and $2 per 1M output tokens.

Which has a bigger context window, Grok Build 0.1 or DeepSeek V4 Flash 0423?

DeepSeek V4 Flash 0423 supports up to 1.05M tokens of context, compared with 256K for Grok Build 0.1.

Is Grok Build 0.1 smarter than DeepSeek V4 Flash 0423?

On the Artificial Analysis Intelligence Index, Grok Build 0.1 scores 27.2 and DeepSeek V4 Flash 0423 scores 24.4, putting Grok Build 0.1 ahead. Benchmarks don't capture everything, so the best test is running your own prompts through both.

Can I use Grok Build 0.1 and DeepSeek V4 Flash 0423 at the same time?

Yes. Shortcut Chat sends one prompt to multiple models at once, so you can see Grok Build 0.1 and DeepSeek V4 Flash 0423 answer side by side and keep the better response.

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Why choose? Ask both.

Send one prompt to Grok Build 0.1 and DeepSeek V4 Flash 0423 at the same time. Compare the answers side by side and keep the best one.

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