Claude makes Sonnet 5 launch pricing permanent as debate heats up

Claude has just locked in Claude Sonnet 5’s introductory pricing indefinitely, keeping it at $2 per million input tokens and $10 per million output tokens. The move sparked pushback from users who say token usage and benchmarks don’t justify the cost.

Claude makes Sonnet 5 launch pricing permanent as debate heats up

TL;DR

  • Claude Sonnet 5 pricing made permanent: $2/M input tokens and $10/M output tokens
  • Introductory rates launched in June; previously set to run through Aug 31, 2026
  • Framed as a pricing decision, but rates remain unchanged; now available indefinitely
  • Claude positions Sonnet 5 as “most agentic Sonnet yet”: planning, browser/terminal use, autonomous operation

Claude has made Claude Sonnet 5’s introductory pricing permanent, keeping the model at $2 per million input tokens and $10 per million output tokens. The rates were introduced in June and had been scheduled to remain in place through August 31, 2026.

Claude keeps Sonnet 5 at its launch price

Claude describes Sonnet 5 as its “most agentic Sonnet yet,” claiming that it can make plans, use browsers and terminals, and operate autonomously at a level that previously required larger models.

The company presented the decision as a pricing change, although the price itself is not changing. Instead, the introductory rate that was due to expire at the end of August will now remain available indefinitely.

Source: Claude on X

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