Inflection 3 Pi
by Inflection · inflection/inflection-3-pi · #271 cheapest of 325 paid models
Prices updated Jul 22, 2026, 2:47 AM UTC · refreshed hourly
Inflection 3 Pi powers Inflection's [Pi](https://pi.ai) chatbot, including backstory, emotional intelligence, productivity, and safety. It has access to recent news, and excels in scenarios like customer support and roleplay. Pi...
Compare vs:Claude Sonnet 5Claude Opus 4.6Claude Haiku 4.5GPT-5.6 Sol
Pricing
Input
$2.50
per 1M tokens
Output
$10.00
per 1M tokens
Blended (3:1)
$4.38
3 input : 1 output
Cache read
—
per 1M cached tokens
Cache write
—
per 1M tokens
Cache & batch economics
Effective prices for Inflection 3 Pi (no cache-read rate published — hits billed as normal input).
| Cache hit rate | Effective blended $/1M | Example request* | vs no cache |
|---|---|---|---|
| 0% | $4.38 | $0.265 | — |
| 50% | $4.38 | $0.265 | −0% |
| 90% | $4.38 | $0.265 | −0% |
*Example: 100K sticky context + 2K new input + 1K output. Batch discount is an approximate 50% off list rates (available for OpenAI / Anthropic / Google — not flagged for this creator). Confirm on the vendor’s pricing page.
What a request costs
| Workload | Input tokens | Output tokens | Cost / request | Cost / 1K requests |
|---|---|---|---|---|
| Short chat message | 500 | 300 | $0.00425 | $4.25 |
| Document summary | 8,000 | 1,000 | $0.03 | $30.00 |
| Codebase question (RAG) | 30,000 | 2,000 | $0.095 | $95.00 |
| Long-context analysis | 150,000 | 5,000 | $0.425 | $425.00 |
Specs
Context window
8K
tokens
Max output
1K
tokens
Input modalities
text
Tokenizer
Other