Is Stealth: Claude Opus 4.6 (20% off) or OpenAI: GPT-5 Pro cheaper?

Stealth: Claude Opus 4.6 (20% off) is cheaper on output tokens ($20.00 vs $120.00 per 1M).

Which has the larger context window, Stealth: Claude Opus 4.6 (20% off) or OpenAI: GPT-5 Pro?

Stealth: Claude Opus 4.6 (20% off) has the larger context window (1M tokens).

Stealth: Claude Opus 4.6 (20% off) vs OpenAI: GPT-5 Pro

Stealth: Claude Opus 4.6 (20% off) is cheaper on output tokens, while Stealth: Claude Opus 4.6 (20% off) offers a larger context window. Choose Stealth: Claude Opus 4.6 (20% off) or OpenAI: GPT-5 Pro based on the trade-off between cost, context, and the benchmarks that matter for your use case.

Spec	Stealth: Claude Opus 4.6 (20% off)	OpenAI: GPT-5 Pro
Provider	Kilo Gateway	Kilo Gateway
Input / 1M tokens	$4.00	$15.00
Output / 1M tokens	$20.00	$120.00
Context window	1M	400K
Parameters	—	—
Open weights	No	No
Released	Feb 2026	Oct 2025

Stealth: Claude Opus 4.6 (20% off) details →OpenAI: GPT-5 Pro details →

FAQ

Pricing is indicative — confirm with the provider before production use. Highlighted values indicate the better figure for that row.