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OpenAI: OpenAI: GPT-3.5 Turbo Instruct

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.

Source-linked Weight access not listed
API record Report
InputT
OutputT
Input price$1.5/M
Output price$2/M
Context4.095K
Max output3.685K
Providers0
Inference availability

Providers

Provider-specific identifiers, limits, and listed prices per million tokens. Every row links back to the provider's own documentation.

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Specification

Capabilities

Recorded from the source catalog and provider listings.

? Reasoning Unknown
? Tool calling Unknown
? Structured output Unknown
? Attachments Unknown
× Vision input No
? Open weights Unknown
Creator
OpenAI
Model family
Not documented
Knowledge cutoff
Not documented
License
Not documented
Release date
Not documented
Model ID
openai/gpt-3.5-turbo-instruct
Published evaluations

Benchmarks

Every result stays attached to its source, version, metric and harness. Scores from different versions are never merged, and the profile below plots each benchmark against its own population rather than on a shared scale.

Benchmark registry
No published benchmark results

ModelBench does not infer quality from price, context size, or model name. When a source publishes a comparable result, it appears here with its version and link.

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Catalog activity

Change log

Field-level changes detected between successful source imports.

Full change log
Max Output Tokens4096 → 3685
Provenance

Sources & verification

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Methodology
Last verified
Oct 24, 2026
Status
Source-linked
Confidence
Medium
Catalog source
OpenRouter
OpenRoutercatalog ↗
Public API

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Fetch the complete source-linked model record. No key, no account, no rate-limited tier.

API documentation
Endpoint
GET https://modelbench.lol/api/v1/models/openai/gpt-3.5-turbo-instruct
curl
curl "https://modelbench.lol/api/v1/models/openai/gpt-3.5-turbo-instruct"
Common questions

Frequently asked questions

Answered directly from the stored record — nothing here is generated beyond the catalog's own fields.

What is OpenAI: GPT-3.5 Turbo Instruct?

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. It is published by OpenAI and catalogued here from OpenRouter.

What is the context length of OpenAI: GPT-3.5 Turbo Instruct?

OpenAI: GPT-3.5 Turbo Instruct accepts up to 4.095K tokens of context and returns up to 3.685K output tokens.

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