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ChatGPT

Most popular

by OpenAI

4.6
Benchmark RatingLaunched 2022Free · $20/mo Plus

ChatGPT is the most widely used AI assistant, handling writing, coding, analysis and image generation through a single chat interface. GPT-4o brings realtime voice, vision and a built-in code interpreter to every conversation — strong all-rounder, though rivals now lead on context length and writing quality.

GPT-4oVoiceVisionCode interpreter
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Pricing Tiers

Click a tier to see full details

Free — $0

Subscribe

GPT-4o mini, limited messages

Plan: FreePrice: $0Tool: ChatGPT

Capabilities & Specs

Best for
General chat & tasks
Context window
1.0M
Image generation
Voice mode
Code execution
Web browsing
Offline / open weights
Public API
Starting price
Free · $20/mo

Technical Benchmarks

Raw scores from public leaderboards (LMArena, OpenAI, Anthropic). Higher is better.

MMLU88.7%

Language Understanding

HumanEval90.2%

Code Generation

SWE-bench33.2%

Software Engineering

GSM8K95.8%

Math Reasoning

GPQA53.6%

Graduate QA

IFEval85.6%

Instruction Following

LMArena ELO1287

Chatbot Arena

Pros

  • Excellent all-rounder across tasks
  • Realtime voice & vision
  • Massive plugin + GPT ecosystem

Cons

  • Context caps on free tier
  • Usage limits on Plus

Available Models

ModelContextPriceNote
GPT-5.6256K$20/moLatest flagship (Aug 2026)
GPT-5256K$20/moFrontier multimodal
GPT-4o128KFree · $20/moPrevious flagship
GPT-4o mini128KFreeFast + cheap default
o3200K$20/moDeep reasoning model
o3-mini200KFree · $20/moAffordable reasoning
GPT-4.11M$20/moLong-context coding

Tasks ChatGPT Covers

WritingAgentsCoding