Claude Sonnet 4.6 vs o3 Deep Research
Claude Sonnet 4.6 costs 2.7x less per output token.
Which Is Cheaper?
At 1M tokens/mo
Claude Sonnet 4.6: $9
o3 Deep Research: $25
At 10M tokens/mo
Claude Sonnet 4.6: $90
o3 Deep Research: $250
At 100M tokens/mo
Claude Sonnet 4.6: $900
o3 Deep Research: $2500
Which Performs Better?
| Test | Claude Sonnet 4.6 | o3 Deep Research |
|---|---|---|
| Structured Output | — | — |
| Strategic Analysis | — | — |
| Constrained Rewriting | — | — |
| Creative Problem Solving | — | — |
| Tool Calling | — | — |
| Faithfulness | — | — |
| Classification | — | — |
| Long Context | — | — |
| Safety Calibration | — | — |
| Persona Consistency | — | — |
| Agentic Planning | — | — |
| Multilingual | — | — |