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

Pricing verified Apr 8, 2026

⚡ Quick Answer

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

Updated: April 8, 2026 · ✓ Pricing verified

Side-by-Side Comparison

FeatureGPT-4oYi-Lightning
ProviderOpenAI01.AI
Input Price / 1M tokens$2.50$0.140
Output Price / 1M tokens$10.00$0.140
Context Window
128K
16K
Max Output Tokens
16,384
4,096
Arena ELO
1,260
1,165
Coding ELO
1,265
1,170
TTFT (ms)
230
150
Tokens/sec
95
100
MultimodalYesNo
JSON ModeYesYes
Function CallingYesYes
VisionYesNo
When to Use GPT-4o

GPT-4o excels at general-purpose, multimodal, function-calling tasks.

Strengths:

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

Best for:

general-purposemultimodalfunction-calling
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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