SiliconFlow vs Upstage: Token Pricing, Speed & Intelligence
Full comparison of SiliconFlow and Upstage — live token pricing, latency, throughput, context window, strengths, weaknesses, and best use cases. Rates sourced from public APIs — verify before use.
SiliconFlow
Chinese LLM inference platform with CNY pricing
SiliconFlow (siliconflow.cn) is an LLM inference platform offering access to models including GLM and DeepSeek families via an OpenAI-compatible API, with pricing denominated in CNY.
Upstage
Solar Pro 4, Solar Pro 3, Solar Pro 2 — Korean frontier models with strong multilingual performance
Upstage is a Korean AI company offering the Solar model family via API. Solar Pro 4 is the current flagship, with Solar Pro 3 and Solar Pro 2 available at lower price points. The Solar models are known for strong multilingual performance, particularly in Korean and English, and competitive pricing relative to their capability tier. Pricing is published at upstage.ai/pricing.
Key metric comparison
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Live token pricing
Strengths and weaknesses
Upstage
Key differentiators
Korean-built Solar models with strong multilingual performance and competitive frontier-tier pricing — Solar Pro 4 at $0.30/$1.20 per 1M tokens.
Frequently asked questions
SiliconFlow FAQs
What is SiliconFlow?
SiliconFlow is an LLM inference platform offering access to models including GLM and DeepSeek families. See siliconflow.cn for details.
What currency does SiliconFlow use for pricing?
SiliconFlow prices are denominated in CNY. See siliconflow.cn/pricing for current rates.
Is the SiliconFlow API OpenAI-compatible?
SiliconFlow provides an OpenAI-compatible API. See siliconflow.cn for endpoint details.
Upstage FAQs
What is Upstage Solar?
Upstage Solar is a family of LLMs from Korean AI company Upstage. Solar Pro 4 is the current flagship, with Solar Pro 3 and Solar Pro 2 at lower price points. See upstage.ai/pricing for current rates.
How much does Upstage Solar cost?
As of October 2026: Solar Pro 4 $0.30/$1.20 per 1M tokens, Solar Pro 3 $0.15/$0.60, Solar Pro 2 $0.15/$0.60. See upstage.ai/pricing for current rates.
Is Upstage good for Korean language tasks?
Yes. The Solar model family is developed by a Korean AI company and shows strong performance on Korean-language benchmarks, making it a top choice for Korean NLP workloads.
Provider resources
SiliconFlow — Chinese LLM inference platform with CNY pricing
SiliconFlow (siliconflow.cn) is an LLM inference platform offering access to models including GLM and DeepSeek families via an OpenAI-compatible API, with pricing denominated in CNY.
Upstage — Solar Pro 4, Solar Pro 3, Solar Pro 2 — Korean frontier models with strong multilingual performance
Upstage is a Korean AI company offering the Solar model family via API. Solar Pro 4 is the current flagship, with Solar Pro 3 and Solar Pro 2 available at lower price points. The Solar models are known for strong multilingual performance, particularly in Korean and English, and competitive pricing relative to their capability tier. Pricing is published at upstage.ai/pricing.
Korean-built Solar models with strong multilingual performance and competitive frontier-tier pricing — Solar Pro 4 at $0.30/$1.20 per 1M tokens.
Key strengths compared
SiliconFlow
Upstage
- Solar Pro 4: competitive frontier-tier pricing at $0.30/$1.20 per 1M tokens
- Strong multilingual performance — Korean and English
- Three-tier model family: Solar Pro 4, 3, and 2 for different cost/quality trade-offs
- Smaller global ecosystem than OpenAI or Anthropic
- Limited model variety beyond the Solar family
Key weaknesses compared
SiliconFlow
Upstage
- Smaller global ecosystem than OpenAI or Anthropic
- Limited model variety beyond the Solar family
- Less documentation in English than major US providers
Provider category context
SiliconFlow is a inference api. Upstage is a frontier lab, founded in 2020. SiliconFlow as an inference API provider hosts open-weight models — typically offering lower prices for equivalent capability tiers. Upstage as a frontier lab trains and serves proprietary models with capabilities not available elsewhere.
How to choose between them
Choose SiliconFlow if you need . Choose Upstage if you need solar pro 4: competitive frontier-tier pricing at $0.30/$1.20 per 1m tokens. For high-volume production workloads, run a cost comparison using the token pricing table above with your actual prompt/completion token ratio — the cheapest provider depends heavily on your input-to-output token ratio.