AI API Cost Calculator
Calculate and compare AI model costs instantly
💰 Cost Comparison
31 models • Sorted by cost (lowest first) • Prices per 1M tokens
| # | Model | Category | Input $/1M | Output $/1M | Cached $/1M | Est. Cost | Context | ✓ |
|---|---|---|---|---|---|---|---|---|
| 1 🏆 | GPT-5 Nano OpenAI | fast | $0.05 | $0.40 | $0.01 | $0.0003 | 400K | |
| 2 | GPT-4.1 Nano OpenAI | fast | $0.10 | $0.40 | $0.03 | $0.0003 | 1.0M | |
| 3 | Gemini 2.5 Flash Lite Google | fast | $0.10 | $0.40 | $0.03 | $0.0003 | 1.0M | |
| 4 | Gemini 2.0 Flash Google | fast | $0.10 | $0.40 | $0.03 | $0.0003 | 1.0M | |
| 5 | DeepSeek V3.2 DeepSeek | reasoning | $0.25 | $0.38 | $0.06 | $0.0004 | 164K | |
| 6 | GPT-4o Mini OpenAI | fast | $0.15 | $0.60 | $0.04 | $0.0004 | 128K | |
| 7 | DeepSeek V3.1 DeepSeek | flagship | $0.15 | $0.75 | $0.04 | $0.0005 | 164K | |
| 8 | Claude 3 Haiku Anthropic | fast | $0.25 | $1.25 | $0.03 | $0.0009 | 200K | |
| 9 | DeepSeek V3 DeepSeek | flagship | $0.30 | $1.20 | $0.07 | $0.0009 | 164K | |
| 10 | GPT-4.1 Mini OpenAI | fast | $0.40 | $1.60 | $0.10 | $0.0012 | 1.0M | |
| 11 | GPT-5 Mini OpenAI | fast | $0.25 | $2.00 | $0.03 | $0.0013 | 400K | |
| 12 | DeepSeek R1 0528 DeepSeek | reasoning | $0.40 | $1.75 | $0.10 | $0.0013 | 164K | |
| 13 | Gemini 2.5 Flash Google | fast | $0.30 | $2.50 | $0.07 | $0.0015 | 1.0M | |
| 14 | DeepSeek R1 DeepSeek | reasoning | $0.70 | $2.50 | $0.17 | $0.0019 | 64K | |
| 15 | Claude 3.5 Haiku Anthropic | fast | $0.80 | $4.00 | $0.08 | $0.0028 | 200K | |
| 16 | o3 Mini OpenAI | reasoning | $1.10 | $4.40 | $0.28 | $0.0033 | 200K | |
| 17 | o4 Mini OpenAI | reasoning | $1.10 | $4.40 | $0.28 | $0.0033 | 200K | |
| 18 | Claude Haiku 4.5 Anthropic | fast | $1.00 | $5.00 | $0.10 | $0.0035 | 200K | |
| 19 | GPT-4.1 OpenAI | flagship | $2.00 | $8.00 | $0.50 | $0.0060 | 1.0M | |
| 20 | o3 OpenAI | reasoning | $2.00 | $8.00 | $0.50 | $0.0060 | 200K | |
| 21 | GPT-5.1 OpenAI | flagship | $1.25 | $10.00 | $0.13 | $0.0063 | 400K | |
| 22 | Gemini 2.5 Pro Google | flagship | $1.25 | $10.00 | $0.31 | $0.0063 | 1.0M | |
| 23 | GPT-4o OpenAI | flagship | $2.50 | $10.00 | $0.63 | $0.0075 | 128K | |
| 24 | Gemini 3 Pro Preview Google | flagship | $2.00 | $12.00 | $0.50 | $0.0080 | 1.0M | |
| 25 | GPT-5.2 OpenAI | flagship | $1.75 | $14.00 | $0.17 | $0.0088 | 400K | |
| 26 | Claude Sonnet 4.5 Anthropic | flagship | $3.00 | $15.00 | $0.30 | $0.0105 | 1.0M | |
| 27 | Claude Sonnet 4 Anthropic | flagship | $3.00 | $15.00 | $0.30 | $0.0105 | 1.0M | |
| 28 | Claude 3.7 Sonnet Anthropic | reasoning | $3.00 | $15.00 | $0.30 | $0.0105 | 200K | |
| 29 | Claude Opus 4.5 Anthropic | flagship | $5.00 | $25.00 | $0.50 | $0.0175 | 200K | |
| 30 | Claude Opus 4.1 Anthropic | flagship | $15.00 | $75.00 | $1.50 | $0.0525 | 200K | |
| 31 | GPT-5.2 Pro OpenAI | flagship | $21.00 | $168.00 | — | $0.1050 | 400K |