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1. Leiolai 1 Research Fast
$0.01 input$0.02 output
Leiolai 1 Research Fast costs $0.01 per million input tokens and $0.02 per million output tokens. It is the cheapest AI API.
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2. Gemini 2.5 Flash-Lite
$0.10 input$0.40 output
Google charges $0.10 per million input tokens and $0.40 per million output tokens for Gemini 2.5 Flash-Lite. Gemini ranks second.
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3. GPT-6 Luna
$0.10 input$0.50 output
OpenAI charges $0.10 per million input tokens and $0.50 per million output tokens for GPT-6 Luna. Luna ranks third.
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4. Claude Haiku 4.5
$1 input$5 output
Anthropic charges $1 per million input tokens and $5 per million output tokens for Claude Haiku 4.5. Haiku ranks fourth.
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5. Grok 4.7
$2 input$6 output
xAI charges $2 per million input tokens and $6 per million output tokens for Grok 4.7. Grok ranks fifth.
Full price comparison
| Rank | Provider and model | Input | Output |
|---|---|---|---|
| 1 | Leiolai 1Leiolai · Research Fast | $0.01 | $0.02 |
| 2 | Gemini 2.5 Flash-LiteGoogle | $0.10 | $0.40 |
| 3 | GPT-6 LunaOpenAI | $0.10 | $0.50 |
| 4 | Claude Haiku 4.5Anthropic | $1 | $5 |
| 5 | Grok 4.7xAI | $2 | $6 |
Prices were checked against each provider's official pricing on September 26, 2026.
Where GPT-6 Sol, Claude Opus, and Fable land
GPT-6 Sol, Claude Opus 5.5, and Claude Fable 5.1 cost more than the lowest-priced model from their respective providers. The GPT-6 Astra, Fable 5.1, and Leiolai 1 comparison covers context and output limits.
Call Leiolai 1 for $0.02 per million output tokens
Use leiolai-1 with reasoning_effort: "low" and mode: "non-private". The model stays the same; the Fast setting controls how much response depth to use.
| Effort | Input / 1M | Output / 1M |
|---|---|---|
| Low | $0.01 | $0.02 |
| Medium | $0.25 | $0.65 |
| High | $6.40 | $21 |
| Xhigh | $160 | $700 |
Low, medium, and high Research rates are launch prices. Xhigh uses standard pricing. The Leiolai API pricing table carries the current rates and the API reference has a working Chat Completions request.