Blackbox.AI
Run Claude, GPT, Gemini, and Grok side by side, then let a "Chairman" AI pick the best output.
Overview
Blackbox.AI's headline feature is running multiple agents (Claude Code, Codex, Grok, its own models, and others) on the same task in parallel, then having a "Chairman" model score the results on correctness, performance, and complexity before opening a pull request with the winner. It also has a genuinely strong image-to-code feature for turning UI screenshots or Figma exports into working HTML/CSS. That ambition doesn't always land, independent reviews describe inconsistent reliability on complex, multi-file tasks, sometimes needing significant manual correction.
Key Features
Multi-Agent Execution: Runs multiple agents, including Claude Code, Codex, Grok, and Blackbox's own models, on the same task at once.
Chairman Model: A dedicated model scores and merges the competing outputs, then auto-opens the winning pull request.
Image-to-Code: Turns UI screenshots or Figma exports into working HTML/CSS/Tailwind.
Encrypted Inference: End-to-end encrypted inference with customer-managed keys.
Multi-Platform Access: Available as a CLI, an OpenAI-compatible API, and a VS Code integration.
Throughput Claim: Blackbox claims 60% higher output throughput compared to calling OpenAI directly.
Pricing
Starting price
$10/mo
Pro: $10/month. $20 in credits usable across xAI, Anthropic, OpenAI, and 400+ models, unlimited free agent requests, access to all chat models and the voice agent.
Pro Plus: $20/month. $40 in credits across 200+ models, multi-agent execution and app builder, coding agent across 35+ IDEs plus web and terminal, remote agent for data analysis, priority access during peak times, Slack integration, end-to-end chat encryption, auto-refill.
Pro Max: $40/month. $80 in credits across 400+ models, everything in Pro Plus plus team collaboration, centralized billing, advanced security controls, SAML SSO, priority support, usage analytics, and Figma-to-code conversion.
Enterprise: Custom pricing. Training opt-out by default with on-premise deployment options, dedicated support with custom SLAs, SAML SSO, and advanced security controls.
Disclaimer: pricing may change, confirm on Blackbox.AI's own pricing page before buying.
Pros
Multi-Agent Workflow: The "Chairman" system runs several frontier models on one task and automatically picks the strongest result.
Image-to-Code Strength: Converting screenshots or Figma exports to HTML/CSS/Tailwind is genuinely strong for frontend work.
Fast Release Cadence: The product has shipped updates quickly through 2026.
Affordable Entry Price: The cheapest paid tier ($10/mo) undercuts most competitors.
Cons
Inconsistent Reliability: Complex, multi-file changes are unreliable, and reviewers report a meaningful share of output needing manual correction.
Unclear Privacy Claims: Data and training privacy claims are hard to verify independently, with no definitive statement on whether lower tiers train on your code.
Mixed Support: Support responsiveness gets mixed reviews.
Restrictive Free Tier: The free tier restricts access to top models like Claude and GPT-4o, pushing real usability behind the $10/mo paywall quickly.
What Makes It Unique
Compete-and-Win Agents: Blackbox.AI runs several models on the same task and lets a "Chairman" model pick a winner automatically, a genuinely different bet than the single-model-per-request approach most coding assistants take.
Kay Score
6.3
/ 10
Tool Information
Pricing
$10/mo
Category
Coding & Development
Platform
Web / iOS / Android
Last Updated
