OpenAI API vs Amazon Bedrock
Compare OpenAI API and Amazon Bedrock on pricing, free tier, open source, API, self-host, verdict and momentum.
Both are models-api tools. OpenAI API is paid (pay-as-you-go and from $0.20/1M input (GPT-5.6 Luna); GPT-5.6 Sol promotional $4/$20 at least through 2026-11-21 (list $5/$30); no free tier) with an API; Amazon Bedrock is paid (Pay-per-use per model/token; rate card varies by provider and modality. New AWS customers receive up to $200 in credits to try AWS AI.) with an API. The catalog stamp is ship for OpenAI API and situational for Amazon Bedrock, last verified 2026-08-19 and 2026-08-19 respectively.
OpenAI API
GPT-5 family and o-series reasoning models behind one API.
Amazon Bedrock
AWS-managed platform giving API access to hundreds of foundation models plus agents and guardrails.
| field | OpenAI API | Amazon Bedrock |
|---|---|---|
| pricing | paid · pay-as-you-go, from $0.20/1M input (GPT-5.6 Luna); GPT-5.6 Sol promotional $4/$20 at least through 2026-11-21 (list $5/$30); no free tier | paid · Pay-per-use per model/token; rate card varies by provider and modality. New AWS customers receive up to $200 in credits to try AWS AI. |
| free tier | no | no |
| open source | no | no |
| api | yes | yes |
| self-host | no | no |
| verdict | ship | situational |
| momentum | steady | steady |
| last verified | 2026-08-19 | 2026-08-19 |
| key limitation | Premium pricing at the frontier tier. | Pricing spans dozens of providers and modalities; forecasting cost across a multi-model stack is non-trivial. |
The call
Pick OpenAI API — we ship it; Amazon Bedrock is situational for us.
Pick Amazon Bedrock for aWS-native teams that need one contract and one API for man…
OpenAI API sources
Amazon Bedrock sources
Open live compare →OpenAI API pageAmazon Bedrock pageOpenAI API.jsonAmazon Bedrock.json