Max output updated in Anthropic Models Docs

The maximum output for Anthropic models has been updated from 100k to 128k tokens, which may impact users who rely on specific output limits for their applications.

Apr 24, 2026

At a glance

Decide impact, cost movement, and the next step before reading the full diff.

Affected

Anthropic · claude-api

Pricing Change

Cost impact

Low · 0/5

Estimated from pricing and window changes

Migration pressure

Medium · 2/5

No explicit deadline yet

Next step

Keep monitoring the official rollout

Do this first, then review field-level details

Impact summary

Use explicit levels instead of abstract charts to judge this change.

Cost

Low

Score 0/50%

Quality

Low

Score 1/520%

Migration

Medium

Score 2/540%

Reliability

Low

Score 0/50%

Compliance

Low

Score 0/50%

The change in max output may require adjustments in how users interact with the models, especially if they were previously hitting the old limit.

Changes

Review changed fields first, then decide whether you need full before/after values.

After

self.__next_f.push([1,"41:[\"$\",\"tr\",null,{\"className\":\"border-b-0.5 border-border-400 last:border-b-0\",\"children\":[[\"$\",\"td\",null,{\"className\":\"p-2 first:pl-0 last:pr-0 text-text-200\",\"children\":[\"$\",\"strong\",null,{\"className\":\"font-semibold\",\"children\":\"Max output\"}]}],[\"$\",\"td\",null,{\"className\":\"p-2 first:pl-0 last:pr-0 text-text-200\",\"children\":\"128k toke

Sources

Each source focuses on what it confirms, without repeating the whole article.

docs

Anthropic Models Docs

self.__next_f.push([1,"41:[\"$\",\"tr\",null,{\"className\":\"border-b-0.5 border-border-400 last:border-b-0\",\"children\":[[\"$\",\"td\",null,{\"className\":\"p-2 first:pl-0 last:pr-0 text-text-2...

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