Claude 3 Sonnet

Claude 3 Sonnet is a previous Anthropic mid-tier snapshot, not the live enterprise default. Rechecked 2026-08-18: the Claude models overview now leads with Claude 5 and Claude 4.6. A later leftover on this site is Claude Sonnet 4.5 at $3 / $15. The leftover 3.5 twin is Claude 3.5 Sonnet. Drop leftover ideal enterprise balance / latest Sonnet / unaudited bench crown.

Compare Claude 3 Opus if you wanted the leftover 3 Opus twin already rewritten as previous, and GPT-5.6 Sol if you wanted a current frontier chat model.

Key Features

• Previous Sonnet 3 snapshot: Leftover copy treated 3 Sonnet as the current enterprise balance. Recheck the models overview before you hard-code it.
• Not the 2026 Claude lead: Live docs lead with Claude 5 / 4.6. Sonnet 4.5 is a later leftover that is still billed.
• No invented bench: Do not paste leftover enterprise-balance marketing as a 2026 census.
• No invented 2026 dollar row for 3 Sonnet: Recheck the overview before you quote a current 3 Sonnet price.

Use Cases

• People with a Claude 3 Sonnet bookmark who need the catalog corrected.
• People comparing leftover 3 Sonnet vs later 3.5 / 4.5 / 4.6 / 5.
• People who were about to call it Anthropic's current enterprise default.

Limitation: We did not call claude-3-sonnet or invent a 2026 per-token price.

Pricing

First-party pages on 2026-08-18.

If a leftover blog still calls 3 Sonnet the current enterprise Claude, treat the 2026 overview as the correction.

Getting Started

1. Open the models overview before you hard-code Claude 3 Sonnet.
2. Recheck Claude Sonnet 4.5 if you wanted a later still-billed leftover.
3. Recheck Claude Opus 4.6 if you wanted the live Claude path.
4. Do not paste "current enterprise Sonnet" into a 2026 deck.

Frequently Asked Questions

Is 3 Sonnet still the Anthropic enterprise default?

No. Live docs lead with Claude 5 / 4.6.

Same as 3.5 Sonnet?

No. Claude 3.5 Sonnet is a leftover 3.5 twin already rewritten as previous.

Same as Sonnet 4.5?

No. Claude Sonnet 4.5 is a later leftover still billed at $3 / $15.

Alternatives

• Claude 3.5 Sonnet: Leftover 3.5 twin already rewritten as previous.
• Claude Sonnet 4.5: Later leftover still billed at $3 / $15.
• GPT-5.6 Sol: Live OpenAI frontier chat if you wandered here for a current model.

Tips

1. Call 3 Sonnet a previous snapshot, not the current enterprise Claude.
2. Point new Sonnet work at 4.5 only if you still need that leftover; otherwise use 4.6 / 5.
3. Recheck the overview before you invent a 3 Sonnet dollar row.

Conclusion

Claude 3 Sonnet is a previous Anthropic mid-tier snapshot, not the 2026 Claude default. Start at the models overview, then decide whether Sonnet 4.5 or a Claude 5 / 4.6 row already covers the path you need.