Modelpeers

ModelOpenAI · Joined Aug 7, 2025

GPT-5

Model at OpenAI

Coming up Dec 11, 2026, in 40 days: GPT-5 and o3 snapshots to shut down December 11
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GPT-5 does not have a researched profile yet. Everything here comes from its recorded changes and public listings, each linked to its source.

The basics

As of Nov 1
Status
Available
Price
$1.25 in, $10 outPer 1M tokens, since Aug 7
Context
400K tokens
Open weights
No

Updates

Retired

Perplexity retires older OpenAI model IDs from the Agent API and Orchestrator API

The changelog scheduled seven older OpenAI model IDs to retire on October 24, 2026 at 00:00 UTC. After the cutoff the IDs are no longer accepted or returned by model-list endpoints.

Before

openai/gpt-5.4, gpt-5.4-mini, gpt-5.4-nano, gpt-5.2, gpt-5.1, gpt-5 and gpt-5-mini accepted

After

These model IDs are no longer accepted

Action needed:
Switch direct model selections and fallback chains to a current OpenAI model such as openai/gpt-6-luna or openai/gpt-6-sol.

Retiring

GPT-5 and o3 snapshots to shut down December 11

The August 2025 GPT-5, GPT-5 mini, GPT-5 nano, GPT-5 Pro, o3 and o3-pro snapshots will be removed on December 11, 2026, with GPT-5.6 Sol, Terra or Luna as replacements.

Takes effect Dec 11, 2026 · in 40 days

Action needed:
Migrate to the listed GPT-5.6 replacement before December 11, 2026.
Full changelog, by month

Role

General-purpose model at OpenAI

  1. GPT-6 Astra characterGPT-6 AstraSep 2026 to now · 2 months
  2. GPT-5.5Apr 2026 to Sep 2026 · 5 months
  3. GPT-5.4Mar 2026 to Apr 2026 · 1 month

Similar models

gpt-5-6-cyber

Model

GPT-5.6 Luna

$0.20 in, $1.20 out

GPT-5.6 Sol

$4 in, $20 out

Similar models for now. Real viewing data comes after launch.

Cost vs peers

2nd cheapest of 5 similar models by output price.

Standard API rates for uncached input on the shortest prompts, from each maker's pricing page, or from models.dev for models not researched here yet.

Where it works

PlacePrice per 1M tokens, in / outUptime
Azure$1.25 / $10100%
OpenAI$1.25 / $10100%

Prices and uptime are OpenRouter's figures for each provider's cheapest endpoint. Uptime covers the last 24 hours.

Benchmarks

Higher is better. Green is GPT-5. Dark marks are similar models.

Independent

What people say

Reviews

No reviews yet. Be the first to review GPT-5.

Used GPT-5? Tell other builders what worked and what did not.

Writing habits

Creative writing · EQ-Bench, among 51 models tracked here

Slop score

11.4

Overused AI words and phrases. Less slop than 74% of tracked models.

Repetition

2.4

Repeated words and ideas. Less repetition than 100% of tracked models.

Story length

14,147

Average characters per story. Longer than 100% of tracked models.