Pokémon Deluxe Character Guide Book Reaches Record Low Price on Amazon Xbox Rolls Out Disc-to-Digital Conversion Feature for Xbox Series X and Xbox One Magnitude Launches YC S25 Self-Optimizing Local Inference Engine for AI Agents Gizmodo Pan-Reviews GoPro Mission 1 Pro ILS as Unfavorable Alternative to standard Mission 1 Pro Google Announces Gemini 4 Argon AI Model, But Access Remains Unavailable Modern Warfare 4 Adds Counter-Strike-Inspired Competitive Mode 'Collateral' Best The Witcher 3: Remastered Graphics Settings for No Lag and Steady FPS iOS 27 Shortcuts App Adds Over 35 New Actions and Updated Building Interface OpenAI Unveils Always-On 'Dots' Agents in 20+ DevDay 2026 Teasers Ace Combat 8: Wings of Theve Earns Critical Praise, Reaching New Franchise Heights Pokémon Deluxe Character Guide Book Reaches Record Low Price on Amazon Xbox Rolls Out Disc-to-Digital Conversion Feature for Xbox Series X and Xbox One Magnitude Launches YC S25 Self-Optimizing Local Inference Engine for AI Agents Gizmodo Pan-Reviews GoPro Mission 1 Pro ILS as Unfavorable Alternative to standard Mission 1 Pro Google Announces Gemini 4 Argon AI Model, But Access Remains Unavailable Modern Warfare 4 Adds Counter-Strike-Inspired Competitive Mode 'Collateral' Best The Witcher 3: Remastered Graphics Settings for No Lag and Steady FPS iOS 27 Shortcuts App Adds Over 35 New Actions and Updated Building Interface OpenAI Unveils Always-On 'Dots' Agents in 20+ DevDay 2026 Teasers Ace Combat 8: Wings of Theve Earns Critical Praise, Reaching New Franchise Heights

OpenAI · 2026

o4

9.3Reasoning

CompanyOpenAI

Release2026

TypeReasoning

Context window256K tokens

Input typesText, Image

Output typesText

ReasoningBest-in-class

CodingExcellent

MultimodalPartial

API availableYes

PricingIn ChatGPT / API

Overview

o4 is a reasoning model from OpenAI, released in 2026. It accepts text, image as input and produces text. With a context window of 256K tokens, it is well suited to hard reasoning, math and complex coding.

Capabilities

On reasoning, o4 is rated best-in-class, while its coding ability is excellent. Multimodal support: Partial. These characteristics make it a strong fit for hard reasoning, math and complex coding. As with any frontier system, real-world performance depends heavily on how you prompt and integrate it.

Availability & Pricing

o4 is accessible via an API. Pricing model: In ChatGPT / API. Availability and pricing for AI models change frequently; confirm the latest details from OpenAI before building on it.

Best Use Cases

The sweet spot for o4 is hard reasoning, math and complex coding. Teams choosing a model should weigh context length, cost, latency and modality against their workload — o4 is a particularly good match when those priorities align with its strengths.

Other Models

Claude Opus 4.5

Anthropic

500K tokensFrontier

GPT-5.2

OpenAI

400K tokensFrontier multimodal

Gemini 3 Pro

Google DeepMind

2M tokensFrontier multimodal

Claude Sonnet 4.5

Anthropic

500K tokensBalanced

FLUX.1

Black Forest Labs

Gemini 3 Flash

Google DeepMind

1M tokensFast multimodal

Partner with KLYROO

Advertise with KLYROO

Reach a high-intent audience actively researching AI tools, models, hardware and games. Premium, clearly-labelled placements built to fit KLYROO's editorial experience.

Start your campaign