Specification

Release date: 28 Sept 2023
Source:OpenRouter public model & pricing listingT2observed 1 h agomedium
Status: deprecated
Source:OpenAI Platform docsT1observed 2 h agohigh
Context window: 4.1K tokens
Source:OpenRouter public model & pricing listingT2observed 1 h agomedium
Max output: 3.69K tokens
Source:OpenRouter public model & pricing listingT2observed 1 h agomedium
Knowledge cutoff: Sept 2021
Source:OpenRouter public model & pricing listingT2observed 1 h agomedium
Modalities: text
Source:OpenRouter public model & pricing listingT2observed 1 h agomedium
Input modalities: text
Source:OpenRouter public model & pricing listingT2observed 1 h agomedium
Output modalities: text
Source:OpenRouter public model & pricing listingT2observed 1 h agomedium
Tokenizer: GPT
Source:OpenRouter public model & pricing listingT2observed 1 h agomedium
API model id: gpt-3.5-turbo-instruct
Source:OpenAI Platform docsT1observed 2 h agohigh
Deprecation date: 26 Sept 2025
Source:OpenAI Platform docsT1observed 2 h agohigh
Retirement date: 28 Sept 2026
Source:OpenAI Platform docsT1observed 2 h agohigh
Retirement tentative: No
Source:OpenAI Platform docsT1observed 2 h agohigh
Instruct type: chatml
Source:OpenRouter public model & pricing listingT2observed 1 h agomedium
Openrouter id: openai/gpt-3.5-turbo-instruct
Source:OpenRouter public model & pricing listingT2observed 1 h agomedium
Supported parameters: frequency_penalty, logit_bias, logprobs, max_tokens, presence_penalty, response_format, seed, stop, structured_outputs, temperature, top_logprobs, top_p
Source:OpenRouter public model & pricing listingT2observed 1 h agomedium

Each value shows its source, tier and observation time. Conflicting claims are kept side by side and flagged — never averaged. How AI Atlas records facts →

Provenance

Attributed facts

19

Source tiers

T1T25 / 14

Freshest observation

1 h ago

Conflicts

None

Modalities

Modalities: text
Input: text
Output: text

Capabilities

Tool calling
No
OpenRouter public model & pricing listing · T2
Structured output
Yes
OpenRouter public model & pricing listing · T2
Reasoning
Unavailable
Vision
Unavailable
Audio
Unavailable
Fine-tuning available
Unavailable

Context window: 4.1K tokens
Source:OpenRouter public model & pricing listingT2observed 1 h agomedium
Max output: 3.69K tokens
Source:OpenRouter public model & pricing listingT2observed 1 h agomedium
Knowledge cutoff: Sept 2021
Source:OpenRouter public model & pricing listingT2observed 1 h agomedium
Tokenizer: GPT
Source:OpenRouter public model & pricing listingT2observed 1 h agomedium

No benchmark results recorded

Results appear when a tier 1–3 source publishes them; we never copy scores without a source.

Current prices

Current prices per 1M tokens
Provider	Input / 1M	Output / 1M	Cached in	Batch in / out	Context	Observed	Source
OpenAI APIgpt-3.5-turbo-instruct	$1.5	$2	—	—	—	2 h ago	developers.openai.comT1
OpenAI APIopenai/gpt-3.5-turbo-instruct	$1.5	$2	—	—	4.1K	1 h ago	openrouter.aiT2

USD per 1M tokens as published by each provider (USD). Rows are append-only: every change is kept in the history below.

Available through 1

OpenAI API

Price history

Input price · USD / 1M tokens

Output price · USD / 1M tokens

OpenAI API

No hardware estimate available

Estimates need a parameter count; this model has none recorded from a source.

No lineage recorded

Lineage comes from explicit `derived_from`, `fine_tuned_from`, `distilled_from` and `quantized_from` relations stated by sources.

Papers 0

No papers linked yet.

Repositories 0

No repositories linked yet.

As of

Rewind the record: see this entity's attributes exactly as AI Atlas knew them on a given day.

Claim history

19 claims · 19 properties

Release daterelease_date1

Claim history for Release date
Value	Valid from → to	Status	Source	Confidence	Extractor
28 Sept 2023	11 Sept 2026 21:10 UTC → current	current	OpenRouter public model & pricing listingT2	medium	deterministic

Statusstatus1

Claim history for Status
Value	Valid from → to	Status	Source	Confidence	Extractor
deprecated	11 Sept 2026 20:51 UTC → current	current	OpenAI Platform docsT1	high	deterministic

Context windowcontext_length1

Claim history for Context window
Value	Valid from → to	Status	Source	Confidence	Extractor
4.1K tokens	11 Sept 2026 21:10 UTC → current	current	OpenRouter public model & pricing listingT2	medium	deterministic

Max outputmax_output_tokens1

Claim history for Max output
Value	Valid from → to	Status	Source	Confidence	Extractor
3.69K tokens	11 Sept 2026 21:10 UTC → current	current	OpenRouter public model & pricing listingT2	medium	deterministic

Knowledge cutoffknowledge_cutoff1

Claim history for Knowledge cutoff
Value	Valid from → to	Status	Source	Confidence	Extractor
Sept 2021	11 Sept 2026 21:10 UTC → current	current	OpenRouter public model & pricing listingT2	medium	deterministic

Modalitiesmodalities1

Claim history for Modalities
Value	Valid from → to	Status	Source	Confidence	Extractor
text	11 Sept 2026 21:10 UTC → current	current	OpenRouter public model & pricing listingT2	medium	deterministic

Input modalitiesmodalities_input1

Claim history for Input modalities
Value	Valid from → to	Status	Source	Confidence	Extractor
text	11 Sept 2026 21:10 UTC → current	current	OpenRouter public model & pricing listingT2	medium	deterministic

Output modalitiesmodalities_output1

Claim history for Output modalities
Value	Valid from → to	Status	Source	Confidence	Extractor
text	11 Sept 2026 21:10 UTC → current	current	OpenRouter public model & pricing listingT2	medium	deterministic

Tokenizertokenizer1

Claim history for Tokenizer
Value	Valid from → to	Status	Source	Confidence	Extractor
GPT	11 Sept 2026 21:10 UTC → current	current	OpenRouter public model & pricing listingT2	medium	deterministic

API model idapi_model_id1

Claim history for API model id
Value	Valid from → to	Status	Source	Confidence	Extractor
gpt-3.5-turbo-instruct	11 Sept 2026 20:51 UTC → current	current	OpenAI Platform docsT1	high	deterministic

Deprecation datedeprecation_date1

Claim history for Deprecation date
Value	Valid from → to	Status	Source	Confidence	Extractor
26 Sept 2025	11 Sept 2026 20:51 UTC → current	current	OpenAI Platform docsT1	high	deterministic

Retirement dateretirement_date1

Claim history for Retirement date
Value	Valid from → to	Status	Source	Confidence	Extractor
28 Sept 2026	11 Sept 2026 20:51 UTC → current	current	OpenAI Platform docsT1	high	deterministic

Retirement tentativeretirement_tentative1

Claim history for Retirement tentative
Value	Valid from → to	Status	Source	Confidence	Extractor
No	11 Sept 2026 20:51 UTC → current	current	OpenAI Platform docsT1	high	deterministic

Descriptiondescription1

Claim history for Description
Value	Valid from → to	Status	Source	Confidence	Extractor
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.	11 Sept 2026 21:10 UTC → current	current	OpenRouter public model & pricing listingT2	medium	deterministic

Instruct typeinstruct_type1

Claim history for Instruct type
Value	Valid from → to	Status	Source	Confidence	Extractor
chatml	11 Sept 2026 21:10 UTC → current	current	OpenRouter public model & pricing listingT2	medium	deterministic

Openrouter idopenrouter_id1

Claim history for Openrouter id
Value	Valid from → to	Status	Source	Confidence	Extractor
openai/gpt-3.5-turbo-instruct	11 Sept 2026 21:10 UTC → current	current	OpenRouter public model & pricing listingT2	medium	deterministic

Structured outputstructured_output1

Claim history for Structured output
Value	Valid from → to	Status	Source	Confidence	Extractor
Yes	11 Sept 2026 21:10 UTC → current	current	OpenRouter public model & pricing listingT2	medium	deterministic

Supported parameterssupported_parameters1

Claim history for Supported parameters
Value	Valid from → to	Status	Source	Confidence	Extractor
frequency_penalty, logit_bias, logprobs, max_tokens, presence_penalty, response_format, seed, stop, structured_outputs, temperature, top_logprobs, top_p	11 Sept 2026 21:10 UTC → current	current	OpenRouter public model & pricing listingT2	medium	deterministic

Tool callingtool_calling1

Claim history for Tool calling
Value	Valid from → to	Status	Source	Confidence	Extractor
No	11 Sept 2026 21:10 UTC → current	current	OpenRouter public model & pricing listingT2	medium	deterministic

Claims are temporal and append-only: a new observation closes the previous claim (valid_to) instead of overwriting it. Conflicting claims from different sources are kept side by side and flagged — never averaged. Methodology →

11 Sept 2026
Listed by providerModelgpt-3.5-turbo-instructOpenAI
OpenAI API lists gpt-3.5-turbo-instruct at $1.5 in / $2 out per 1M tokens
openrouter
openrouter.ai
11 Sept 2026
New modelModelgpt-3.5-turbo-instructOpenAI
New model: gpt-3.5-turbo-instruct (OpenAI)
openai
developers.openai.com
11 Sept 2026
Listed by providerModelgpt-3.5-turbo-instructOpenAI
OpenAI API lists gpt-3.5-turbo-instruct at $1.5 in / $2 out per 1M tokens
openai
developers.openai.com

Full timeline →

Source documents
Source	Document	Type	Tier	Last observed	Snapshots
OpenAI Platform docs	developers.openai.com/api/docs/deprecations.md	model_docs	T1· Official	1 h ago	1
OpenAI Platform docs	developers.openai.com/api/docs/pricing.md	pricing	T1· Official	1 h ago	1
OpenRouter public model & pricing listing	openrouter.ai/api/v1/models	catalogue	T2· Quality secondary	1 h ago	1

Tier 1 = official/primary, 2 = quality secondary, 3 = community, 4 = unverified. Every snapshot is archived; see all sources and the methodology.