OpenAI API vs Anthropic API
Verdict
OpenAI wins for model variety and ecosystem. Anthropic wins for long context and coding quality.
| Dimension | OpenAI API | Anthropic API |
|---|---|---|
| Context window | 128K tokens (GPT-4o) | ✓ 200K tokens (Claude) |
| Model variety | ✓ GPT-4o, o-series, DALL-E, Whisper, TTS | Claude models only |
| Coding quality | Very good across languages | ✓ Excellent, especially debugging |
| Multimodal | ✓ Vision, audio, image generation | Vision |
| Prompt caching | Yes (select models) | ✓ Yes, with automatic caching |
| Best for | Broad use, multimodal apps | Long-form reasoning, coding |
OpenAI API
GPT models via API
4.68.2K
Anthropic API
Claude models via API
4.75.1K