Plans & Pricing

Brains Copilot pricing

One price, every AI model, 370+ skills and the full legal workspace. Start free, no card.

All models in one account
Free without a card: 25 msgs/day
No lock-in — cancel anytime
Refer friends and earn credits
Free
Get started, no strings attached.
$ 0
  • 25 free messages a day
  • Fast models: Cerebras, Groq and Llama
  • Web search + 10 tools (company, postal, weather…)
  • Attach PDFs with OCR and talk by voice
Start free
MOST POPULAR
Pro
For lawyers and professional use.
$ 1.99$ 19
first 7 days · then $ 19/mo
  • 800 messages/day + premium credits (5h + weekly)
  • Full legal workspace: briefs, contracts & court lookups
  • Premium models: DeepSeek V3, Mistral Medium 3, MiniMax M1
  • 370+ skills, vision and image generation
Subscribe to Pro
MAX POWER
Pro Max
For heavy use, with the best models.
$ 42/mo

Everything in Pro, plus:

  • Claude Fable 5, Opus 4.8, GPT-5.6 Luna Pro and Grok 4.5
  • 3,000 messages/day + 3–5× more premium usage
  • Automatic skills: the AI picks the specialist
  • Top models in the legal workspace too
Subscribe to Pro Max
Feature
Free
$ 0
Pro
$ 19/mo
Pro Max
$ 42/mo
Usage and limits
Free messages per day
Free models — reset at midnight
258003.000
Premium usage every 5 hours
Renews automatically each window
Weekly usage cap
Maximum accumulated over 7 days
Top-ups
One-time recharges with no expiration
Available AI models
Free model
4 free models — fast, for everyday use
Pro catalog (most of the 60 models)
Claude Sonnet 5 · GPT-5.6 Luna · Gemini 3.5 Flash · DeepSeek V4 · Kimi K3 · Qwen · Mistral · Nova
Code specialists
GPT-5.3 Codex, Codex Max and Codex Mini · Qwen3 Coder · Kimi K2.7 Code
Top tier
Claude Opus 4.8 and Fable 5 · GPT-5.6 Luna/Terra/Sol Pro · Gemini 3.1 Pro · Grok 4.5 · o3
Chat features
Vision — analyze images
PDF and documents with OCR
Text-to-image generation
Microphone and voice replies
Conversation history
Reasoning panel (think mode)
Copy · edit · 👍/👎 · ↻ Regenerate
Export answers to Word & PDF
Share conversations via public link
Saved prompts, synced
API, CLI & VS Code extension
Use your account outside the site
Tools & legal workspace
Web search with cited sources
Up-to-date answers, with links to where they came from
13 connected tools
Court cases (CNJ/DataJud) · official súmulas · company records · postal codes · indices · gazettes · weather
Automatic check of cited súmulas
STF, STJ and TST — warns if the number doesn't exist or the súmula was cancelled
Legal workspace with guided shortcuts
Complaints, contracts, opinions, appeals, deadlines and more
Deadline agenda with calendar
Email alerts 3 days before, the day before and on the due date
Case monitoring with entry alerts
We check CNJ/DataJud twice a day and email you
Premium models in the legal workspace
Claude and GPT for complex drafting
Specialized Skills and Agents
Skills by command
/skill name message
Automatic skills
The AI detects the context and activates the agent itself
Full library with 370+ skills
Legal · Dev · Data · Marketing · Education
Interactive 3D Skills Map
Knowledge-graph visualization at /mapa

Top-ups

Ran out of premium usage in the middle of a work spike? A top-up covers it — no plan change needed.

Your quota renews on its own
Plan premium usage comes back every 5 hours, with a weekly cap. Top-ups are not a subscription.
The top-up covers the spike
When the plan quota runs out, your credits kick in automatically — no interruption.
It never expires
Whatever you don't use stays in your account until you need it. No deadline, no catch.
To cover a spike
300 credits
$6✓ never expires
Most popularMost popular
800 credits
$12✓ never expires
Monthly reserve
2.000 credits
$24✓ never expires

Available in Account after subscribing. The top-up adds to your premium usage and is consumed when the 5h window runs out.

Cost per model

ModelConsumptionMinimum plan
4 free models (GPT-OSS 120B, GPT-OSS 20B, Qwen 3.6)○○○Free
Claude Sonnet 5 · GPT-5.6 Luna · Gemini 3.5 Flash · DeepSeek · Kimi K3 · GPT Codex●○○Pro
Claude Opus 4.7 · GPT-5.6 Luna Pro · Gemini 3.1 Pro · o3●●○Pro Max
Claude Opus 4.8 and Fable 5 · Grok 4.5●●●Pro Max

Frequently asked questions

What is premium usage?

Premium usage measures the computing cost of premium models. Free models use 0. Premium ones use more or less depending on the model's power. It renews every 5h and has a weekly cap.

Does Free really not need a card?

Correct. Create an account and start using it. No card, no trial — it's truly free, 25 messages per day.

What happens when premium usage runs out?

You keep using the free models without limit. Premium usage renews on its own in the next 5h window. To continue on premium right now: buy a top-up.

Can I cancel anytime?

Yes. Account → Manage subscription → cancel. You keep the plan until the end of the paid period, with no extra charges.

Pro vs Pro Max — when is it worth upgrading?

Pro Max is worthwhile when you need Claude Fable 5, Claude Opus 4.8, GPT-5.6 Luna Pro or Grok 4.5, automatic skills, or Multiple Agents with three specialists and a synthesis. Pro is enough for heavy use of mid-tier models.

Do web search and tools cost extra?

They're included in every plan, Free included. A message with tools enabled consumes double the usage, because the AI makes several calls behind the scenes (search, read sources, answer).

How do I earn free credits?

Refer friends: in Account → Refer & earn, copy your link. Each friend who signs up gives you +200 premium credits — and they start with a +100 bonus.

Secure payment by Stripe
Cancel anytime, no penalty
Your data protected (LGPD)
Official CNJ data (DataJud)

Ready to start?

Free unlocks 25 messages per day — no card, no deadline.