SpendLint

LLM API pricing comparison

55 current models ranked by what the same workload costs. Change the workload and the whole table re-ranks on the server.

At 1,000 requests per day with 3,000 input and 600 output tokens each, the cheapest current model is GPT-5 nano at $11.70 per month and the most expensive is GPT-5 pro at $3,510.00, a 300 times the price of the cheapest.

RankModelProviderInput per 1MOutput per 1MPer requestPer monthVerified
1GPT-5 nanoAzure OpenAI (Foundry Models)$0.05$0.40$0.000390$11.70
2GPT-5 nanoOpenAI$0.05$0.40$0.000390$11.70
3GPT-4.1 nanoAzure OpenAI (Foundry Models)$0.10$0.40$0.000540$16.20
4Gemini 2.5 Flash-LiteGoogle (Gemini API)$0.10$0.40$0.000540$16.20
5GPT-4.1 nanoOpenAI$0.10$0.40$0.000540$16.20
6GPT-4o miniAzure OpenAI (Foundry Models)$0.15$0.60$0.000810$24.30
7GPT-4o miniOpenAI$0.15$0.60$0.000810$24.30
8GPT-5.6 LunaOpenAI$0.20$1.20$0.001320$39.60
9GPT-5.4 nanoOpenAI$0.20$1.25$0.001350$40.50
10GPT-5 miniAzure OpenAI (Foundry Models)$0.25$2.00$0.001950$58.50
11GPT-5 miniOpenAI$0.25$2.00$0.001950$58.50
12GPT-4.1 miniAzure OpenAI (Foundry Models)$0.40$1.60$0.002160$64.80
13GPT-4.1 miniOpenAI$0.40$1.60$0.002160$64.80
14Gemini 2.5 FlashGoogle (Gemini API)$0.30$2.50$0.002400$72.00
15Gemini 3.5 Flash-LiteGoogle (Gemini API)$0.30$2.50$0.002400$72.00
16Gemini 3 Flash PreviewpreviewGoogle (Gemini API)$0.50$3.00$0.003300$99.00
17Gemini 3.6 FlashGoogle (Gemini API)$0.75$3.75$0.004500$135.00
18Gemini 3.7 FlashGoogle (Gemini API)$0.75$3.75$0.004500$135.00
19Gemini 3.8 FlashGoogle (Gemini API)$0.75$3.75$0.004500$135.00
20GPT-5.4 miniOpenAI$0.75$4.50$0.004950$148.50
21o4-miniAzure OpenAI (Foundry Models)$1.10$4.40$0.005940$178.20
22o3-miniOpenAI$1.10$4.40$0.005940$178.20
23o4-miniOpenAI$1.10$4.40$0.005940$178.20
24Claude Haiku 4.5Anthropic$1.00$5.00$0.006000$180.00
25GPT-5Azure OpenAI (Foundry Models)$1.25$10.00$0.009750$292.50
26GPT-5-CodexAzure OpenAI (Foundry Models)$1.25$10.00$0.009750$292.50
27Gemini 2.5 ProGoogle (Gemini API)$1.25$10.00$0.009750$292.50
28GPT-5OpenAI$1.25$10.00$0.009750$292.50
29GPT-5.1OpenAI$1.25$10.00$0.009750$292.50
30Gemini 3.5 FlashGoogle (Gemini API)$1.50$9.00$0.009900$297.00
31GPT-4.1Azure OpenAI (Foundry Models)$2.00$8.00$0.0108$324.00
32o3Azure OpenAI (Foundry Models)$2.00$8.00$0.0108$324.00
33GPT-4.1OpenAI$2.00$8.00$0.0108$324.00
34o3OpenAI$2.00$8.00$0.0108$324.00
35Claude Sonnet 5Anthropic$2.00$10.00$0.0120$360.00
36Gemini 3.1 Pro PreviewpreviewGoogle (Gemini API)$2.00$12.00$0.0132$396.00
37GPT-5.6 TerraOpenAI$2.00$12.00$0.0132$396.00
38GPT-4o (2024-11-20)Azure OpenAI (Foundry Models)$2.50$10.00$0.0135$405.00
39GPT-4oOpenAI$2.50$10.00$0.0135$405.00
40GPT-5.4OpenAI$2.50$15.00$0.0165$495.00
41Claude Sonnet 4.5Anthropic$3.00$15.00$0.0180$540.00
42Claude Sonnet 4.6Anthropic$3.00$15.00$0.0180$540.00
43GPT-5.6 SolOpenAI$4.00$20.00$0.0240$720.00
44Claude Opus 4.5Anthropic$5.00$25.00$0.0300$900.00
45Claude Opus 4.6Anthropic$5.00$25.00$0.0300$900.00
46Claude Opus 4.7Anthropic$5.00$25.00$0.0300$900.00
47Claude Opus 4.8Anthropic$5.00$25.00$0.0300$900.00
48Claude Opus 5Anthropic$5.00$25.00$0.0300$900.00
49GPT-5.5OpenAI$5.00$30.00$0.0330$990.00
50Claude Fable 5.1Anthropic$10.00$50.00$0.0600$1,800.00
51GPT-6 AstraOpenAI$10.00$50.00$0.0600$1,800.00
52o1Azure OpenAI (Foundry Models)$15.00$60.00$0.0810$2,430.00
53o1OpenAI$15.00$60.00$0.0810$2,430.00
54o3-proAzure OpenAI (Foundry Models)$20.00$80.00$0.1080$3,240.00
55GPT-5 proAzure OpenAI (Foundry Models)$15.00$120.00$0.1170$3,510.00

Input and output columns show the base list price; the per request and per month columns apply long-context tiers and the batch multiplier when selected. Retired models are excluded. Models marked preview may change price at general availability.

Reading the table

Sources and verification

Every figure above was read from the official page or pricing API named here and last verified on . Superseded prices stay in the dataset with an end date; nothing is overwritten. When a price on this page is older than 45 days a warning appears at the top. Raw data: /api/v1/pricing.json.