OpenAI API Statistics 2026: Traffic, Revenue & Rankings

OpenAI API is a developer platform for calling OpenAI models through HTTP endpoints and official SDKs. Developers use it to generate and analyze text, images, audio, and other outputs inside their applications using an API key. It supports streaming responses and tool enabled agent workflows for software builders.

OpenAI API usage statistics

• Overall AI rank: #272 of 1197 tools
• API rank: #13 of 21
• Cisco Umbrella rank: 26,386
• Tranco rank: 74,880
• 30-day traffic growth: +4.3%
• Share of AI web traffic: 0.03%
• Revenue: $20B+ ARR (2025)
• Valuation: $852B post-money (Mar 31, 2026)
• Pricing: Usage-based API (pay per token/feature; includes some free-tier meters)

Rankings use the independent Tranco domain-popularity list, with Cisco Umbrella as a fallback for domains not listed by Tranco. Updated daily.

Top API alternatives

• Anthropic, ranked #4 overall
• Hugging Face, ranked #8 overall
• xAI, ranked #29 overall
• Deepmind (Google), ranked #50 overall
• Google AI Studio, ranked #57 overall
• Mistral, ranked #60 overall

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