Claude 20x upgraded to Ultra, drops 5‑hour limit
claude
| Source: HN | Original article
Claude 20x has been upgraded to Ultra, removing the previous five‑hour usage cap.
Anthropic has lifted the five‑hour usage cap on its Claude 20x model, rebranding the offering as “Claude 20x Ultra.” The change removes the time‑limit that previously forced users to pause or switch models after five hours of continuous operation, effectively turning the service into an unrestricted, high‑throughput option for developers and enterprise teams.
The move follows a series of recent updates to Anthropic’s Claude suite, including the video‑game cloning safeguards we covered on 31 October. By eliminating the cap, Anthropic signals that it is ready to support longer, more demanding workloads such as extensive code generation, large‑scale content creation, and sustained conversational agents. The upgrade also narrows the gap with rival providers that already offer unlimited‑session models, potentially boosting Claude’s appeal in a market where uninterrupted AI access is becoming a baseline expectation.
What to watch next: Anthropic may pair the Ultra tier with new pricing tiers or usage‑based billing, and it will be important to see whether the expanded access prompts additional safety mechanisms, given past concerns about misuse of Claude extensions. Observers will also track adoption rates among existing Claude customers and any ripple effects on competing platforms that still enforce session limits.
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