A prompt that costs $30 on GPT-5.5 costs $0.28 on DeepSeek V4 Flash. That's a 100x difference — and it's real.
If you're building on AI APIs, the pricing landscape in 2026 is more fragmented than ever. Four major providers, twenty-plus models, and pricing tiers that include cache reads, cache writes, batch discounts, promotional pricing, and hidden thresholds. I built a token cost calculator to make sense of it. This is the pricing data behind it.
All prices are per million tokens (MTok) in USD, sourced from official provider docs as of May 2026.
Every Model, Ranked by Price
Here's the full picture — all 20 models from cheapest to most expensive on input:
