GPT-3.5 Turbo vs Phi-3.5-MoE-instruct
Phi-3.5-MoE-instruct leads the LLM Stats Score 1.9 to -9.4.
OpenAI · Microsoft · Updated for 2026
Which is better?
Phi-3.5-MoE-instruct leads the overall LLM Stats Score 1.9 to -9.4, ranking #324 overall.
In the 5 individual benchmarks reported for both models, Phi-3.5-MoE-instruct wins 5; this is a narrower head-to-head signal than the composite indexes.
Based on current LLM Stats indexes, shared benchmarks, pricing, and model metadata for 2026.
Choose GPT-3.5 Turbo
- you want predictable pricing at $0.50/M input and $1.50/M output
Choose Phi-3.5-MoE-instruct
- overall performance matters — it scores 1.9 and ranks #324 on LLM Stats
- your work emphasizes reasoning — it leads those capability indexes
- you value its reported benchmark strengths — it wins 5 of 5 exact shared results
- you want the most recent training data — it shipped Aug 2024
- you need open weights you can self-host or fine-tune
At a glance
The differences that matter most.
Capability indexes
Additional strengths measured across groups of related public benchmarks
Individual benchmarks
8 reported for GPT-3.5 Turbo · 31 for Phi-3.5-MoE-instruct
GPT-3.5 Turbo outperforms in 0 benchmarks, while Phi-3.5-MoE-instruct is better at 5 benchmarks (GPQA, HumanEval, MATH, MGSM, MMLU).
Phi-3.5-MoE-instruct significantly outperforms across most benchmarks.
Human preference
Blind head-to-head votes and playground preference scores
Context Window
Maximum input and output token capacity
Only GPT-3.5 Turbo specifies input context (16,385 tokens). Only GPT-3.5 Turbo specifies output context (4,096 tokens).
License
Usage and distribution terms
GPT-3.5 Turbo is licensed under a proprietary license, while Phi-3.5-MoE-instruct uses MIT.
License differences may affect how you can use these models in commercial or open-source projects.
Proprietary
Closed source
MIT
Open weights
Release Timeline
When each model was launched
GPT-3.5 Turbo was released on 2023-03-21, while Phi-3.5-MoE-instruct was released on 2024-08-23.
Phi-3.5-MoE-instruct is 17 months newer than GPT-3.5 Turbo.
Mar 21, 2023
3.5 years ago
Aug 23, 2024
2.1 years ago
1.4yr newerKnowledge Cutoff
When training data ends
GPT-3.5 Turbo has a documented knowledge cutoff of 2021-09-30, while Phi-3.5-MoE-instruct's cutoff date is not specified.
We can confirm GPT-3.5 Turbo's training data extends to 2021-09-30, but cannot make a direct comparison without Phi-3.5-MoE-instruct's cutoff date.
Sep 2021
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Outputs Comparison
Judge for yourself.
Run your own prompts against GPT-3.5 Turbo and Phi-3.5-MoE-instruct side-by-side, then vote on the output you prefer.
FAQ
Common questions about GPT-3.5 Turbo vs Phi-3.5-MoE-instruct.