OpenAI GPT-5.5, GPT-5.4 and Codex go generally available on Amazon Bedrock

AWS made OpenAI's GPT-5.5 and GPT-5.4 models and Codex generally available on Amazon Bedrock on June 1, 2026, one month after the expanded Amazon-OpenAI partnership was announced. Pricing matches OpenAI's first-party per-token rates and usage counts toward existing AWS commitments. The launch adds OpenAI models to Bedrock's catalog.

• Generally available June 1, 2026 on Amazon Bedrock
• Models: GPT-5.5 and GPT-5.4; Codex generally available with pay-per-token pricing
• Pricing matches OpenAI first-party per-token rates
• Usage counts toward existing AWS commitments