GPT-3.5 Turbo 16k
GPT-3.5 Turbo 16k is OpenAI's language model with a 16K context window and up to 4K output tokens, available from 3 providers, starting at $3.00 / 1M input and $4.00 / 1M output. An extended-context variant of GPT-3.5 Turbo supporting approximately 16,000 tokens, enabling longer document processing in a single request.
OpenAI's language model with a 16K context window and up to 4K output tokens, available from 3 providers, starting at $3.00 / 1M input and $4.00 / 1M output. An extended-context variant of GPT-3.5 Turbo supporting approximately 16,000 tokens, enabling longer document processing in a single request.Capabilities
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Pricing by Provider
| Provider | Standard | |
|---|---|---|
| Input $ / 1M | Output $ / 1M | |
 Azure AI Foundry | $3.00 | $4.00 |
OpenAI | $3.00 | $4.00 |
 OpenRouter | $3.00 | $4.00 |
Regional pricing
Provider-specific pricing that varies by region.
Azure AI Foundry
20 regions
| Region | Standard | |
|---|---|---|
| Input $ / 1M | Output $ / 1M | |
| Global | ||
| Global | $3.00 | $4.00 |
| Asia Pacific | ||
| Australia East (New South Wales)/ australiaeast | $3.00 | $2.00 |
| Japan East (Tokyo, Saitama)/ japaneast | $1.50 | $4.00 |
| South India (Chennai)/ southindia | $0.550 | $2.20 |
| Canada | ||
| Canada East (Quebec)/ canadaeast | $3.00 | $1.81 |
| Europe | ||
| France Central (Paris)/ francecentral | $1.21 | $2.00 |
| Poland Central (Warsaw)/ polandcentral | $3.00 | $4.00 |
| Sweden Central (Gävle)/ swedencentral | $1.21 | $2.00 |
| Switzerland North (Zurich)/ switzerlandnorth | $1.50 | $1.81 |
| UK South (London)/ uksouth | $1.21 | $4.00 |
| West Europe (Netherlands)/ westeurope | $0.660 | $4.00 |
| South America | ||
| Brazil South (Sao Paulo State)/ brazilsouth | $3.00 | $4.00 |
| US | ||
| East US (Virginia)/ eastus | $3.00 | $4.00 |
| East US 2 (Virginia)/ eastus2 | $3.00 | $2.00 |
| North Central US (Illinois)/ northcentralus | $3.00 | $2.00 |
| South Central US (Texas)/ southcentralus | $0.550 | $4.00 |
| US Gov Arizona/ usgovarizona | $0.625 | $2.50 |
| US Gov Virginia/ usgovvirginia | $0.625 | $2.50 |
| West US (California)/ westus | $0.550 | $2.20 |
| West US 3 (Phoenix)/ westus3 | $0.550 | $1.65 |
Cost Calculator
Preset:
Compares every provider & tier in USD
Versions
| Version | Released | Context | Input / 1M | Output / 1M | Status |
|---|---|---|---|---|---|
| GPT-5.4 Mini | 1.1M | $0.750 | $4.50 | Available | |
| GPT-5.4 Nano | 1.1M | $0.200 | $1.25 | Available | |
| GPT-5.4 | 1.1M | $2.50 | $15.00 | Available | |
| GPT-5.4 Pro | 1.1M | $30.00 | $180.00 | Available | |
| GPT-5.4 3.5 | — | 1.1M | — | — | Available |
| GPT-5.4 Pro 3.5 | — | 1.1M | — | — | Available |
| GPT-5.3 Chat | 128K | $1.75 | $14.00 | Available | |
| GPT-5.3 Codex | 400K | $1.75 | $14.00 | Available | |
| GPT-5.3 Codex Spark | — | 128K | — | — | Available |
| GPT-5.3 Instant | — | 128K | — | — | Available |
| GPT-3.5 Turbo 16k | 16K | $3.00 | $4.00 | Current |