What will your LLM API bill really be?
Compare 44 models from Anthropic, OpenAI and Google, then enter your own traffic to get the monthly cost. Prices come from each provider's official pricing page.
Prices checked 2026-10-04Official sources linkedNo affiliate links
| Model | Provider | Input | Cached input | Output | Blended |
|---|---|---|---|---|---|
| GPT-5 nano | OpenAI | $0.050 | $0.0050 | $0.400 | $0.138 |
| GPT-4.1 nano | OpenAI | $0.100 | $0.025 | $0.400 | $0.175 |
| Gemini 2.5 Flash-Lite Input price shown is for text, image and video; audio input costs more. | Google (Gemini) | $0.100 | $0.010 | $0.400 | $0.175 |
| GPT-6 Luna | OpenAI | $0.100 | $0.010 | $0.500 | $0.200 |
| GPT-4o mini | OpenAI | $0.150 | $0.075 | $0.600 | $0.262 |
| GPT-5.6 Luna | OpenAI | $0.200 | $0.020 | $1.20 | $0.450 |
| GPT-5.4 nano | OpenAI | $0.200 | $0.020 | $1.25 | $0.463 |
| GPT-5 mini | OpenAI | $0.250 | $0.025 | $2.00 | $0.688 |
| GPT-4.1 mini | OpenAI | $0.400 | $0.100 | $1.60 | $0.700 |
| Gemini 2.5 Flash Input price shown is for text, image and video; audio input costs more. | Google (Gemini) | $0.300 | $0.030 | $2.50 | $0.850 |
| Gemini 3.8 Flash | Google (Gemini) | $0.750 → $1.50 from 2027-01-01 | $0.075 → $0.150 from 2027-01-01 | $3.75 → $7.50 from 2027-01-01 | $1.50 |
| Gemini 3.7 Flash | Google (Gemini) | $0.750 → $1.50 from 2027-01-01 | $0.075 → $0.150 from 2027-01-01 | $3.75 → $7.50 from 2027-01-01 | $1.50 |
| Gemini 3.6 Flash | Google (Gemini) | $0.750 → $1.50 from 2027-01-01 | $0.075 → $0.150 from 2027-01-01 | $3.75 → $7.50 from 2027-01-01 | $1.50 |
| GPT-5.4 mini | OpenAI | $0.750 | $0.075 | $4.50 | $1.69 |
| o4-mini | OpenAI | $1.10 | $0.275 | $4.40 | $1.93 |
| Claude Haiku 4.5 | Anthropic (Claude) | $1.00 | $0.100 | $5.00 | $2.00 |
| Gemini 3.5 Flash | Google (Gemini) | $1.50 | $0.150 | $9.00 | $3.38 |
| GPT-5.1 | OpenAI | $1.25 | $0.125 | $10.00 | $3.44 |
| Gemini 2.5 Pro | Google (Gemini) | $1.25 ($2.50 above 200k) | $0.125 ($0.250 above 200k) | $10.00 ($15.00 above 200k) | $3.44 |
| GPT-4.1 | OpenAI | $2.00 | $0.500 | $8.00 | $3.50 |
| o3 | OpenAI | $2.00 | $0.500 | $8.00 | $3.50 |
| Claude Sonnet 5.5 | Anthropic (Claude) | $2.00 | $0.200 | $10.00 | $4.00 |
| Claude Sonnet 5 | Anthropic (Claude) | $2.00 | $0.200 | $10.00 | $4.00 |
| GPT-6.1 Sol | OpenAI | $2.00 | $0.100 | $10.00 | $4.00 |
| GPT-6 Sol | OpenAI | $2.00 | $0.200 | $10.00 | $4.00 |
| GPT-4o | OpenAI | $2.50 | $1.25 | $10.00 | $4.38 |
| GPT-5.6 Terra | OpenAI | $2.00 | $0.200 | $12.00 | $4.50 |
| Gemini 3.1 Pro (Preview) | Google (Gemini) | $2.00 ($4.00 above 200k) | $0.200 ($0.400 above 200k) | $12.00 ($18.00 above 200k) | $4.50 |
| GPT-5.2 | OpenAI | $1.75 | $0.175 | $14.00 | $4.81 |
| GPT-5.4 | OpenAI | $2.50 | $0.250 | $15.00 | $5.63 |
| Claude Sonnet 4.6 | Anthropic (Claude) | $3.00 | $0.300 | $15.00 | $6.00 |
| Claude Sonnet 4.5 | Anthropic (Claude) | $3.00 | $0.300 | $15.00 | $6.00 |
| Claude Opus 5.5 | Anthropic (Claude) | $4.00 | $0.200 | $20.00 | $8.00 |
| GPT-5.6 Sol | OpenAI | $4.00 | $0.400 | $20.00 | $8.00 |
| Claude Opus 5 | Anthropic (Claude) | $5.00 | $0.500 | $25.00 | $10.00 |
| Claude Opus 4.8 | Anthropic (Claude) | $5.00 | $0.500 | $25.00 | $10.00 |
| Claude Opus 4.7 | Anthropic (Claude) | $5.00 | $0.500 | $25.00 | $10.00 |
| Claude Opus 4.6 | Anthropic (Claude) | $5.00 | $0.500 | $25.00 | $10.00 |
| Claude Opus 4.5 | Anthropic (Claude) | $5.00 | $0.500 | $25.00 | $10.00 |
| GPT-5.5 | OpenAI | $5.00 | $0.500 | $30.00 | $11.25 |
| Claude Fable 5.1 | Anthropic (Claude) | $10.00 | $0.250 | $50.00 | $20.00 |
| Claude Fable 5 | Anthropic (Claude) | $10.00 | $1.00 | $50.00 | $20.00 |
| GPT-6 Astra | OpenAI | $10.00 | $1.00 | $50.00 | $20.00 |
| GPT-5.5 Pro | OpenAI | $30.00 | — | $180 | $67.50 |
Guides and tools
Everything uses one verified data file.
- LLM API cost calculator
Enter your requests and tokens; see the monthly cost of every model.
Open → - All prices compared
Claude, OpenAI and Gemini API prices in one table.
Open → - Cheapest LLM APIs
Models ranked by blended price per million tokens.
Open → - Claude API pricing
Prices, caching, batch and example costs.
Open → - OpenAI API pricing
Prices, cached input and example costs.
Open → - Gemini API pricing
Prices, scheduled changes and long-context tiers.
Open →
Prices change often. Every number links to its source. Read our data policy.