Best free Upstage Solar Chat alternatives

Looking for a free alternative to Upstage Solar Chat? Here are 9 general purpose chatbots worth trying — 9 with a free tier. Upstage Solar Chat itself is free tier + paid.

ToolUpstage Solar Chat (you searched)Meta AIQwen ChatKimi
Pricingfreemiumfreefreefree
Best forFree hosted chat interface for South Korea's Solar Pro model family, no API key needed to try itFree assistant now powered by Meta's Muse Spark modelsFree access to Alibaba's latest Qwen3.x models, including the Max tierFree access to Moonshot's Kimi K3 and K2-series agentic models
VisitOpen ↗Open ↗Open ↗Open ↗

Upstage Solar Chat alternatives — straight answers

What is the best free alternative to Upstage Solar Chat?

Meta AI is the closest free alternative to Upstage Solar Chat: same General Purpose Chatbots sub-category, and it is free. Free assistant now powered by Meta's Muse Spark models

Are there free Upstage Solar Chat alternatives?

Yes — 9 of the 9 alternatives listed here are free or freemium: Meta AI, Qwen Chat, Kimi, HuggingChat, Sakana Chat. None of them are paid-only.

Is Upstage Solar Chat free?

Upstage Solar Chat is free tier + paid. There is a free tier you can work in, with paid plans above it.

How were these Upstage Solar Chat alternatives chosen?

They are the other tools in General Purpose Chatbots, then the rest of AI Chat & Assistants, ordered free tiers first and capped at 9. There is no sponsorship and no paid placement in that ordering — only the pricing tier decides.

All Upstage Solar Chat alternatives

Browse General Purpose Chatbots →

Meta AI

General Purpose Chatbots
free

✦ WhyA Upstage Solar Chat alternative — Free assistant now powered by Meta's Muse Spark models.

  • Free assistant now powered by Meta's Muse Spark models
  • Built into WhatsApp, Instagram, Messenger and Ray-Ban Meta glasses
  • Image generation and editing in chat
  • Real-time web answers

Qwen Chat

General Purpose Chatbots
free

✦ WhyA Upstage Solar Chat alternative — Free access to Alibaba's latest Qwen3.x models, including the Max tier.

  • Free access to Alibaba's latest Qwen3.x models, including the Max tier
  • Strong multilingual and coding performance
  • Vision, web search, deep research and artifacts
  • Many of the same models ship as open weights you can run locally

Kimi

General Purpose Chatbots
free

✦ WhyA Upstage Solar Chat alternative — Free access to Moonshot's Kimi K3 and K2-series agentic models.

  • Free access to Moonshot's Kimi K3 and K2-series agentic models
  • Very long context for large documents
  • Open weights, strong on agentic and coding tasks
  • Built-in research, browsing and agent modes

HuggingChat

General Purpose Chatbots
free

✦ WhyA Upstage Solar Chat alternative — Completely free and open-source.

  • Completely free and open-source
  • Switch between top open models (Llama, Qwen, DeepSeek…)
  • Web search and tools enabled
  • Community assistants

Sakana Chat

General Purpose Chatbots
free

✦ WhyA Upstage Solar Chat alternative — Free general-public chat service from Sakana AI, built on its own Namazu model.

  • Free general-public chat service from Sakana AI, built on its own Namazu model
  • Real-time web search integration and three selectable tones including a distinct 'Osaka' dialect style
  • Launched March 2026 as Sakana's pivot from pure R&D into consumer products alongside Marlin and Fugu

Falcon LLM Chat (TII)

General Purpose Chatbots
free

✦ WhyA Upstage Solar Chat alternative — Free public playground for Abu Dhabi TII's open-weight Falcon models.

  • Free public playground for Abu Dhabi TII's open-weight Falcon models
  • Falcon-H1 Arabic leads the Open Arabic LLM Leaderboard across model sizes
  • Fully open-source, permissively licensed models downloadable from Hugging Face

Jais Chat

General Purpose Chatbots
free

✦ WhyA Upstage Solar Chat alternative — Bilingual Arabic/English chatbot built on Jais 30B/70B, the leading Arabic-trained LLM family.

  • Bilingual Arabic/English chatbot built on Jais 30B/70B, the leading Arabic-trained LLM family
  • Trained on 475B+ Arabic tokens, culturally and linguistically tuned rather than translated
  • Free web and mobile app with model choice (fast 30B vs precise 70B vs K2-Diamond-Chat for math/code)

Pi (Inflection AI)

General Purpose Chatbots
free

✦ WhyA Upstage Solar Chat alternative — Fully free personal-AI chatbot with no subscription tier at all — unlimited conversations, no paywall.

  • Fully free personal-AI chatbot with no subscription tier at all — unlimited conversations, no paywall
  • Voice mode with 8 selectable voices, plus iOS/Android/web/Apple Messages clients
  • Tuned for supportive, conversational tone rather than task-completion, a distinct niche from utility chatbots

Xiaomi MiMo Studio

General Purpose Chatbots
freeNew

✦ WhyA Upstage Solar Chat alternative — Xiaomi's web chat for its open-source MiMo MoE models (MIT license) with classic, deep-reasoning and web-search modes.

  • Xiaomi's web chat for its open-source MiMo MoE models (MIT license) with classic, deep-reasoning and web-search modes
  • Sign in with a Xiaomi account
  • Latest listed models MiMo-V2.6-Flash and Pro (Sept 2026)

Upstage Solar Chat head-to-head