Gemini 2.5 Pro vs GPT-4.1: Pricing, Benchmarks & Verdict (2026)

Verdict

Gemini 2.5 Pro is stronger for coding with a coding ELO of 1350 vs 1320. Gemini 2.5 Pro ranks higher overall with an Arena ELO of 1340 vs 1290.

Side-by-Side Comparison

FeatureGemini 2.5 ProGPT-4.1
ProviderGoogleOpenAI
Input Price / 1M tokens$1.25$2.00
Output Price / 1M tokens$10.00$8.00
Context Window1.048576M1.047576M
Max Output Tokens65,53632,768
Arena ELO1,3401,290
Coding ELO1,3501,320
TTFT (ms)400260
Tokens/sec7088
MultimodalYesYes
JSON ModeYesYes
Function CallingYesYes
VisionYesYes
When to Use Gemini 2.5 Pro

Choose Gemini 2.5 Pro when you need: 1m token context window, excellent reasoning capabilities, strong coding performance, native multimodal support. It excels at coding, reasoning, long-context, multimodal tasks. Its 1049K context window is larger, making it better for long-document processing.

Strengths:

  • 1M token context window
  • Excellent reasoning capabilities
  • Strong coding performance
  • Native multimodal support

Best for:

codingreasoninglong-contextmultimodal
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.

Strengths:

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

Best for:

codinglong-contextagentsgeneral-purpose

Frequently Asked Questions

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