← Back to Model Hub/SIDE-BY-SIDE REVIEW
SHARE THIS:

Claude Sonnet 4 vs Yi-Lightning

How do these models stack up? Below is an expert side-by-side comparison of specifications, context window capacity, live pricing per million tokens, and standardized benchmark scores for Claude Sonnet 4 and Yi-Lightning.

Anthropic

Claude Sonnet 4

Claude Sonnet 4 significantly enhances the capabilities of its predecessor, Sonnet 3.7, excelling in both coding and reasoning tasks with improved precision and controllability. Achieving state-of-the-art performance on SWE-bench (72.7%),...

View Full Specs
01.AI

Yi-Lightning

Yi-Lightning is 01.AI's (離一万物) fastest and most cost-efficient model, purpose-built for high-throughput production workloads. It delivers competitive performance against GPT-4o-mini and Claude Haiku at a fraction of the cost, with exceptional bilingual Chinese-English capabilities. Yi-Lightning excels at classification, entity extraction, summarization, and high-frequency API tasks where latency and cost-per-call are critical constraints.

View Full Specs

Technical Specifications

SpecificationClaude Sonnet 4Yi-Lightning
ProviderAnthropic01.AI
Context Window1,000,000 tokens131,072 tokens
Agent SuitabilityN/A82/100
Time to First Token (TTFT)N/A120 ms
Deployment Modelmanaged apimanaged api
Production Stabilitybetastable
API AvailableYesYes
Released Date2025-05-222025-10-01

API Pricing Comparison

Input Price per Million Tokens

Claude Sonnet 4

$3.00

Yi-Lightning

$0.15

Output Price per Million Tokens

Claude Sonnet 4

$15.00

Yi-Lightning

$0.30

Want to test both models live?

Run side-by-side prompt prompts in our dynamic Sandbox. Check execution speeds, latency metrics, and compute actual costs in real-time.

Open Live Sandbox Playground

Benchmark Performance Metrics

Scores show the raw performance percentages verified across key evaluation suites. Higher bars indicate superior accuracy and capability in that domain.

MMLUGeneral knowledge & multi-task understanding
8800.0%vsN/A
Claude Sonnet 4
Yi-Lightning
HumanEvalPython coding & logic synthesis
9150.0%vsN/A
Claude Sonnet 4
Yi-Lightning
MATHComplex mathematical problem solving
7880.0%vsN/A
Claude Sonnet 4
Yi-Lightning
GPQAGraduate-level expert reasoning
6050.0%vsN/A
Claude Sonnet 4
Yi-Lightning
HellaSwagCommonsense reasoning and inference
9500.0%vsN/A
Claude Sonnet 4
Yi-Lightning
MT-BenchMulti-turn conversation flow quality
920.0%vsN/A
Claude Sonnet 4
Yi-Lightning

Claude Sonnet 4 Quirks & Gotchas

No developer gotchas reported.

Yi-Lightning Quirks & Gotchas

  • β–ΈBest cost-efficiency for high-volume bilingual applications
  • β–ΈSelf-hostable via Ollama β€” excellent open-weight option for Asian-language pipelines