LLMversus

GPT-4 1.5-mini vs GPT-4o: Pricing, Benchmarks & Verdict (2026)

Pricing verified Apr 20, 2026By LLMversusUpdated June 14, 2026View methodology

⚡ Quick Answer

GPT-4.1 Mini is significantly cheaper at $0.40/$1.60 per million tokens vs $2.50/$10.00. GPT-4o is stronger for coding with a coding ELO of 1265 vs 1230. GPT-4o ranks higher overall with an Arena ELO of 1260 vs 1240. GPT-4.1 Mini offers a larger 1048K context window vs 128K.

Updated: April 20, 2026 · ✓ Pricing verified

Side-by-Side Comparison

FeatureGPT-4 1.5-miniGPT-4o
ProviderOpenAIOpenAI
Input Price / 1M tokens$0.400$2.50
Output Price / 1M tokens$1.60$10.00
Context Window
128K
128K
Max Output Tokens
4,096
16,384
Arena ELO
1,180
1,260
Coding ELO
1,200
1,265
TTFT (ms)
140
230
Tokens/sec
120
95
MultimodalNoYes
JSON ModeYesYes
Function CallingYesYes
VisionNoYes
When to Use GPT-4 1.5-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. Its 1048K context window is larger, making it better for long-document processing.

Strengths:

  • Affordable
  • Fast
  • Large context

Best for:

cost-effectivegeneral-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

Claude Opus 4 vs GPT-4oClaude Opus 4 vs GPT-4 1.5-miniGemini 2 5 Pro vs GPT-4oGemini 2 5 Pro vs GPT-4 1.5-miniGPT-4o vs O3GPT-4 1.5-mini vs O3Deepseek R1 vs GPT-4oDeepseek R1 vs GPT-4 1.5-miniGPT-4o vs O1GPT-4 1.5-mini vs O1GPT-4o vs Qwen 3 235bGPT-4 1.5-mini vs Qwen 3 235bGemini Exp 1206 vs GPT-4oGemini Exp 1206 vs GPT-4 1.5-miniGpt 4 5 vs GPT-4oGPT-4 1.5-mini vs Gpt 4 5GPT-4o vs Groq Deepseek R1GPT-4 1.5-mini vs Groq Deepseek R1GPT-4o vs Llama 4 MaverickGPT-4 1.5-mini vs Llama 4 Maverick