GPT-4.1 vs GPT-4o: Pricing, Benchmarks & Verdict (2026)

Verdict

GPT-4.1 is stronger for coding with a coding ELO of 1320 vs 1265. GPT-4.1 ranks higher overall with an Arena ELO of 1290 vs 1260. GPT-4.1 offers a larger 1048K context window vs 128K.

Side-by-Side Comparison

FeatureGPT-4.1GPT-4o
ProviderOpenAIOpenAI
Input Price / 1M tokens$2.00$2.50
Output Price / 1M tokens$8.00$10.00
Context Window1.047576M128K
Max Output Tokens32,76816,384
Arena ELO1,2901,260
Coding ELO1,3201,265
TTFT (ms)260230
Tokens/sec8895
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 GPT-4o

Choose GPT-4o when you need: fast response times, strong multimodal capabilities, code execution support. It excels at general-purpose, multimodal, function-calling tasks.

Strengths:

  • Fast response times
  • Strong multimodal capabilities
  • Code execution support

Best for:

general-purposemultimodalfunction-calling

Frequently Asked Questions

Related Comparisons