GPT-3.5 Turbo
openai The API that serves this model and sets the prices shown here. gpt-3.5-turbo The model identifier to send in API requests. LLM Generates text from a prompt, so it can be compared with other LLMs on price and capability. Medium The balanced tier of a model family, trading some capability for speed and cost. Retired Oct 23, 2026 This model has been retired and can no longer be relied on.Provider:
Knowledge cutoff: September 2021
Deprecated on 2026-04-22. Scheduled for shutdown October 23, 2026. Replacement: gpt-5.6-terra.
Sticker prices & cost-per-token
List rates as published by OpenAI, before any volume or enterprise discounts.
$0.50
$1.50
16,385 tokens
4,096
tokens per response (includes reasoning tokens)
Closed weights
$0.25 / $0.75
Get this data free
Want to stay updated on price changes on this model? Pull this data free (no API key required) here:
curl "https://coolhandlabs.com/api/v2/inference_apis?q%5Bmodel_eq%5D=gpt-3.5-turbo&q%5Bsource_api_eq%5D=openai"Pricing History
| Effective | Price |
|---|---|
| Sep 29, 2025 – present | Input cost: $0.50 / 1M, Output cost: $1.50 / 1M, Batch input cost: $0.25 / 1M, Batch output cost: $0.75 / 1M, Cached input cost: $0.00 / 1M, Cache creation cost: $0.00 / 1M, 5-minute cache write cost: $0.00 / 1M, 1-hour cache write cost: $0.00 / 1M, Reasoning output cost: $0.00 / 1M, Cache storage cost: $0.00 / 1M/hr |
History
Last change detected October 12, 2026 (14 days ago) by an automated scan.
No history recorded yet.
Source
No source URL recorded for this record yet.
Comparable models
No comparable models identified yet.
Reliability
No reliability incidents recorded in the last 90 days.
Frequently asked questions
GPT-3.5 Turbo (OpenAI) costs $0.50 per 1M input tokens and $1.50 per 1M output tokens, as last published by OpenAI.
GPT-3.5 Turbo has a context window of 16,385 tokens (the maximum combined input and output it can handle in a single request).
GPT-3.5 Turbo sits in the medium size tier. Size tiers run from micro (small enough to run on a device) through small, medium and large to extra large (frontier flagships), and are assigned from the model's family, naming and limits rather than its price.
GPT-3.5 Turbo can generate up to 4,096 tokens in a single response. Reasoning (thinking) tokens count toward this limit.
GPT-3.5 Turbo's training data runs through September 2021, so it may not know about later events. Coolhand records the cutoff at month precision, since providers often publish only the month.
GPT-3.5 Turbo accepts text as input and produces text as output, as recorded in the Coolhand catalog.
No — the weights of GPT-3.5 Turbo have not been released, so it is only available through hosted APIs.
Yes — deprecated GPT-3.5 Turbo on October 23, 2026. Deprecated on 2026-04-22. Scheduled for shutdown October 23, 2026. Replacement: gpt-5.6-terra.
retired GPT-3.5 Turbo on October 23, 2026.
Call GET https://coolhandlabs.com/api/v2/inference_apis?q[source_api_eq]=openai&q[model_eq]=gpt-3.5-turbo — free, no API key required, and scoped to just this model since source_api and model together are unique. See https://coolhandlabs.com/docs for the full REST API reference.
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