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GPT-4 Turbo vs Grok Code Fast 1

Compare OpenAI and xAI AI models

OpenAI
GPT-4 Turbo
vs
xAI
Grok Code Fast 1

Cost Comparison (1000 input + 500 output tokens, 100 requests/day)

GPT-4 Turbo

Per Request:$0.025
Daily:$2.50
Monthly:$75.00
Yearly:$912.50

Grok Code Fast 1

Per Request:$0.000950
Daily:$0.095
Monthly:$2.85
Yearly:$34.675

Cost Differences

$0.02405
Per Request
$2.405
Daily
$72.15
Monthly
$877.825
Yearly

Grok Code Fast 1 costs less than GPT-4 Turbo

Feature Comparison

FeatureGPT-4 TurboGrok Code Fast 1
ProviderOpenAIxAI
Input Price$10.00/1M tokens$0.20/1M tokens
Output Price$30.00/1M tokens$1.50/1M tokens
Context Window128,000 tokens256,000 tokens
Max Output4,096 tokens32,768 tokens
Categoryflagshipstandard
Capabilities
textvisioncode
textcodereasoning
Release Date4/9/20242/1/2026

GPT-4 Turbo vs Grok Code Fast 1: Which Should You Choose?

Choosing between GPT-4 Turbo and Grok Code Fast 1 depends on your priorities: cost efficiency, context length, or raw capability. Grok Code Fast 1 is the more affordable option at $0.20/1M input tokens98% cheaper than GPT-4 Turbo. Meanwhile, Grok Code Fast 1 offers a significantly larger context window at 256,000 tokens vs 128,000 for GPT-4 Turbo.

These models come from different providers — OpenAI and xAI — which means different API ecosystems, SDKs, rate limits, and terms of service. If you're already integrated with OpenAI, switching to xAIinvolves migration effort beyond just pricing. Factor in your existing infrastructure when deciding.

These models target different tiers: GPT-4 Turbo is a flagship model while Grok Code Fast 1 is standard. This means they're optimized for different workloads. GPT-4 Turbo is built for complex tasks that require deeper reasoning, while Grok Code Fast 1 offers better value for routine operations.

Output costs matter too. GPT-4 Turbo charges $30.00/1M output tokens vs $1.50 for Grok Code Fast 1. For generation-heavy workloads (content creation, code generation, summarization), output pricing often dominates your bill. Grok Code Fast 1 has the edge here at $1.50/1M output tokens.

Multimodal capabilities: GPT-4 Turbo supports vision (image inputs) while Grok Code Fast 1 is text-only. If your application needs image understanding, this narrows your choice.

Best Use Cases

Choose GPT-4 Turbo when:

  • • You're already using OpenAI's API ecosystem

Choose Grok Code Fast 1 when:

  • • Budget is a primary concern
  • • You need a larger context window (256,000 tokens)
  • • You need longer outputs (up to 32,768 tokens)
  • • You're already using xAI's API ecosystem

Try Different Scenarios

Use the calculator below to see how costs change with different usage patterns

GPT-4 Turbo (OpenAI)

Grok Code Fast 1 (xAI)

Start using GPT-4 Turbo today

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Start using Grok Code Fast 1 today

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Frequently Asked Questions

Which is cheaper, GPT-4 Turbo or Grok Code Fast 1?
Grok Code Fast 1 is cheaper for input tokens at $0.20 per million tokens vs $10.00 for GPT-4 Turbo — that's 98% savings on input costs.
What is the context window difference between GPT-4 Turbo and Grok Code Fast 1?
GPT-4 Turbo supports 128,000 tokens while Grok Code Fast 1 supports 256,000 tokens — a difference of 128,000 tokens in favor of Grok Code Fast 1.
Which model is better for AI Chatbot?
Both models support text. For ai chatbot, Grok Code Fast 1 is the lower-cost option, while Grok Code Fast 1 offers a larger context window (256,000 vs 128,000 tokens). Choose Grok Code Fast 1 for budget sensitivity or Grok Code Fast 1 for longer context tasks.
Which model has better overall pricing for heavy usage?
At 100 requests/day with 1,000 input and 500 output tokens each, GPT-4 Turbo costs about $75.00/month and Grok Code Fast 1 costs about $2.85/month. Overall, Grok Code Fast 1 has lower combined input + output rates ($0.20 in, $1.50 out) vs GPT-4 Turbo.

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