Stealth: Claude Opus 4.6 (20% off)
Flagship Claude model for deep reasoning, coding, and long-horizon agents
Model facts
- Context window
- 1M tokens
- Maximum output
- 128K tokens
- Cheapest paid input
- $4 per 1M tokens
- Cheapest paid output
- $20 per 1M tokens
- Open weights
- no
- Providers
- 1
Capabilities and modalities
reasoning, tool calling, attachments, temperature control, text, image, pdf.
Observed price history
- 2026-08-24: $4 input / $20 output per 1M tokens
API providers
- Kilo Gateway — model id stealth/claude-opus-4.6; $4 input / $20 output per 1M tokens; provider documentation