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Side-by-side features, use cases and pricing — because the right pick depends on your job and budget, not just the ranking.

APIMart logo
APIMart
✓ verifiedPaid

Unified API gateway to 500+ AI models (GPT, Claude, Sora, image/video) with OpenAI-compatible endpoints and discounted usage.

328K visits/mo1.9K saves
Katalon Studio logo
Katalon Studio
✓ verifiedFree trial

Test-automation platform for web, API, mobile, and desktop with no-code to full-code authoring and cloud execution.

246K visits/mo2.1K saves
The New GitBook logo
The New GitBook
✓ verifiedFreemium

Documentation platform for publishing accurate, AI-ready docs sites, with Git sync and an MCP server for AI tools.

653K visits/mo2.9K saves
Eraser AI logo
Eraser AI
✓ verifiedFreemium

AI co-pilot for technical diagrams and design docs, with diagram-as-code and integrations for engineering teams.

873K visits/mo41K saves
Jam logo
Jam
✓ verifiedFreemium

One-click bug-reporting tool that auto-captures console, network logs and repro steps for developers.

730K visits/mo2.9K saves
Pricing

No public pricing

No public pricing

Free trial available

No public pricing

Free trial available

Free: $0 (3 files, 3 AI diagrams)
Starter: $15/user/mo billed annually (40 AI diagrams)
Business: $45/user/mo billed annually (250 AI diagrams, SSO)
Free: $0 (30 Jams/mo, 5 recording links)
Team: $14/creator per month billed yearly (unlimited Jams)

Free trial available

Core features
  • Single OpenAI-compatible API for 500+ models
  • Chat, image, video and audio models
  • Discounted per-request pricing
  • One dashboard for keys, quotas and usage
  • Multi-region routing and failover (99.9% uptime)
  • Multiple payment methods incl. crypto
  • No-code, low-code and full-code test authoring
  • Web, API, mobile and desktop testing
  • Test management and planning
  • Cloud-based test execution
  • Reporting and analytics
  • AI-assisted test generation and monitoring
  • Publish structured documentation sites
  • Git sync for docs-as-code workflows
  • AI setup agent to build and import docs
  • GitBook MCP server for AI access
  • Enterprise controls
  • Free tier to start
  • AI-generated diagrams from prompts
  • Diagram-as-code editing
  • Markdown design docs
  • Eraserbot auto-updating codebase diagrams
  • Integrations: GitHub, Notion, Confluence, VS Code
  • Export to PNG/SVG/PDF/MD and MCP server
  • One-click bug capture via browser extension
  • Automatic repro steps
  • Console, network and device logs
  • Instant replay of recent activity
  • Backend tracing and an AI debugger
  • Integrations with Jira, Linear, GitHub and Slack
Use cases
  • Accessing many AI models via one API
  • Cutting AI model API costs
  • Building multimodal AI apps
  • Consolidating AI billing and keys
  • Automate regression testing
  • Unify API, web and mobile tests
  • Manage manual and automated tests together
  • Scale test execution in the cloud
  • Publish product and API documentation
  • Maintain docs-as-code with Git sync
  • Make docs consumable by AI assistants
  • Import existing docs into a hosted site
  • Create architecture and cloud diagrams fast
  • Write and maintain design docs
  • Keep codebase diagrams up to date
  • Embed live diagrams in Notion/Confluence
  • Filing detailed bug reports
  • Reproducing issues faster in QA
  • Sharing debug context with engineers
  • Triaging support bug reports
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