LLMversus

Grok 2 Vision vs Yi-Lightning: Pricing, Benchmarks & Verdict (2026)

Pricing verified Sep 14, 2026By LLMversusUpdated September 17, 2026View methodology

⚡ Quick Answer

Compare Grok 2 Vision and Yi-Lightning across pricing, benchmarks, and capabilities.

Updated: September 14, 2026 · ✓ Pricing verified

Side-by-Side Comparison

FeatureGrok 2 VisionYi-Lightning
ProviderxAI01.AI
Input Price / 1M tokens$2.00$0.140
Output Price / 1M tokens$10.00$0.140
Context Window
8.192K
16K
Max Output Tokens
4,096
4,096
Arena ELO
1,230
1,165
Coding ELON/A1,170
TTFT (ms)
150
150
Tokens/sec
100
100
MultimodalYesNo
JSON ModeYesYes
Function CallingYesYes
VisionYesNo
When to Use Grok 2 Vision

Grok 2 Vision excels at multimodal, vision tasks.

Strengths:

  • Vision capabilities
  • Good multimodal understanding

Best for:

multimodalvision
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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