Compare tools

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

⇄ Comparison dimension — pick the market you're actually shopping in

Multi Agent Orchestration Coding Agents Foundation Model Providers Llms Foundation Models Model Hosting Inference AI Agents AI Agents Infrastructure

OpenRouter

✓ verifiedFreemium

Unified API gateway that routes requests to 400+ LLMs across 70+ providers with failover and no subscription.

17M visits/mo

CometAPI

✓ verifiedPaid

Unified API to 500+ AI models (OpenAI, Anthropic, Google, etc.) with OpenAI-compatible calls priced ~20% below official rates.

363K visits/mo4.8K saves

Google Antigravity

✓ verifiedFree

Google's agentic development platform and IDE for building software with autonomous, Gemini-powered coding agents.

22M visits/mo18K saves

Kiro AI

✓ verifiedFreemium

Kiro is a spec-driven agentic coding tool for IDE, CLI and web that turns prompts into specs and catches bugs with property-based tests.

3.8M visits/mo

Claude

✓ verifiedFreemium

Anthropic's AI assistant for writing, coding, and analysis across web, mobile, and desktop, plus a developer API.

22M visits/mo231K saves

Pricing

Free: $0

Pay-as-you-go: Per-token, no subscription

Enterprise: Talk to sales

Pay-as-you-go, min top-up $10

GPT-5.6: $4 / 1M tokens

Claude Sonnet 5: $1.6 / 1M tokens

Free trial available

No public pricing

Free: $0/mo (50 credits)

Pro: $20/user/mo (1,000 credits)

Pro+: $40/user/mo (2,000 credits)

Pro Max: $100/user/mo (5,000 credits)

Power: $200/user/mo (10,000 credits)

Free: $0

Pro: $17/month billed annually ($200 up front), or $20/month

Max: From $100/month

Team: $20/seat/month billed annually ($25 monthly); premium seats $100/seat/month annually ($125 monthly)

Enterprise: Contact sales

Core features

✦One unified, OpenAI-compatible API for 400+ models
✦Automatic provider failover for higher uptime
✦Edge routing for low latency
✦Custom data and provider policies
✦Pay-as-you-go credits usable across any model

✦One key for 500+ models
✦OpenAI-compatible API
✦Pay-as-you-go credits (~20% below list)
✦Multimodal: text, image, video, audio
✦Usage analytics and budget alerts
✦Integrations (Claude Code, n8n, Zapier, etc.)

✦Agent-first IDE experience
✦Autonomous planning and code execution
✦Integrated editor, terminal and browser control
✦Powered by Google's Gemini models
✦High-level developer supervision

✦Spec-driven development (requirements, design, tasks)
✦Parallel agents, local or cloud
✦Property-based and correctness testing
✦Works in IDE, CLI, web and mobile
✦Multiple models (Claude, open-weight, Auto)
✦Headless CLI for CI/CD
✦Context from tools like Figma and Terraform

✦Conversational writing and editing
✦Code generation and debugging (Claude Code)
✦Data analysis and visualization
✦Web search plus memory across chats
✦Connectors and remote MCP integrations
✦Extended thinking for complex tasks

Use cases

→Accessing many LLMs through one integration
→Adding provider redundancy to AI apps
→Comparing model price and performance
→Powering agents and AI-native products

→Consolidating multi-provider AI billing
→Switching models without re-integration
→Powering apps and automation pipelines
→Benchmarking models in one playground

→Building apps with AI agents
→Automating multi-step coding tasks
→Prototyping and iterating on software
→Assisting developers on complex work

→Turning prompts into maintainable, spec-matched code
→Catching bugs unit tests miss
→Reviewing PRs and fixing bugs in CI/CD

→Drafting and refining written content
→Building and debugging software
→Analyzing datasets for insights
→Research and learning support
→Team and enterprise automation

Visit

Visit openrouter.ai →

Visit cometapi.com →

Visit antigravity.google →

Visit kiro.dev →

Visit claude.com →