Chatting with several AI models
Choose the right model to write, plan, analyze or create images.
Quick answerThe model picker sits at the top of the conversation and starts on Best (Auto), which chooses for you. To switch, click it and choose another one.
Before you start
- Define the main task of the conversation.
- Gather the facts, references and rules the AI needs to follow.
Step by step
1Start a new conversation
In BestChat, start a conversation.
2Open the picker
Click the picker at the top, which shows Best (Auto).
3Choose the model
Read the description of each option and choose by task.
4Send the request
Send the request with the context it needs.
5Compare
Want another approach? Switch models and send the request again.
How to choose
- Quick texts: models built for speed.
- Planning and analysis: models with more detailed reasoning.
- Images: a model that generates images.
- Not sure: leave it on Best (Auto).
The available models
- Automatic: Best (Auto).
- OpenAI: GPT-5.6 Sol, GPT-5.6 Terra, GPT-5.5, GPT-5.4 Mini, GPT-5 and GPT-5 Nano.
- Anthropic: Claude Opus 5, Claude Sonnet 5 and Claude Haiku 4.5.
- Google: Gemini 3.5 Flash, Gemini 3.1 Pro (MAX) and Gemini 2.5 Flash.
- Image: Nano Banana 1, Nano Banana 2, Gemini 3 Pro Image, GPT Image 1 Mini and GPT Image 2.
Lock and free trials
Models outside your plan show a lock in the picker. Claude Opus 5, GPT-5.6 Sol and GPT-5.6 Terra come with 3 free trials. The list changes with updates: the picker always shows the one for your account.
How to know it worked
- The answer meets the goal and the format you asked for.
- You checked the important facts before using it.
If something doesn't go as expected
- Say what went wrong and ask for a specific revision.
- Split long requests into smaller steps.
- Start a new conversation if the earlier context is getting in the way.
Related guides
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