# OpenAI cuts GPT-5.6 pricing and adds Fast mode to the API

DevFeed: [OpenAI cuts GPT-5.6 pricing and adds Fast mode to the API](<https://devfeed.tech/articles/openai-cuts-gpt-5-6-pricing-and-adds-fast-mode-to-the-api-16500.md>)

Original publisher: [Read original article](<https://appwrite.io/blog/post/openai-cuts-gpt-56-pricing-and-adds-fast-mode-to-the-api>)

Author: Aishwari Pahwa

Published: 2026-07-31T00:00:00Z

Content type: release

Language: en

Sources: [Appwrite Blog](<https://devfeed.tech/sources/appwrite-blog.md>)

Topics: [API](<https://devfeed.tech/topics/api.md>), [OpenAI](<https://devfeed.tech/topics/openai.md>), [Artificial Intelligence](<https://devfeed.tech/topics/ai.md>), [Benchmark](<https://devfeed.tech/topics/benchmark.md>)

Tags: [2](<https://devfeed.tech/tags/2.md>), [2026](<https://devfeed.tech/tags/2026.md>), [ai](<https://devfeed.tech/tags/ai.md>), [announcement](<https://devfeed.tech/tags/announcement.md>), [api](<https://devfeed.tech/tags/api.md>), [flow](<https://devfeed.tech/tags/flow.md>), [model](<https://devfeed.tech/tags/model.md>), [models](<https://devfeed.tech/tags/models.md>), [openai](<https://devfeed.tech/tags/openai.md>), [pricing](<https://devfeed.tech/tags/pricing.md>)

## AI overview

OpenAI reduced GPT-5.6 Luna API pricing by 80% and Terra pricing by 20% starting July 30, 2026, while keeping Sol pricing unchanged. It also replaced Priority Processing with Fast mode for Sol, which the article says can deliver up to 2.5 times faster latency-sensitive requests.

## Source excerpt

GPT-5.6 Luna is now 80 percent cheaper and Terra 20 percent cheaper from July 30. Here is the new API pricing plus what Fast mode replaces for Sol users.