AI Cost Calculator
Enter how much you use AI. See what every provider actually costs. API pricing and subscriptions compared side by side.
GPT-6.1 Sol, current Claude models, and DeepSeek updated October 1, 2026; other rates retained from September 2026 checks.
API estimates use 500 input and 800 output tokens per message over 30 days. Chat plans are listed separately for reference; their limits and features differ, and they do not include equivalent API usage. Free tiers have usage limits.
How much do you use AI?
Your costs update live below as you drag.
Your monthly cost at 30 messages/day
GPT-6 Luna
CheapestOpenAI
Prompts over 272K tokens are billed at $0.20 / $0.75. Cached input $0.01/M.
GLM-5.3-Flash
Z.ai
Standard rates checked September 9, 2026. The introductory promotion has ended.
GPT-5.6 Luna
OpenAI
GPT-5.4 Nano
OpenAI
DeepSeek V4.1 Flash
DeepSeek
Checked October 1, 2026. Peak cache-miss rate; cache hits $0.006/M. Off-peak: $0.15 input / $0.60 output; cache hits $0.003/M. Legacy V4 Flash aliases route to V4.1 Flash.
Qwen3.8-27B
Alibaba Cloud
International Model Studio rate; Singapore lists a 1M-token free quota.
Gemini 3.8 Flash
Intro price through Dec 31, 2026; standard rate is $1.50 / $7.50.
DeepSeek V4 Pro
DeepSeek
Checked October 1, 2026. Peak cache-miss rate; cache hits $0.044/M. Off-peak: $0.66 input / $1.98 output; cache hits $0.022/M.
GPT-5.4 Mini
OpenAI
Claude Haiku 4.5
Anthropic
Qwen3.8-Max
Alibaba Cloud
International Model Studio rate; region and deployment can change the price.
Grok 4.7
xAI
Short-context rate; long-context requests (>=200K) are $4 / $12.
Gemini 3.5 Flash
Claude Sonnet 5.5
Anthropic
Checked October 1, 2026. Cached input $0.20/M; 5-minute cache writes $2.50/M.
GPT-6.1 Sol
OpenAI
Checked October 1, 2026. Standard rate up to 272K input tokens; cached input $0.10/M, cache writes $2.50/M. Above 272K: $4 input / $15 output per M; cache rates double for the full request.
GPT-6 Sol
OpenAI
Prompts over 272K tokens are billed at $4 / $15. Cached input $0.20/M.
GPT-5.6 Terra
OpenAI
Gemini 3.1 Pro
GPT-5.4
OpenAI
Claude Opus 5.5
Anthropic
Checked October 1, 2026. Cache reads $0.20/M; 5-minute cache writes $5/M.
GPT-5.6 Sol
OpenAI
$4 / $20 is a promotional rate available at least through Nov 21, 2026; list price is $5 / $30.
Claude Opus 5
Anthropic
Claude Fable 5.1
Anthropic
Checked October 1, 2026. Cache reads $0.25/M; 5-minute cache writes $12.50/M. Pro requires usage credits; Max includes limited usage.
GPT-6 Astra
OpenAI
API live; organization admins may need to enable it.
GPT-5.5 Pro
OpenAI
Quick take
At 30 messages/day, GPT-6 Luna is the cheapest API option at $0.41/mo. The most expensive option (GPT-5.5 Pro) would cost $143.10/mo for the same usage. That adds up fast.
AI pricing changes constantly
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Pricing reference (see verification notes)
| Model | Input/M tokens | Output/M tokens | Subscription |
|---|---|---|---|
Claude Opus 5 | $5 | $25 | Historical API row; current chat-plan access not assumed |
Claude Opus 5.5 | $4 | $20 | API billed separately; check current plan access |
Claude Fable 5.1 | $10 | $50 | Pro: paid usage credits; Max: limited included usage |
Claude Sonnet 5.5 | $2 | $10 | API billed separately; check current plan access |
Claude Haiku 4.5 | $1 | $5 | API billed separately; check current plan access |
GPT-6 Astra | $10 | $50 | API billed separately; check current plan access |
GPT-6.1 Sol | $2 | $10 | API; eligible Plus+ in Work/Codex, not Chat |
GPT-6 Sol | $2 | $10 | API billed separately; check current plan access |
GPT-6 Luna | $0.1 | $0.5 | API billed separately; check current plan access |
GPT-5.6 Sol | $4 | $20 | API billed separately; check current plan access |
GPT-5.6 Terra | $2 | $12 | API billed separately; check current plan access |
GPT-5.6 Luna | $0.2 | $1.2 | API billed separately; check current plan access |
GPT-5.4 | $2.5 | $15 | Historical API row; current chat-plan access not assumed |
GPT-5.5 Pro | $30 | $180 | Historical API row; current chat-plan access not assumed |
GPT-5.4 Mini | $0.75 | $4.5 | Historical API row; current chat-plan access not assumed |
GPT-5.4 Nano | $0.2 | $1.25 | API billed separately; check current plan access |
Gemini 3.8 Flash | $0.75 | $3.75 | API billed separately; check current plan access |
Qwen3.8-Max | $2 | $6 | API billed separately; check current plan access |
Qwen3.8-27B | $0.5 | $3 | API billed separately; check current plan access |
Gemini 3.1 Pro | $2 | $12 | API billed separately; check current plan access |
Gemini 3.5 Flash | $1.5 | $9 | API billed separately; check current plan access |
Grok 4.7 | $2 | $6 | API billed separately; check current plan access |
GLM-5.3-Flash | $0.15 | $0.5 | API billed separately; check current plan access |
DeepSeek V4.1 Flash | $0.3 | $1.2 | API billed separately; check current plan access |
DeepSeek V4 Pro | $1.32 | $3.96 | API billed separately; check current plan access |
GPT-6.1 Sol, current Claude models, and DeepSeek updated October 1, 2026; other rates retained from September 2026 checks. Estimates use uncached standard rates, excluding tools, cache writes, batch discounts, and long-context premiums. DeepSeek uses peak prices: weekdays 01:00–04:00 and 06:00–10:00 UTC, except Chinese public holidays; all other hours are off-peak. GPT-6.1 Sol: Work / Codex / API.