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 has been t…
Model details →Inflection: Inflection 3 Pi vs OpenAI: GPT-3.5 Turbo Instruct
OpenAI: GPT-3.5 Turbo Instruct wins on 2 of 6 axes — pricing and capability skew in its favour for most workloads.
This model is a variant of GPT-3.5 Turbo tuned for instructional prompts and omitting chat-related optimizations. Training data: up to Sep 2021.
Model details →Side-by-side comparison
| Capability | Inflection: Inflection 3 Pi | OpenAI: GPT-3.5 Turbo Instruct | Winner |
|---|---|---|---|
| Context window Maximum number of input tokens the model can attend to in a single request. | 8K | 4K | 🏆 Inflection: Inflection 3 Pi |
| Input price (per 1M) Cost per million input tokens billed by the provider. | $2.50 | $1.50 | 🏆 OpenAI: GPT-3.5 Turbo Instruct |
| Output price (per 1M) Cost per million output tokens billed by the provider. | $10.00 | $2.00 | 🏆 OpenAI: GPT-3.5 Turbo Instruct |
| Tool / function calling First-class support for emitting structured tool calls. | — | — | Tie |
| Vision input Accepts image inputs alongside text. | — | — | Tie |
| Reasoning mode Internal chain-of-thought / extended-thinking support. | — | — | Tie |
Frequently asked questions
Is Inflection: Inflection 3 Pi better than OpenAI: GPT-3.5 Turbo Instruct?
OpenAI: GPT-3.5 Turbo Instruct wins on 2 of 6 axes — pricing and capability skew in its favour for most workloads.
What's the price difference between Inflection: Inflection 3 Pi and OpenAI: GPT-3.5 Turbo Instruct?
Input: $2.50 vs $1.50 per 1M tokens. Output: $10.00 vs $2.00 per 1M tokens.
What context windows do Inflection: Inflection 3 Pi and OpenAI: GPT-3.5 Turbo Instruct support?
Inflection: Inflection 3 Pi supports up to 8K tokens. OpenAI: GPT-3.5 Turbo Instruct supports up to 4K tokens.
Do both Inflection: Inflection 3 Pi and OpenAI: GPT-3.5 Turbo Instruct support tool calling?
Inflection: Inflection 3 Pi: not advertised. OpenAI: GPT-3.5 Turbo Instruct: not advertised.