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AI API cost calculator

How much will your app cost per month? Pick a workload or enter your own numbers and compare 443 models.

Prices from Oct 21, 2026

Cheapest models for “Customer chatbot” (1,000 conversations a day, 8 turns each).
#ModelPer month
1Ling 3.0 Flash$9.22
2gpt-oss-20b$12.10
3Nex-N2.5-Mini$12.54
4Mistral Nemo$12.96
5Gemma 3 4B$14.28
6Extract$14.40
7Summarize$14.40
8Granite 4.0 Micro$15.53
9Qwen3.7 Flash$16.54
10GLM Flash Latest$16.82
11GLM 5.3 Flash$16.82
12gpt-oss-20b (batch)$18.05
13Llama 3 8B Lunaris$18.60
14Ministral 3 8B 2512 (batch)$18.72
15Mercury 2.5$19.22

Costs = requests × 30 days × (uncached input × input price + cached input × cached price + output × output price). Long-context prices apply automatically above each model’s threshold. Taxes, minimums and rate limits are not included.