Monthly cost calculator · 20 models · checked October 12, 2026
What will your AI feature cost each month?
Describe the workload, not the tokens. We price it on every major LLM API and sort them from cheapest to most expensive.
Start from a use case
1,000 tokens is about 750 English words. Input includes your system prompt, chat history and any retrieved documents.
Claude Haiku 5.5
AnthropicCheapest
$18.00 /mo
GPT-6 Luna
OpenAICheapest
$18.00 /mo
DeepSeek V4.1 Flash
DeepSeek
$24.30 /mo
Gemini 3.1 Flash-Lite
Google
$49.50 /mo
Gemini 3.5 Flash-Lite
Google
$72.00 /mo
Mistral Large
Mistral
$72.00 /mo
DeepSeek V4 Pro
DeepSeek
$95.04 /mo
$126 /mo
Gemini 3.8 Flash
Google
$135 /mo
Gemini 3.6 Flash
Google
$135 /mo
Grok 4.3
xAI
$158 /mo
Claude Haiku 4.5
Anthropic
$180 /mo
Grok 4.7
xAI
$288 /mo
Claude Sonnet 5.5
Anthropic
$360 /mo
GPT-6.1 Sol
OpenAI
$360 /mo
Gemini 3.1 Pro
Google
$396 /mo
GPT-5.3 Codex
OpenAI
$410 /mo
Claude Opus 5.5
Anthropic
$720 /mo
Claude Fable 5.1
Anthropic
$1,800 /mo
GPT-6 Astra
OpenAI
$1,800 /mo
Rate card
LLM API prices per 1M tokens
| Notes | Source | ||||||
|---|---|---|---|---|---|---|---|
| Claude Haiku 5.5 | Anthropic | 0.10 | 0.010 | 0.50 | 1M | 5× price for prompts over 100K tokens | Official page ↗ |
| GPT-6 Luna | OpenAI | 0.10 | 0.010 | 0.50 | 1.05M | Short-context rate | Official page ↗ |
| DeepSeek V4.1 Flash | DeepSeek | 0.15 | 0.003 | 0.60 | 1M | Off-peak rate. Peak hours cost 2× | Official page ↗ |
| Gemini 3.1 Flash-Lite | 0.25 | – | 1.50 | 1M | Audio input $0.50 | Official page ↗ | |
| Gemini 3.5 Flash-Lite | 0.30 | – | 2.50 | 1M | Official page ↗ | ||
| Mistral Large | Mistral | 0.50 | – | 1.50 | – | Version not stated on pricing page | Official page ↗ |
| DeepSeek V4 Pro | DeepSeek | 0.66 | 0.022 | 1.98 | 1M | Off-peak rate. Peak hours cost 2× | Official page ↗ |
| Gemini 3.8 Flash | 0.75 | – | 3.75 | 1M | Rises to $1.50 / $7.50 on Jan 1, 2027 | Official page ↗ | |
| Gemini 3.6 Flash | 0.75 | – | 3.75 | 1M | Rises to $1.50 / $7.50 on Jan 1, 2027 | Official page ↗ | |
| Claude Haiku 4.5 | Anthropic | 1.00 | 0.10 | 5.00 | – | Official page ↗ | |
| Grok Build 0.1 | xAI | 1.00 | 0.20 | 2.00 | 256K | Coding model | Official page ↗ |
| Grok 4.3 | xAI | 1.25 | 0.20 | 2.50 | 1M | Higher rate for prompts of 200K+ | Official page ↗ |
| GPT-5.3 Codex | OpenAI | 1.75 | 0.17 | 14.00 | – | Coding model | Official page ↗ |
| Claude Sonnet 5.5 | Anthropic | 2.00 | 0.10 | 10.00 | 1M | Official page ↗ | |
| GPT-6.1 Sol | OpenAI | 2.00 | 0.10 | 10.00 | 1.05M | Short-context rate | Official page ↗ |
| Gemini 3.1 Pro | 2.00 | – | 12.00 | 1M | Preview. Higher rate over 200K tokens | Official page ↗ | |
| Grok 4.7 | xAI | 2.00 | 0.50 | 6.00 | 500K | Higher rate for prompts of 200K+ | Official page ↗ |
| Claude Opus 5.5 | Anthropic | 4.00 | 0.20 | 20.00 | 1M | Official page ↗ | |
| Claude Fable 5.1 | Anthropic | 10.00 | 0.25 | 50.00 | 1M | Official page ↗ | |
| GPT-6 Astra | OpenAI | 10.00 | 1.00 | 50.00 | 1.05M | Short-context rate | Official page ↗ |
Cheapest model by use case
Popular comparisons
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