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GPT-4.1 vs Grok 3: Pricing, Benchmarks & Verdict (2026)

Verdict

GPT-4.1 is significantly cheaper at $2.00/$8.00 per million tokens vs $3.00/$15.00. GPT-4.1 is stronger for coding with a coding ELO of 1320 vs 1290. GPT-4.1 offers a larger 1048K context window vs 128K.

Side-by-Side Comparison

FeatureGPT-4.1Grok 3
ProviderOpenAIxAI
Input Price / 1M tokens$2.00$3.00
Output Price / 1M tokens$8.00$15.00
Context Window1.047576M128K
Max Output Tokens32,76816,384
Arena ELO1,2901,300
Coding ELO1,3201,290
TTFT (ms)260300
Tokens/sec8880
MultimodalYesYes
JSON ModeYesYes
Function CallingYesYes
VisionYesYes
When to Use GPT-4.1

Choose GPT-4.1 when you need: 1m token context window, excellent coding performance, strong instruction following, competitive pricing for its capability. It excels at coding, long-context, agents, general-purpose tasks. It is also the more cost-effective option between the two. Its 1048K context window is larger, making it better for long-document processing.

Strengths:

  • 1M token context window
  • Excellent coding performance
  • Strong instruction following
  • Competitive pricing for its capability

Best for:

codinglong-contextagentsgeneral-purpose
When to Use Grok 3

Choose Grok 3 when you need: strong benchmark performance, good reasoning capabilities, vision and multimodal support, fast for its capability tier. It excels at general-purpose, reasoning, coding tasks.

Strengths:

  • Strong benchmark performance
  • Good reasoning capabilities
  • Vision and multimodal support
  • Fast for its capability tier

Best for:

general-purposereasoningcoding

Frequently Asked Questions

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