LLM Reference

GPT-5 Models by OpenAI

OpenAIProprietary
10 models2025Up to 400k ctxFrom $0.05/1M input

Details

ResearcherOpenAI
LicenseProprietary
Commercial useCommercial use: conditional
Models10
Released2025
Max context400k

Capabilities

VisionAll models
MultimodalAll models
Reasoning5 of 10 models
Function Calling9 of 10 models
Tool Use9 of 10 models
Structured Outputs7 of 10 models
Code Execution7 of 10 models

Links

Website

About

OpenAI's GPT-5 family (August 2025). Includes gpt-5, gpt-5-mini, and gpt-5-nano. Succeeded by GPT-5.1 and later generations.

Current Variants

Use-when guidance is based on each model's tracked capabilities, context window, release date, and replacement status.

8 in view2 retired
GPT-5 ProCurrent

Use when the workload needs 400k context, tool use, and function calling.

2025-10400k contexttool usefunction calling
GPT-5 ChatCurrent

Use when the workload needs 128k context, tool use, and function calling.

2025-10128k contexttool usefunction calling

Use when the workload needs code, 400k context, and tool use.

2025-10code400k contexttool use

Use when the workload needs 400k context, tool use, and function calling.

2025-10400k contexttool usefunction calling

Use when the workload needs 400k context and multimodal inputs.

2025-10400k contextmultimodal inputs
GPT-5Current

Use when the workload needs 400k context, reasoning, and tool use.

2025-08400k contextreasoningtool use
GPT-5 MiniCurrent

Use when the workload needs 400k context, reasoning, and tool use.

2025-08400k contextreasoningtool use
GPT-5 NanoCurrent

Use when the workload needs 400k context, reasoning, and tool use.

2025-08400k contextreasoningtool use

Release Timeline

3 release groups
2025-12
2 retired
GPT-5.2
400k contextreasoningtool use
Archived
GPT-5.2 Codex
codereasoningtool use
Archived
2025-10
5 current
GPT-5 Chat
128k contexttool usefunction calling
Current
GPT-5 Codex
code400k contexttool use
Current
GPT-5 Image
400k contexttool usefunction calling
Current
GPT-5 Image Mini
400k contextmultimodal inputs
Current
GPT-5 Pro
400k contexttool usefunction calling
Current
2025-08
3 current
GPT-5
400k contextreasoningtool use
Current
GPT-5 Mini
400k contextreasoningtool use
Current
GPT-5 Nano
400k contextreasoningtool use
Current

Specifications(10 models)

GPT-5 model specifications comparison
ModelReleasedContextVisionMultimodalReasoningFn CallingTool UseStructured OutputsCode Exec
GPT-5 Pro2025-10400kYesYesNoYesYesYesYes
GPT-5 Chat2025-10128kYesYesNoYesYesYesNo
GPT-5 Codex2025-10400kYesYesNoYesYesYesYes
GPT-5 Image2025-10400kYesYesNoYesYesNoNo
GPT-5 Image Mini2025-10400kYesYesNoNoNoNoNo
GPT-52025-08400kYesYesYesYesYesYesYes
GPT-5 Mini2025-08400kYesYesYesYesYesYesYes
GPT-5 Nano2025-08400kYesYesYesYesYesYesYes

Pricing

GPT-5 model pricing by provider
ModelProviderInput / 1MOutput / 1MType
GPT-5 NanoReplicate API$0.05$0.4Serverless
GPT-5 NanoOpenRouter$0.05$0.4Serverless
GPT-5 NanoOpenAI API$0.05$0.4Serverless
GPT-5 NanoVercel AI Gateway$0.05$0.4Serverless
GPT-5 MiniReplicate API$0.25$2Serverless
GPT-5 MiniOpenRouter$0.25$2Serverless
GPT-5 MiniOpenAI API$0.25$2Serverless
GPT-5 MiniVercel AI Gateway$0.25$2Serverless
GPT-5Replicate API$1.25$10Serverless
GPT-5OpenRouter$1.25$10Serverless
GPT-5OpenAI API$1.25$10Serverless
GPT-5Vercel AI Gateway$1.25$10Serverless
GPT-5 ChatVercel AI Gateway$1.25$10Serverless
GPT-5 CodexVercel AI Gateway$1.25$10Serverless
GPT-5 ProVercel AI Gateway$15$120Serverless

Frequently Asked Questions

What is GPT-5 used for?
GPT-5 is used for code, vision and multimodal work, and reasoning. The family description and listed model capabilities point to those workloads as the best fit.
How does GPT-5 compare to GPT Realtime 2?
GPT-5 by OpenAI is strongest where you need code, while GPT Realtime 2 by OpenAI is the closest related family to check for realtime voice. GPT-5 has 10 listed variants and reaches up to 400k context, while GPT Realtime 2 reaches up to 131k context, so compare the specs and pricing tables before choosing a production model.
Which GPT-5 model should I use?
For the lowest listed input price, start with GPT-5 Nano through OpenAI API at $0.05/1M input tokens. For the most capable/latest local choice, evaluate GPT-5 with 400k context and reasoning, tool use, function calling, structured outputs, and multimodal inputs.