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AI models · OpenAI

GPT-5: release date and what it's for

Released , according to OpenAI's announcement. Shuts down on 11 December 2026, along with GPT-5 Mini and nano. If you pinned to it a year ago, that's your deadline.

Status
Deprecated
Released
Lab
OpenAI
Input
$1.25per million tokens
Output
$10per million tokens
Context window
400Ktokens
Max output
128Ktokens

API model ID: gpt-5

What we've written about GPT-5

October 11, 2026

Microsoft builds Decision-1 on Alibaba's Qwen and plans to move it to OpenAI and MAI models

The model scores a fixed list of choices instead of writing answers, and Microsoft puts it 35 times quicker than GPT-6 Sol.

September 23, 2026

OpenAI model release dates: o3, GPT-5.5 and GPT-6 Astra, Sol and Luna in order

o3 is from April 2025, and the name Sol now means something different from what it meant in July.

How GPT-5 compares on price and context

Price per million tokens

inputoutput

  1. GPT-6 Astra$10 / $50
  2. Claude Fable 5.1$10 / $50
  3. GPT-5$1.25 / $10
  4. GPT-6 Sol$2 / $10
  5. Muse Spark 1.3$1.25 / $4.25
  6. Gemini 3.8 Flash$0.75 / $3.75
  7. GPT-6 Luna$0.10 / $0.50
Context window, in tokens

how much it reads at once

  1. GPT-6 Sol1.05M
  2. GPT-6 Luna1.05M
  3. GPT-6 Astra1.05M
  4. Muse Spark 1.31.05M
  5. Gemini 3.8 Flash1.05M
  6. Claude Fable 5.11M
  7. GPT-5400K

Next to the newest OpenAI models and the current model from other labs. Prices are in US dollars per million tokens.

What is GPT-5?

GPT-5 is a model from OpenAI, built in the US. The lab has put it on the retirement list. Move off it.

When did GPT-5 come out?

OpenAI released it on August 7, 2025. That date comes from OpenAI's announcement.

More from OpenAI

OpenAILive

GPT-6 Sol

in /1M
$2
out /1M
$10
context
1.05M
OpenAILive

GPT-6 Luna

in /1M
$0.10
out /1M
$0.50
context
1.05M
OpenAILive

GPT-6 Astra

in /1M
$10
out /1M
$50
context
1.05M
OpenAILive

GPT-5.6 Sol

in /1M
$4
out /1M
$20
context
1.05M
OpenAILive

GPT-5.6 Luna

in /1M
$0.20
out /1M
$1.20
context
1.05M
OpenAILive

GPT-5.5 Pro

in /1M
$30
out /1M
$180
context
1.05M
OpenAILive

GPT-5.5

in /1M
$5
out /1M
$30
context
1.05M
OpenAILive

GPT-5.4 nano

in /1M
$0.20
out /1M
$1.25
context
400K

More news: OpenAI news and ChatGPT updates

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