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.
With CoreAI, you can start chatting with OpenAI: GPT-3.5 Turbo Instruct instantly — no separate subscription needed. CoreAI lets you chat with OpenAI: GPT-3.5 Turbo Instruct alongside 300+ other AI models from OpenAI and other providers like OpenAI, Anthropic, Google, Meta, and more.
OpenAI: GPT-3.5 Turbo Instruct holds the #391 spot for context size out of 392 chat models in the CoreAI catalog — 4K tokens, roughly 3,071 words or 6 pages of text in a single conversation. On price, it is the #154 cheapest of 183 standard-tier models by input cost. It joined the catalog on 2023-09-28.
Every model in this table is available on CoreAI — open the web app and run the same prompt through OpenAI: GPT-3.5 Turbo Instruct and OpenAI: GPT-5.4 (batch) side by side to judge with your own eyes.
A typical question (about 1,000 tokens in, 500 out) runs $0.00250 on OpenAI: GPT-3.5 Turbo Instruct's raw per-token rates; a heavy session with a 50K-token document costs about $0.085. On CoreAI you don't juggle these numbers — one subscription covers OpenAI: GPT-3.5 Turbo Instruct and 300+ other models under a plan usage limit, with no API keys. See plans.
OpenAI: GPT-3.5 Turbo Instruct handles 4K tokens of context — roughly 3,071 words, or about 6 pages of text in one conversation.
OpenAI: GPT-3.5 Turbo Instruct's underlying rates are $1.5 per 1M input tokens and $2 per 1M output tokens. On CoreAI it is included in one subscription alongside 300+ models, so there is no per-token billing to manage.
No — OpenAI: GPT-3.5 Turbo Instruct is text-only. If you need image understanding, its standard-tier peers with vision are listed in the comparison table above.
No — OpenAI: GPT-3.5 Turbo Instruct answers directly without an extended reasoning phase, which usually means faster responses.
Open the CoreAI web app or the iOS/Android app, pick OpenAI: GPT-3.5 Turbo Instruct in the model selector, and chat — no API key, no per-token billing. One subscription covers OpenAI: GPT-3.5 Turbo Instruct and 300+ other models.
The closest alternatives on CoreAI are OpenAI: GPT-5.4 (batch), AionLabs: Aion-RP 1.0 (8B), inclusionAI: Ling-2.6-flash — similar tier and capability. The fastest way to choose is running one prompt through them side by side in CoreAI's Compare view.
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