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 (older v0613)
OpenAI: GPT-3.5 Turbo (older v0613) wins on 3 of 6 axes — pricing and capability skew in its favour for most workloads.
GPT-3.5 Turbo is OpenAI's fastest model. It can understand and generate natural language or code, and is optimized for chat and traditional completion tasks. Training data up to Sep 2021.
Model details →Side-by-side comparison
| Capability | Inflection: Inflection 3 Pi | OpenAI: GPT-3.5 Turbo (older v0613) | 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 | $1.00 | 🏆 OpenAI: GPT-3.5 Turbo (older v0613) |
| Output price (per 1M) Cost per million output tokens billed by the provider. | $10.00 | $2.00 | 🏆 OpenAI: GPT-3.5 Turbo (older v0613) |
| Tool / function calling First-class support for emitting structured tool calls. | — | Yes | 🏆 OpenAI: GPT-3.5 Turbo (older v0613) |
| 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 (older v0613)?
OpenAI: GPT-3.5 Turbo (older v0613) wins on 3 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 (older v0613)?
Input: $2.50 vs $1.00 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 (older v0613) support?
Inflection: Inflection 3 Pi supports up to 8K tokens. OpenAI: GPT-3.5 Turbo (older v0613) supports up to 4K tokens.
Do both Inflection: Inflection 3 Pi and OpenAI: GPT-3.5 Turbo (older v0613) support tool calling?
Inflection: Inflection 3 Pi: not advertised. OpenAI: GPT-3.5 Turbo (older v0613): yes.