主要AIツールの料金改定まとめ【2026年7月】Sora終了・Copilot Pro販売終了など4つの大きな変更In July 2026, four significant AI pricing changes were confirmed: Sora shutting…

A recurring monthly review of AI tool pricing has identified four notable changes for July 2026, and most of them share a common trait: they are the kind of quiet adjustments that can cost users money if they go unnoticed. The findings come from an ongoing effort that surveys the prices and plan structures of major AI services against the same criteria every month, a consistency that makes it easier to compare one period against the next. For people actively paying for any of the affected tools, the takeaway is straightforward—now is a good time to confirm that a current subscription still fits the way the service is being offered.

The change likely to affect the most consumers is the discontinuation of Sora, OpenAI's video generation capability that has been reachable through paid ChatGPT tiers. According to the survey, the practical implication is that anyone who signed up for ChatGPT Plus primarily to use Sora should treat this as a moment to reassess that contract. If the video feature was the main reason for the subscription, its removal changes the value calculation, and continuing to pay the same monthly fee may no longer make sense.

The second item involves Microsoft's Copilot Pro, which is ending sales, with support scheduled to end on August 1. The survey notes that affected users face a migration decision toward Microsoft 365 Premium, priced at ¥3,200 per month. That distinction matters because Copilot Pro and a Microsoft 365 subscription are not identical products; moving to the Premium plan bundles the AI assistant with the broader Microsoft 365 productivity suite, which changes both what a user gets and what they pay. Anyone relying on Copilot Pro will want to weigh whether the Premium tier is the right fit before the support cutoff.

The third change is a structural one for GitHub Copilot, which is moving to a credit-based model. Under this approach, the most cost-effective plan depends on how much a developer actually uses the service, rather than a flat allocation that applies to everyone. The survey references a top-tier option labeled Max for the heaviest users. Credit-based or usage-metered billing has become increasingly common across AI products, in part because running large models carries real compute costs that vary sharply with demand. The trade-off for customers is that spending can become less predictable, which makes understanding one's own usage patterns more important than it was under simple fixed pricing.

The survey states that four significant changes were confirmed in total for July 2026. The three described above—Sora's shutdown, the end of Copilot Pro sales, and GitHub Copilot's shift to credits—are the ones detailed in the summary, and each is presented as a change that users could easily miss unless they are watching their plans closely.

For context, these moves fit within a wider period of repositioning across the AI tooling market. OpenAI, Microsoft, and GitHub have each iterated repeatedly on how their assistants are packaged and priced, and consolidation into broader suites—such as folding a standalone assistant into Microsoft 365—appears to be part of a general trend toward integrated offerings rather than one-off add-ons. Similarly, the movement toward credit and usage-based billing reflects the underlying economics of running generative models at scale, where costs are tied to consumption.

The broader lesson from this kind of monthly tracking is that AI subscription pricing is still in flux, and changes can arrive with little fanfare. Discontinuations, plan mergers, and new billing structures can each alter the effective cost of a tool without a headline announcement re