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OpenAI · current

GPT-3.5 Turbo 16k

GPT-3.5 Turbo 16k is attributed to OpenAI in the catalog. It accepts text and pdf input and produces text output. Reported capabilities include tool calling and structured output.

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Report an errorModel and price history

Modalities

Hosted provider token rates

$3 / $4

USD per 1M input / output tokens · OpenRouter

Context

16K

Released

2023-08-28

Knowledge cutoff

Unknown

No recent lab-operated provider rate is available. Showing the third-party host with the lowest input rate + ¼ output rate. This is one offering, not an average; other providers, modalities, tiers, and fees may differ.

Where to use it

2 observed offerings · token prices in USD per million where available

Estimate your workload cost
Kilo Gateway

openai/gpt-3.5-turbo-16k

current

Input

$3

Output

$4

Cache

—

Context

16K

Max output

4K
Reasoning
No
Tool calling
Yes
Structured output
Yes
Temperature
Yes

Recent price

OpenRouter

openai/gpt-3.5-turbo-16k

current

Input

$3

Output

$4

Cache

—

Context

16K

Max output

4K
Reasoning
No
Tool calling
Yes
Structured output
Yes
Temperature
Yes

Recent price

Limits and capabilities reflect each provider’s listed offering. Unknown means support was not reported.

Capabilities and limits

Input
text, pdf
Output
text
Max output
4K
Weights
Closed (source-reported)
Release
2023-08-28
Knowledge cutoff
Unknown
Family
gpt

Tool calling · Structured output

Provider-specific limits and support can differ.

Plan a model evaluation

Evaluate quality and latency on examples from your intended use before choosing a model.

Explore available evidence

Models to compare

Candidates match reported specifications; they are not tested replacements.

GPT-4oOpenAI · 128K contextCompare →GPT-AudioOpenAI · 128K contextCompare →GPT-5 Search APIOpenAI · 272K contextCompare →

Model and price history

Price history (80 observations)
DateProviderInput / output
2026-11-02Kilo Gateway$3 / $4
2026-11-02OpenRouter$3 / $4
2026-11-01Kilo Gateway$3 / $4
2026-11-01OpenRouter$3 / $4
2026-10-31Kilo Gateway$3 / $4
2026-10-31OpenRouter$3 / $4
2026-10-30OpenRouter$3 / $4
2026-10-30Kilo Gateway$3 / $4
2026-10-29Kilo Gateway$3 / $4
2026-10-29OpenRouter$3 / $4
2026-10-28OpenRouter$3 / $4
2026-10-28Kilo Gateway$3 / $4
2026-10-27Kilo Gateway$3 / $4
2026-10-27OpenRouter$3 / $4
2026-10-27Kilo Gateway$3 / $4
2026-10-27OpenRouter$3 / $4
2026-10-27OpenRouter$3 / $4
2026-10-27Kilo Gateway$3 / $4
2026-10-27OpenRouter$3 / $4
2026-10-27Kilo Gateway$3 / $4
2026-10-26OpenRouter$3 / $4
2026-10-26Kilo Gateway$3 / $4
2026-10-25OpenRouter$3 / $4
2026-10-25Kilo Gateway$3 / $4
2026-10-24Kilo Gateway$3 / $4
2026-10-24OpenRouter$3 / $4
2026-10-24OpenRouter$3 / $4
2026-10-24Kilo Gateway$3 / $4
2026-10-24Kilo Gateway$3 / $4
2026-10-24OpenRouter$3 / $4
2026-10-23Kilo Gateway$3 / $4
2026-10-23OpenRouter$3 / $4
2026-10-23Kilo Gateway$3 / $4
2026-10-23OpenRouter$3 / $4
2026-10-23OpenRouter$3 / $4
2026-10-23Kilo Gateway$3 / $4
2026-10-23OpenRouter$3 / $4
2026-10-23Kilo Gateway$3 / $4
2026-10-23OpenRouter$3 / $4
2026-10-23Kilo Gateway$3 / $4
2026-10-22OpenRouter$3 / $4
2026-10-22Kilo Gateway$3 / $4
2026-10-21Kilo Gateway$3 / $4
2026-10-21OpenRouter$3 / $4
2026-10-20Kilo Gateway$3 / $4
2026-10-20OpenRouter$3 / $4
2026-10-19OpenRouter$3 / $4
2026-10-19Kilo Gateway$3 / $4
2026-10-18Kilo Gateway$3 / $4
2026-10-18OpenRouter$3 / $4
2026-10-17OpenRouter$3 / $4
2026-10-17Kilo Gateway$3 / $4
2026-10-12Kilo Gateway$3 / $4
2026-10-12OpenRouter$3 / $4
2026-10-12Kilo Gateway$3 / $4
2026-10-12OpenRouter$3 / $4
2026-10-11OpenRouter$3 / $4
2026-10-11Kilo Gateway$3 / $4
2026-10-10Kilo Gateway$3 / $4
2026-10-10OpenRouter$3 / $4
2026-10-09Kilo Gateway$3 / $4
2026-10-09OpenRouter$3 / $4
2026-10-09OpenRouter$3 / $4
2026-10-09Kilo Gateway$3 / $4
2026-10-08OpenRouter$3 / $4
2026-10-08Kilo Gateway$3 / $4
2026-10-07OpenRouter$3 / $4
2026-10-07Kilo Gateway$3 / $4
2026-09-22OpenRouter$3 / $4
2026-09-22Kilo Gateway$3 / $4
2026-09-21Kilo Gateway$3 / $4
2026-09-21OpenRouter$3 / $4
2026-09-20OpenRouter$3 / $4
2026-09-20Kilo Gateway$3 / $4
2026-09-19OpenRouter$3 / $4
2026-09-19Kilo Gateway$3 / $4
2026-09-18Kilo Gateway$3 / $4
2026-09-18OpenRouter$3 / $4
2026-09-17OpenRouter$3 / $4
2026-09-17Kilo Gateway$3 / $4