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

Verdict

GPT-4.1 Mini is significantly cheaper at $0.40/$1.60 per million tokens vs $1.25/$10.00. Gemini 2.5 Pro is stronger for coding with a coding ELO of 1350 vs 1230. GPT-4.1 Mini is faster at 115 tokens/sec vs 70 tokens/sec. Gemini 2.5 Pro ranks higher overall with an Arena ELO of 1340 vs 1240.

Side-by-Side Comparison

FeatureGemini 2.5 ProGPT-4.1 Mini
ProviderGoogleOpenAI
Input Price / 1M tokens$1.25$0.400
Output Price / 1M tokens$10.00$1.60
Context Window1.048576M1.047576M
Max Output Tokens65,53632,768
Arena ELO1,3401,240
Coding ELO1,3501,230
TTFT (ms)400190
Tokens/sec70115
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 Mini

Choose GPT-4.1 Mini when you need: 1m token context window at low cost, great balance of speed and quality, strong coding for a mini model, affordable for high-volume use. It excels at chatbots, long-context, cost-sensitive tasks. It is also the more cost-effective option between the two.

Strengths:

  • 1M token context window at low cost
  • Great balance of speed and quality
  • Strong coding for a mini model
  • Affordable for high-volume use

Best for:

chatbotslong-contextcost-sensitive

Frequently Asked Questions

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