List prices for 56 text models from OpenAI, Anthropic and Google, turned into numbers you can price a subscription with: what one chat message costs (1,500 tokens in, 400 out), and how many messages a user on a $9.99 plan can send each month before their AI cost uses up what you keep after a 15% store fee. Prices are the ones FiscaLLM uses to cost real usage, audited against each provider's pricing page.
List prices, standard tier, prompts under the long-context threshold. Averages hide your heaviest users: FiscaLLM shows this per real user.
| Model | Input | Cached | Output | Per message | Break-even / mo |
|---|---|---|---|---|---|
| Claude Haiku 5.5 Anthropic | $0.1 | $0.01 | $0.5 | $0.00035 | 24,261 |
| Claude Haiku 4.5 Anthropic | $1 | $0.1 | $5 | $0.0035 | 2,426 |
| Claude Sonnet 5.5 Anthropic | $2 | $0.1 | $10 | $0.0070 | 1,213 |
| Claude Sonnet 5 Anthropic | $2 | $0.2 | $10 | $0.0070 | 1,213 |
| Claude Sonnet 4.6 Anthropic | $3 | $0.3 | $15 | $0.0105 | 808 |
| Claude Sonnet 4.5 Anthropic | $3 | $0.3 | $15 | $0.0105 | 808 |
| Claude Opus 5.5 Anthropic | $4 | $0.2 | $20 | $0.0140 | 606 |
| Claude Opus 5 Anthropic | $5 | $0.5 | $25 | $0.0175 | 485 |
| Claude Opus 4.8 Anthropic | $5 | $0.5 | $25 | $0.0175 | 485 |
| Claude Opus 4.7 Anthropic | $5 | $0.5 | $25 | $0.0175 | 485 |
| Claude Opus 4.6 Anthropic | $5 | $0.5 | $25 | $0.0175 | 485 |
| Claude Opus 4.5 Anthropic | $5 | $0.5 | $25 | $0.0175 | 485 |
| Claude Fable 5.1 Anthropic | $10 | $0.25 | $50 | $0.0350 | 242 |
| Claude Fable 5 Anthropic | $10 | $1 | $50 | $0.0350 | 242 |
| Gemini 2.5 Flash Lite Google | $0.1 | $0.01 | $0.4 | $0.00031 | 27,391 |
| Gemini 3.1 Flash Lite Google | $0.25 | $0.025 | $1.5 | $0.00097 | 8,709 |
| Gemini 3.5 Flash Lite Google | $0.3 | $0.03 | $2.5 | $0.0014 | 5,856 |
| Gemini 2.5 Flash Google | $0.3 | $0.03 | $2.5 | $0.0014 | 5,856 |
| Gemini 3 Flash Preview Google | $0.5 | $0.05 | $3 | $0.0019 | 4,354 |
| Gemini 3.8 Flash Google | $0.75 | $0.075 | $3.75 | $0.0026 | 3,234 |
| Gemini 3.6 Flash Google | $0.75 | $0.075 | $3.75 | $0.0026 | 3,234 |
| Gemini 2.5 Pro Google | $1.25 | $0.125 | $10 | $0.0059 | 1,445 |
| Gemini 4 Argon Google | $2 | $0.1 | $10 | $0.0070 | 1,213 |
| Gemini 3.1 Pro Preview Google | $2 | $0.2 | $12 | $0.0078 | 1,088 |
| GPT-5 nano OpenAI | $0.05 | $0.005 | $0.4 | $0.00023 | 36,134 |
| GPT-4.1 nano OpenAI | $0.1 | $0.025 | $0.4 | $0.00031 | 27,391 |
| GPT-6 luna OpenAI | $0.1 | $0.01 | $0.5 | $0.00035 | 24,261 |
| GPT-4o mini OpenAI | $0.15 | $0.075 | $0.6 | $0.00047 | 18,261 |
| GPT-5.6 luna OpenAI | $0.2 | $0.02 | $1.2 | $0.00078 | 10,886 |
| GPT-5.4 nano OpenAI | $0.2 | $0.02 | $1.25 | $0.00080 | 10,614 |
| GPT-5 mini OpenAI | $0.25 | $0.025 | $2 | $0.0012 | 7,226 |
| GPT-4.1 mini OpenAI | $0.4 | $0.1 | $1.6 | $0.0012 | 6,847 |
| GPT-3.5 turbo OpenAI | $0.5 | – | $1.5 | $0.0014 | 6,290 |
| GPT-5.4 mini OpenAI | $0.75 | $0.075 | $4.5 | $0.0029 | 2,903 |
| o3-mini OpenAI | $1.1 | $0.55 | $4.4 | $0.0034 | 2,490 |
| o4-mini OpenAI | $1.1 | $0.275 | $4.4 | $0.0034 | 2,490 |
| GPT-5.1 OpenAI | $1.25 | $0.125 | $10 | $0.0059 | 1,445 |
| GPT-5 OpenAI | $1.25 | $0.125 | $10 | $0.0059 | 1,445 |
| GPT-4.1 OpenAI | $2 | $0.5 | $8 | $0.0062 | 1,369 |
| o3 OpenAI | $2 | $0.5 | $8 | $0.0062 | 1,369 |
| GPT-6.1 sol OpenAI | $2 | $0.1 | $10 | $0.0070 | 1,213 |
| GPT-6 sol OpenAI | $2 | $0.2 | $10 | $0.0070 | 1,213 |
| GPT-4o OpenAI | $2.5 | $1.25 | $10 | $0.0077 | 1,095 |
| GPT-5.6 terra OpenAI | $2 | $0.2 | $12 | $0.0078 | 1,088 |
| GPT-5.2 OpenAI | $1.75 | $0.175 | $14 | $0.0082 | 1,032 |
| GPT-5.4 OpenAI | $2.5 | $0.25 | $15 | $0.0097 | 870 |
| GPT-5.6 sol OpenAI | $4 | $0.4 | $20 | $0.0140 | 606 |
| GPT-5.5 OpenAI | $5 | $0.5 | $30 | $0.0195 | 435 |
| GPT-6 astra OpenAI | $10 | $1 | $50 | $0.0350 | 242 |
| o1 OpenAI | $15 | $7.5 | $60 | $0.0465 | 182 |
| o3-pro OpenAI | $20 | – | $80 | $0.0620 | 136 |
| GPT-5 pro OpenAI | $15 | – | $120 | $0.0705 | 120 |
| GPT-5.2 pro OpenAI | $21 | – | $168 | $0.0987 | 86 |
| GPT-5.5 pro OpenAI | $30 | – | $180 | $0.117 | 72 |
| GPT-5.4 pro OpenAI | $30 | – | $180 | $0.117 | 72 |
| o1-pro OpenAI | $150 | – | $600 | $0.465 | 18 |
USD per million tokens, standard tier, prompts under the long-context threshold. "Break-even" is messages per month at which a $9.99 subscriber costs you everything you keep. Sources and audit: ACCURACY.md.
A model that looks cheap per message can still lose money on your heaviest users. In most AI apps a few percent of users run up most of the bill, and a flat plan charges them the same as everyone else. To price safely you need cost per user, next to what each user actually paid.
That is what FiscaLLM does: one line after each AI call reports token counts (never prompts), RevenueCat, Stripe or a CSV reports revenue, and you see margin per user, plan and free trial, with alerts and optional caps. Free and open source. See the demo dashboard.
At list prices, for a 1,500-token prompt and a 400-token reply: GPT-5 nano ($0.00023), GPT-4.1 nano ($0.00031) and Gemini 2.5 Flash Lite ($0.00031).
Multiply each call's input, cached and output tokens by the model's price per million tokens, add up the calls for each user, and compare the total with what that user paid you after store fees and tax.
Generating each output token takes a full pass through the model, while input tokens are processed in parallel. Most providers charge 4 to 8 times more for output.
Yes. Tokens read from the cache are billed at a fraction of the input price, often 10%. A chat app that resends the same system prompt and history can cut input cost by more than half.