T3 Chat
AI chat platform aggregating multiple mainstream large models, supporting coding, reasoning, and agent tasks
About T3 Chat
T3 Chat is an AI chat service operated by T3 Tools, Inc., offering multiple series of large models in one interface: Claude Sonnet 5.5 for coding and everyday tasks, Claude Opus 5 and Claude Opus 5.5 for demanding agent work, Gemini 4 Argon focused on deep reasoning across coding, math, and agents, GPT-6 Astra for complex agent tasks, and GPT-6 Sol for complex coding and reasoning. The terms of service state that the service is free within a certain usage allowance and that exceeding the allowance may require purchasing additional resources and paying fees; the official site offers a $8/month Upgrade to unlock all models. Use of the service requires users to be 13 or older, and users may cancel the subscription at any time, but no refund is received after cancellation; the privacy policy covers the T3 Chat site and its associated services (including UploadThing).
Best for
Best use cases
Coding and everyday task handling
High-intensity agent tasks and complex agent work
Deep reasoning across coding, math, and agents
Complex coding and reasoning
Features
Unified multi-model entry
Switch between Claude Sonnet 5.5, Claude Opus 5, Claude Opus 5.5, Gemini 4 Argon, GPT-6 Astra, and GPT-6 Sol in the same model selector.
Pick the model tier by task
Models are tiered by price label: the $$ tier suits fast everyday work and deep reasoning, while the $$$+ tier suits demanding agent work.
Free allowance and unified upgrade
The service is free within a certain usage allowance, and the $8/month upgrade on the site unlocks all models.
Public terms and privacy notice
The privacy policy covers the T3 Chat site and associated services (including UploadThing), and the terms of service set rules for age, refunds, and termination.
Pros
- Models from the Claude, Gemini, and GPT series in one interface
- Clear model positioning: fast everyday use, deep reasoning, complex agent work each have their own fit
- Directly usable within the free usage allowance; upgrading unlocks all models
- The terms allow users to cancel the subscription themselves at any time
Cons
- No refund is received after account cancellation
- Use and registration both require an age of 13 years; minors are not eligible
Pricing Plans
Unlock all models
- Unlock all models
- Covers Claude Sonnet 5.5, Claude Opus 5, Claude Opus 5.5, Gemini 4 Argon, GPT-6 Astra, and GPT-6 Sol
- For continued use beyond the free usage allowance
* Pricing information is for reference only. Please refer to the latest announcement on T3 Chat's official website.