Claude 3 Opus
Highest-capability model for complex reasoning.
Active
Tools
Capabilities
✓
Function calling / Tools
✗
Image understanding
✗
Extended thinking / Reasoning
✗
Audio input/output
Pricing history
TierUnitInputCached inputOutputEffectiveSource
Standard
Per 1M tokens
—
—
—
Jan. 10, 2026
Source
Standard
Per 1M tokens
—
—
—
Jan. 9, 2026
Source