AnthropicvsOpenAI

Side-by-side API comparison

Claude large language models for text generation, analysis, vision, and tool use with industry-leading safety.

Large language models (GPT-4, GPT-4o), image generation (DALL-E), embeddings, and speech APIs.

Performance

AnthropicOpenAI

30-Day Uptime99.85%99.80%

Avg Latency280ms320ms

GitHub Stars2.5k8.2k

AnthropicOpenAI

Auth TypeAPI KeyAPI Key

Pricing Modelpaidpaid

OpenAPI Spec

CategoryAI / MLAI / ML

AnthropicOpenAI

Languages

javascriptpython

javascriptpythondotnetjavago

AnthropicOpenAI

Build

40,000 tokens/min req/mo

Scale

Usage-based

400,000 tokens/min req/mo

Enterprise

Custom

Custom req/mo

Free Tier

200 req/day req/mo

Tier 1

$5 minimum

500,000 req/mo

Tier 5

$0 (auto-qualified)

Unlimited req/mo