AI chat
AI chat with every top model in one place
15 models from 7 AI companies in one chat, each with a published count: from GPT-6 Luna, up to 60 messages a day on Pro, to Claude Fable 5.1, up to 31 messages a month. Each family has its own page below.
A real answer from our test runs
GPT-6 LunaWrite an email to Tom declining his invitation to a vendor demo on Wednesday at 11:00, because you're presenting to the board then. Offer Thursday at 10:00 or Friday at 14:00 instead. Polite and brief: at most 120 words.
GPT-6 Luna · passed our check · September 27, 2026
Subject: Vendor Demo Hi Tom, Thanks for the invitation. I’m presenting to the board on Wednesday at 11:00, so I can’t make the demo then. Would Thursday at 10:00 or Friday at 14:00 work instead? Best, [Your Name]
Ask your own question: sign up free for 5 messages on 12 of the models, no card.
Start freeTest runs and prices checked . Updated .
Short answer
Pick the model for each message. In our test runs, DeepSeek V4.1 Flash, an everyday model with 60 messages a day on Pro, passed 49 of 50 prompts; of the models on the monthly allowance, Gemini 3.1 Pro passed 49 of 50. Every family below has a page of its own.
Chat with one family
Each family's models with Pro's count on each, and its own chat page.
Claude Fable 5.1 (31 a month), Claude Opus 5.5 (62 a month), Claude Sonnet 5 (125 a month), Claude Haiku 4.5 (250 a month). Claude Sonnet 5 and Claude Haiku 4.5 in the free trial.
GPT-6 Astra (31 a month), GPT-6 Sol (125 a month), GPT-6 Luna (60 a day). GPT-6 Sol and GPT-6 Luna in the free trial.
Gemini 3.1 Pro (125 a month), Gemini 3.8 Flash (250 a month). All in the free trial.
DeepSeek V4 Pro (250 a month), DeepSeek V4.1 Flash (60 a day). All in the free trial.
Grok 4.7 (250 a month). All in the free trial.
Kimi K3 (125 a month). All in the free trial.
GLM 5.3 (250 a month), GLM 5.3 Flash (60 a day). All in the free trial.
Every limit is published. Paid plans also have a monthly fair-use limit on AI cost: Pro $7.50, Max $20, Ultra $42, Studio $85. Using every message on your plan at typical sizes stays under it; very large messages and heavy research use it faster. Every limit, explained.
Which model for which job
The model that passed the most of each job's prompts in our runs. On most jobs many models passed every prompt, so the pick is the one that costs least of them: for these, a flagship isn't needed.
Coding
GLM 5.3 Flash, 5 of 5 passed (2 of 2 hard). 12 other models passed as many; GLM 5.3 Flash costs less.
Writing
GPT-6 Luna, 5 of 5 passed (2 of 2 hard). GPT-6 Astra passed as many; GPT-6 Luna costs less.
Math
GLM 5.3 Flash, 5 of 5 passed (2 of 2 hard). 13 other models passed as many; GLM 5.3 Flash costs less.
Summarization
DeepSeek V4.1 Flash, 5 of 5 passed (2 of 2 hard). 6 other models passed as many; DeepSeek V4.1 Flash costs less.
Data analysis
GPT-6 Luna, 5 of 5 passed (2 of 2 hard). 10 other models passed as many; GPT-6 Luna costs less.
Customer support
DeepSeek V4.1 Flash, 5 of 5 passed (2 of 2 hard). 4 other models passed as many; DeepSeek V4.1 Flash costs less.
Translation
GPT-6 Luna, 5 of 5 passed (2 of 2 hard). 13 other models passed as many; GPT-6 Luna costs less.
SQL
GPT-6 Luna, 5 of 5 passed (2 of 2 hard). 14 other models passed as many; GPT-6 Luna costs less.
RAG and answering from documents
GPT-6 Luna, 5 of 5 passed (2 of 2 hard). 14 other models passed as many; GPT-6 Luna costs less.
Agents and tool use
GPT-6 Luna, 5 of 5 passed (2 of 2 hard). 13 other models passed as many; GPT-6 Luna costs less.
More ways to chat
The other chat pages, each with its own models and test results.
- Free AI chat, and exactly what's free
- Ask AI anything, and ask more than one
- An AI assistant with every top model, and you pick which
- Talk to AI, in a conversation that keeps its thread
- Free GPT-6 chat: try GPT-6 Luna and Sol
- Multi-model AI chat: every family, one subscription
- Compare AI answers side by side
- Chat with Claude online
- Chat with GPT-6 online
- Chat with Gemini online
- Chat with Grok online
- Chat with DeepSeek online
- Chat with Kimi online
Questions
Is this AI chat free?
To try, yes: sign up with your email and you get 5 free messages, once, on 12 of the 15 models (every model but Claude Fable 5.1, Claude Opus 5.5, and GPT-6 Astra); no card. If the free-message box shows on this page, one message needs no account at all: GPT-6 Luna answers it. After that, Pro is $20 a month.
Which AI chat model is best?
It depends on the job. In our test runs on September 27, 2026, DeepSeek V4.1 Flash passed the most prompts (49 of 50), and DeepSeek V4.1 Flash did best of the everyday models (49 of 50), which Pro gives 60 of a day. Start on an everyday model and move up when an answer matters.
Can I switch models in the middle of a chat?
Yes. Pick another model for the next message: it sees the whole conversation, and the message box shows what that message counts as before you send it.
Do I need to install an app?
No: llmwise runs in your browser. You sign in with a link sent to your email, with no password to set.
Claude, GPT, Gemini, DeepSeek, Grok, Kimi, and GLM, in one chat.
See what a message costs before you send it. Free is 5 messages to try; sign in with an email link, no password or card.