Alternatives to Claude 3 Sonnet

These tools sit near Claude 3 Sonnet. Compare features and pricing before you switch.

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.

Previous Claude 3.5 Sonnet snapshot. Not the 2026 default.

1250DR: 92AS: 88

Anthropic's previous Sonnet snapshot: 200k context, $3/$15 per 1M tokens. Docs now sell newer Claude 4.6 and Claude 5 lines.

2500000DR: 92AS: 95

OpenAI frontier flagship GPT-5.6 Sol: 1.05M context, effort up to max plus ultra, $5/$30 per 1M tokens.

15000000DR: 95AS: 95