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

Pricing verified Apr 8, 2026

⚡ Quick Answer

Compare GPT-4 1.5-mini and Yi-Lightning across pricing, benchmarks, and capabilities.

Updated: April 8, 2026 · ✓ Pricing verified

Side-by-Side Comparison

FeatureGPT-4 1.5-miniYi-Lightning
ProviderOpenAI01.AI
Input Price / 1M tokens$0.150$0.140
Output Price / 1M tokens$0.600$0.140
Context Window
128K
16K
Max Output Tokens
4,096
4,096
Arena ELO
1,180
1,165
Coding ELO
1,200
1,170
TTFT (ms)
140
150
Tokens/sec
120
100
MultimodalNoNo
JSON ModeYesYes
Function CallingYesYes
VisionNoNo
When to Use GPT-4 1.5-mini

GPT-4 1.5-mini excels at cost-effective, general-purpose tasks.

Strengths:

  • Affordable
  • Fast
  • Large context

Best for:

cost-effectivegeneral-purpose
When to Use Yi-Lightning

Yi-Lightning excels at cost-effective, fast-inference tasks.

Strengths:

  • Very cheap
  • Very fast
  • Good quality

Best for:

cost-effectivefast-inference

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