GPT-3.5 Turbo vs Grok-1.5V
Grok-1.5V leads the LLM Stats Score -0.6 to -9.2.
OpenAI · xAI · Updated for 2026
Which is better?
Grok-1.5V leads the overall LLM Stats Score -0.6 to -9.2, ranking #315 overall.
In the 2 individual benchmarks reported for both models, Grok-1.5V wins 2; 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 Grok-1.5V
- overall performance matters — it scores -0.6 and ranks #315 on LLM Stats
- your work emphasizes reasoning — it leads those capability indexes
- you value its reported benchmark strengths — it wins 2 of 2 exact shared results
- you want the most recent training data — it shipped Apr 2024
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 · 7 for Grok-1.5V
GPT-3.5 Turbo outperforms in 0 benchmarks, while Grok-1.5V is better at 2 benchmarks (MathVista, MMMU).
Grok-1.5V 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).
Input capabilities
Documented input modalities across available providers
Grok-1.5V supports multimodal inputs, whereas GPT-3.5 Turbo does not.
Grok-1.5V can handle both text and other forms of data like images, making it suitable for multimodal applications.
GPT-3.5 Turbo
Grok-1.5V
License
Usage and distribution terms
Both models are licensed under proprietary licenses.
Both models have usage restrictions defined by their respective organizations.
Proprietary
Closed source
Proprietary
Closed source
Release Timeline
When each model was launched
GPT-3.5 Turbo was released on 2023-03-21, while Grok-1.5V was released on 2024-04-12.
Grok-1.5V is 13 months newer than GPT-3.5 Turbo.
Mar 21, 2023
3.4 years ago
Apr 12, 2024
2.4 years ago
1.1yr newerKnowledge Cutoff
When training data ends
GPT-3.5 Turbo has a documented knowledge cutoff of 2021-09-30, while Grok-1.5V'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 Grok-1.5V's cutoff date.
Sep 2021
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Outputs Comparison
Judge for yourself.
Run your own prompts against GPT-3.5 Turbo and Grok-1.5V side-by-side, then vote on the output you prefer.
FAQ
Common questions about GPT-3.5 Turbo vs Grok-1.5V.