Tools
Solar Pro 2 vs Yi
Solar Pro 2 or Yi? Their plans monthly and yearly, the capabilities their makers state, security and latest updates, side by side — read from the makers' own pages.
In inglese
In short
- Both: Developer API
Solar Pro 2
Solar Pro 2 is Upstage’s 31B multilingual language model for reasoning, generation, and tool-integrated workflows.
Plans
Solar Pro 2
- 0.15 1M tokens
- 0.015 1M tokens
- 0.6 1M tokens
- High-performance enterprise LLM for complex reasoning and generation
- Input
- Input(Cached)
- Output
Prices checked 2026-09-25 on the maker’s page.
Capabilities
- Developer API — “Solar Pro 2 (30 req/sec)” source
Latest updates
- Solar Pro 4: The Agentic Model That Finishes the Job
Agentic LLM built for multi-step real work: tool calling, terminal tasks, and long-document reasoning.
- Solar Pro 3: Better reasoning at production scale
Improves reasoning and instruction-following for production workloads while maintaining efficiency.
- Solar Pro 2: Fluent. Reasoning. Frontier.
Solar Pro 2 supports multilingual processing, advanced reasoning, and real-world tool use.
Yi
Yi is 01.AI’s open-source, bilingual language-model family with local deployment options and an OpenAI-compatible API.
Plans
Enterprise / TrueNorth
Price on request
- Boss AI, Investor AI, TopSales AI decision products
- Full-stack enterprise AI solutions and agent deployments
- Industry and sovereign model training
- Strategy consultation + FDE co-creation model
Prices checked 2026-09-25 by web search.
Capabilities
- Developer API — “01.AI API Platform” source