What a 1M-token context call actually costs, provider by provider (2026)

Long-context models are everywhere now — nearly every flagship ships a 1M-token window, and a couple go far past it. What nobody puts in the marketing copy is how wildly the cost of using that window varies. Filling a 1M-token context window once — just the input tokens you send — ranges from $0.05 to $30 depending only on which model you point at. That's a 600× spread for the same nominal capability. Here's the whole ladder, GA models with a ≥1M-token window, sorted by what one full input pass…