GPT-4.1 vs Grok 4.5: Pricing Comparison

Compare pricing, capabilities, and costs for your LLM workloads.

OpenAI

GPT-4.1

Pricing (per 1M tokens)

Input$2.00
Output$8.00
Cached Input$0.5000
Batch Input$1.00
Batch Output$4.00

Context & Output

Context Window1.0M tokens
Max Output32.8K tokens

Capabilities

Categoryflagship
Multimodaltext + image
Fine-tuningYes
StreamingYes

xAI

Grok 4.5

Pricing (per 1M tokens)

Input$2.00
Output$6.00
Cached Input$0.3000

Context & Output

Context Window500K tokens
Max Output32.8K tokens

Capabilities

Categoryflagship
Multimodaltext + image
Fine-tuningNo
StreamingYes

Quick Verdict

Cheaper Input Price

Grok 4.5

0.0% cheaper

Cheaper Output Price

Grok 4.5

25.0% cheaper

Larger Context Window

GPT-4.1

+547.6K tokens

Cost Comparison

Sample workload: 1,000,000 input tokens + 1,000,000 output tokens

GPT-4.1

$10.00

$2.00/1M input + $8.00/1M output

Grok 4.5

$8.00

$2.00/1M input + $6.00/1M output

Grok 4.5 is 20.0% cheaper for this workload.

Frequently Asked Questions

Which is cheaper, GPT-4.1 or Grok 4.5?
For input tokens, Grok 4.5 is cheaper at $2.00 per 1M tokens. For output tokens, Grok 4.5 is cheaper at $6.00 per 1M tokens. The overall cost depends on your workload's input/output ratio.
What is the context window size of GPT-4.1 vs Grok 4.5?
GPT-4.1 has a context window of 1.0M tokens, while Grok 4.5 has 500K tokens. GPT-4.1 supports a larger context window of 1.0M tokens, which is beneficial for processing longer documents.

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