Claude Opus 5

At a glance

What it costs

You pay for the tokens each reply actually uses, at Anthropic’s price plus the 25% platform fee. Before you send, the composer shows an estimate, and every reply shows what it cost.

Usage comes out of the credit included with your plan, then any top-up. See plans and every model’s price.

The model you pick is the model that answers

Every reply is labeled with the model that actually wrote it. If Claude Opus 5 can’t answer and Knecty uses another model, the reply says so.

Read more: The "Served by" guarantee · Models available in your region · Help centre · Pricing

• Claude Sonnet 5New-generation balanced flagshipPremiumExtended thinking$2.50 in · $12.50 out per 1M tokens
• Claude Haiku 4.5Quick and capable — great for draftsPremium$1.25 in · $6.25 out per 1M tokens
• Claude Fable 5Previous Fable — always-on deep thinkingPremiumExtended thinking$12.50 in · $62.50 out per 1M tokens
• Claude Fable 5.1Anthropic’s most capable — always-on deep thinkingPremiumExtended thinking$12.50 in · $62.50 out per 1M tokens
• Claude Opus 4.8Previous Opus — deep reasoningPremiumExtended thinking$6.25 in · $31.25 out per 1M tokens
• Claude Opus 4.6Earlier Opus of the 4.x linePremiumExtended thinking$6.25 in · $31.25 out per 1M tokens
• Claude Sonnet 4.6Previous Sonnet — balanced for hard tasksPremiumExtended thinking$3.75 in · $18.75 out per 1M tokens