Solar Pro 3 is Upstage's powerful Mixture-of-Experts (MoE) language model. With 102B total parameters and 12B active parameters per forward pass, it delivers exceptional performance while maintaining computational efficiency. Optimized...
With CoreAI, you can start chatting with Upstage: Solar Pro 3 instantly — no separate subscription needed. CoreAI lets you chat with Upstage: Solar Pro 3 alongside 300+ other AI models from Upstage and other providers like OpenAI, Anthropic, Google, Meta, and more.
Upstage: Solar Pro 3 holds the #273 spot for context size out of 392 chat models in the CoreAI catalog — 131K tokens, roughly 98,304 words or 197 pages of text in a single conversation. On price, it is the #82 cheapest of 128 budget-tier models by input cost. It joined the catalog on 2026-01-27. It supports step-by-step reasoning (thinking mode).
Every model in this table is available on CoreAI — open the web app and run the same prompt through Upstage: Solar Pro 3 and Upstage: Solar Pro 4 side by side to judge with your own eyes.
A typical question (about 1,000 tokens in, 500 out) runs $0.00045 on Upstage: Solar Pro 3's raw per-token rates; a heavy session with a 50K-token document costs about $0.010. On CoreAI you don't juggle these numbers — one subscription covers Upstage: Solar Pro 3 and 300+ other models under a plan usage limit, with no API keys. See plans.
Upstage: Solar Pro 3 handles 131K tokens of context — roughly 98,304 words, or about 197 pages of text in one conversation.
Upstage: Solar Pro 3's underlying rates are $0.15 per 1M input tokens and $0.6 per 1M output tokens. On CoreAI it is included in one subscription alongside 300+ models, so there is no per-token billing to manage.
No — Upstage: Solar Pro 3 is text-only. If you need image understanding, its budget-tier peers with vision are listed in the comparison table above.
Yes. Upstage: Solar Pro 3 can work through problems step by step before answering; on CoreAI you can toggle thinking mode per message.
Open the CoreAI web app or the iOS/Android app, pick Upstage: Solar Pro 3 in the model selector, and chat — no API key, no per-token billing. One subscription covers Upstage: Solar Pro 3 and 300+ other models.
The closest alternatives on CoreAI are Upstage: Solar Pro 4, Google: Gemma 4 26B A4B (free), inclusionAI: Ling-2.6-flash — similar tier and capability. The fastest way to choose is running one prompt through them side by side in CoreAI's Compare view.
Chat with Upstage: Solar Pro 3 and 300+ other AI models — all in one app.