OpenAI API vs Cursor
Frontier models: GPT-5, o-series reasoning, image, audio, embeddings
vs. AI-native code editor — VS Code fork with deep AI integration
Pricing tiers
OpenAI API
Free Tier (Trial)
$5 free credit for new accounts. Rate-limited.
Free
Pay-as-you-go
No monthly min. Per-token pricing by model.
$0 base (usage-based)
Usage Tiers (1-5)
Automatic tier promotion based on cumulative spend. Higher tiers = higher rate limits + new model access.
$0 base (usage-based)
Enterprise
Custom. Priority access, SLA, dedicated capacity.
Custom
Cursor
Hobby (Free)
Free. Limited Agent requests + Tab completions. No credit card.
Free
Pro
$20/month. Extended Agent limits, frontier models, MCPs + skills + hooks, cloud agents.
$20/mo
Teams
$40/user/month. Shared chats + commands + rules, centralized billing, RBAC, SAML/OIDC SSO.
$40/mo
Pro+ (Recommended)
$60/month. Everything in Pro + 3x usage on OpenAI, Claude, Gemini.
$60/mo
Ultra
$200/month. 20x usage multiplier + priority access to new features.
$200/mo
Enterprise
Custom. Pooled usage, SCIM, AI code tracking API + audit logs, priority support.
Custom
Free-tier quotas head-to-head
Comparing free-tier on OpenAI API vs hobby on Cursor.
| Metric | OpenAI API | Cursor |
|---|---|---|
| No overlapping quota metrics for these tiers. | ||
Features
OpenAI API · 12 features
- Assistants API — Stateful assistants with tools, threads, file search.
- Batch API — 50% discount for async processing within 24h.
- Chat Completions API — Classic /v1/chat/completions endpoint.
- Files API — Upload docs for retrieval, fine-tuning, batch.
- Fine-Tuning — Supervised + DPO fine-tuning for GPT-4o, GPT-4.1, GPT-4o-mini.
- Function Calling — JSON-schema tool calling; parallel calls supported.
- Moderation — Safety classifier API (free).
- Prompt Caching — Auto-cache repeated prefixes; 50% cheaper cached hits.
- Realtime API — WebSocket streaming voice + text with low latency.
- Responses API — Stateful conversational API.
- Structured Outputs — Enforced JSON schema compliance.
- Vision — Image input for GPT models.
Cursor · 15 features
- Agent Mode — Autonomous multi-file editing + tool use. Runs terminal commands with confirmati…
- Background Agents — Run agents in the cloud to tackle longer tasks async.
- BugBot (PR reviews) — AI reviewer on GitHub PRs.
- Chat (⌘L) — Conversational chat with codebase context.
- Cmd-K Inline Edit — Highlight code + ⌘K → natural language edit instruction.
- Codebase Indexing — Embedding-based semantic search over your codebase.
- Composer — Multi-file edit sessions with full context.
- .cursorrules / Project Rules — Custom system prompts per project to steer the AI.
- MCP Support — Add Model Context Protocol servers to extend agent capabilities.
- Privacy Mode — Data never used for training; zero-retention routing.
- Skills & Hooks — User-defined skills library + lifecycle hooks.
- Tab (multi-line completion) — Predictive completions including next-edit suggestions.
- Team Shared Context — Share chats, commands, rules across team.
- VS Code Extension Compat — Most VS Code extensions work via the marketplace.
- YOLO Mode — Auto-approve all agent actions (for trusted workflows).
Developer interfaces
| Kind | OpenAI API | Cursor |
|---|---|---|
| CLI | — | Cursor CLI |
| SDK | openai-dotnet, openai-go, openai-node, openai-python | — |
| REST | OpenAI REST API | — |
| MCP | OpenAI MCP | Cursor MCP support |
| OTHER | Realtime API (WebSocket) | Cursor Desktop App, Cursor Rules (.cursorrules), Privacy Mode |
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