🔍 Read the full analysis: Is The AI Flat Rate Model Changing? Musk And OpenAI Signal A Shift on ThorstenMeyerAI.com
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TL;DR
Elon Musk said on Nov. 1 that Grok Bot’s serving costs were unsustainably high relative to revenue, without giving figures or announcing a specific change. In the same week, OpenAI added limits on paid-account sharing and said some plans will use one allowance across ChatGPT and Codex from December. The developments point to more metering within subscriptions, not a confirmed end to flat monthly prices.
Elon Musk said on Nov. 1 that the cost of serving xAI’s Grok Bot was unsustainably high relative to its revenue, as OpenAI introduced new restrictions on paid-account sharing and prepared to combine usage allowances for ChatGPT and Codex. The moves suggest AI subscriptions may be adding more usage controls, but neither company announced an end to flat monthly pricing.
Musk made the comment on X in reply to a user who asked whether Grok Bot usage could be reset, saying people had reported running out quickly. Musk wrote: “The cost of serving Grok Bot was unsustainably high relative to revenue.” He did not provide cost, revenue or margin figures, say what had changed, or announce a new limit, price or reset policy. His remark concerned Grok Bot, an agent that performs tasks such as research and browsing, rather than Grok chat generally.
OpenAI’s help information, updated in late October, says the company limits how many paid ChatGPT accounts can be used on one device and how many subscriptions can be purchased with one payment card or device. The rules apply to Go, Plus and Pro plans; the published information does not state a numerical account limit. OpenAI also says that from December, Plus, Pro and Business allowances for ChatGPT and Codex will draw from one shared pool measured in tokens. The company says unlimited Instant chats will remain outside that allowance.
OpenAI also increased some allowances during the same week. Its release notes say Pro 100 and Pro 500 received twice their previous Work and Codex allowance on Oct. 29, while a planned reduction to Pro 200 was cancelled. These changes do not amount to a simple across-the-board cut: OpenAI raised some limits as it introduced account restrictions and announced shared metering.
Infographic 01 · One week, four moves
More allowance, more metering: the week the AI flat rate cracked
In four days, OpenAI raised some limits, tightened others and announced one shared meter, and Musk called the cost of serving Grok Bot unsustainably high relative to revenue.
“The cost of serving Grok Bot was unsustainably high relative to revenue”Elon Musk on X, 1 November 2026, 20:34 UTC, replying to a user who asked for a Grok Bot reset
OpenAI gives more on top plans
Pro 100 and Pro 500 get twice their Work and Codex allowance. A planned cut on Pro 200 is cancelled.
Limits per card and per device
ChatGPT may block a new subscription if too many are tied to one card or device. Applies to Go, Plus, Pro 100, 200 and 500. No number published.
One meter from December
Plus, Pro and Business: one token-based allowance across ChatGPT and Codex. Unlimited Instant chats stay outside.
Musk: Grok Bot cost too much
One sentence, past tense. No figures, no new limit, no word on resets or prices.
Paid resets on ChatGPT pull next week’s allowance forward; they do not add usage. Credits are a prepaid balance used after the included allowance.
Sources: Musk on X, 1 Nov 2026 · Tibo on X, 29 Oct 2026 · OpenAI: card and device limits · OpenAI: ChatGPT and Codex usage limits · OpenAI: paid resets.
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Subscriptions Meet Usage Meters
The changes matter because a fixed monthly fee does not mean every task costs a provider the same amount to serve. A short chat exchange and an agent working through a lengthy task can consume very different quantities of computing resources. According to the source material, OpenAI’s rate card assigns its most capable model an output-token allowance cost about 100 times faster than its cheapest model. That is a comparison of token rates, not a measure of total user costs or provider losses.
For users, shared pools and device or payment-card rules can affect how much access a plan provides in practice, even if its monthly price stays unchanged. For businesses, a seat price may not be enough to forecast expenditure when work across products draws from a common allowance. Buyers may need to ask providers for written details on included usage, measurement and overage terms. The source material recommends budgeting for both seat charges and metered use, but the companies’ announcements do not disclose complete cost models.
These developments support a narrower conclusion than “the flat-rate model is ending.” Subscription pricing remains in place in the information provided; what is changing is how providers define, allocate or restrict usage within some plans. Whether this pattern spreads across the market is not established by these announcements alone.
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Recent Plan Changes at OpenAI
OpenAI launched a $200-a-month ChatGPT plan in December 2024, advertising “unlimited access” to its best models. In January 2025, chief executive Sam Altman wrote on X that the company was losing money on Pro subscriptions because people used them more than expected. That earlier statement offers context for the current focus on usage, but it does not establish the finances of OpenAI’s current plans.
xAI launched its X Subscription on Oct. 12, 2026. According to the company’s pricing page, Grok Bot is included in Premium at $30 a month, Super at $100 and Ultra at $200, but not in Free or Plus. Its usage draws from a seat’s shared weekly pool, which also covers Grok chat and xAI models in the coding tool Cursor. xAI says usage depends on agent steps, tokens and the effort required for a task, rather than simply the number of messages.
OpenAI’s late-October changes moved in more than one direction: some top-plan allowances rose, while limits on account sharing and the planned December shared allowance added controls. The available information does not show that the two companies coordinated their moves or adopted the same policy.
“The cost of serving Grok Bot was unsustainably high relative to revenue.”
— Elon Musk, replying on X on Nov. 1, 2026
Costs and Limits Still Undisclosed
Musk’s post does not establish how much Grok Bot costs to operate, what revenue it generates, or whether the service’s economics have improved. It also does not say whether xAI changed its weekly usage pool, will offer resets, or plans to change prices. Reading the past tense in “was unsustainably high” as proof that a cost change has already taken place is an interpretation, not a confirmed announcement.
The source material says other outlets reported a post from Grok’s official account attributing adjusted allocations to serving costs and referring to a dashboard issue that temporarily overstated usage. The article’s author says they could not locate that post, so those details remain reported but unverified here. OpenAI has not published the numerical device or payment-card limits in the cited help information, and the shared allowance’s precise terms and practical effect are not fully described in the material provided.
It is also unclear whether these measures signal a broad industry shift or are specific responses to each company’s products and operating costs. No figures in the source quantify how many customers are affected or how much their access will change.
Watch December Allowance Rules
The next stated milestone is OpenAI’s planned move in December 2026 to a shared ChatGPT and Codex allowance for Plus, Pro and Business. Its published help information and plan pages will be needed to clarify how the pool is measured, what activity counts against it, and how users can check their remaining allowance. OpenAI says Instant chats will remain outside that meter, but the supplied information does not set out all operational details.
For xAI, the source material identifies no announced date for a Grok Bot reset, revised usage cap or pricing change. The clearest evidence to watch for is an update from the company specifying whether weekly allocations have changed and how agent tasks consume them. Until such details appear, Musk’s cost statement is not a complete policy announcement.
Users comparing plans can check the current usage and pricing pages before paying for an upgrade, reset or credits. Organizations evaluating AI services can ask vendors to spell out included usage, shared pools, limits and additional charges in writing. Subscription prices and access rules may change, and intensive AI use can carry added costs under metered plans.
Key Questions
Did Musk announce a new Grok Bot limit?
No specific new limit was announced in the quoted post. Musk said serving Grok Bot was “unsustainably high relative to revenue,” but gave no figures or details about a cap, reset or price change.
Is OpenAI ending flat monthly ChatGPT subscriptions?
The information provided does not show that OpenAI is ending flat monthly plans. It says the company is adding account-sharing restrictions and plans to place ChatGPT and Codex usage in one allowance for some paid tiers from December.
OpenAI’s help information says Plus, Pro and Business plans will use one shared allowance from December. Instant chats are stated to remain outside the meter.
How much Grok Bot usage is included in an xAI subscription?
The supplied information says Grok Bot draws from a shared weekly usage pool, but does not give a numeric allowance. xAI says consumption depends on agent steps, tokens and the effort involved in each task.
Does the source prove AI subscriptions are becoming more expensive?
No. It describes new usage rules and an explanation from Musk about Grok Bot’s serving costs, but does not establish a general price increase or quantify customer costs. Users should check each plan’s current terms because limits and charges can change.
Source: ThorstenMeyerAI.com
