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ChatGPT Go vs Claude Free: Budget AI Tiers Compared (January 2026)

By Learnia Team

ChatGPT Go vs Claude Free: Budget AI Tiers Compared

This article is written in English. Our training modules are available in multiple languages.

AI doesn't have to be expensive. In January 2026, users have compelling budget options from both major providers: ChatGPT Go at €8/month and Claude's Free tier at €0/month. But which delivers more value for everyday use?

This comprehensive comparison examines features, limitations, performance, and the best use cases for each option to help you decide whether to pay €8 or nothing at all.

Table of Contents


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Overview: The Budget Landscape

ChatGPT Go (OpenAI)

Price: €8/month Launch: January 2026 Model Access: GPT-4o Position: Entry-level paid tier

ChatGPT Go targets users who want more than free ChatGPT but don't need the €23/month Plus tier. It's OpenAI's response to users asking for a middle option.

Claude Free (Anthropic)

Price: €0/month Available: Since 2024 Model Access: Claude Sonnet 4.5 Position: Freemium entry point

Claude's free tier provides access to their flagship Sonnet model with usage limits, no credit card required.

Full Pricing Context (January 2026)

TierOpenAIAnthropic
FreeLimited GPT-3.5/4oClaude Sonnet 4.5 (limited)
BudgetGo: €8/mo
StandardPlus: €23/moPro: $17-20/mo
PremiumPro: €229/moMax 5x: $100/mo
UltimateMax 20x: $200/mo

Feature Comparison

Model Access

FeatureChatGPT GoClaude Free
Primary ModelGPT-4oClaude Sonnet 4.5
Reasoning ModelLimited o1 accessNo extended thinking
Vision✅ Yes✅ Yes
File Analysis✅ Yes✅ Yes
Code Execution❌ Limited❌ No

Usage Limits

LimitChatGPT GoClaude Free
Daily MessagesHigher than free~20-30 messages
Context Window128K tokens200K tokens
File Uploads✅ Yes✅ Yes (limited)
Rate LimitingMinimalAggressive during peak

Special Features

FeatureChatGPT GoClaude Free
Deep Research❌ No❌ No
Video Generation (Sora)5 videos/monthN/A
Connectors/PluginsLimited❌ No
Memory/Context Persistence✅ YesLimited
Mobile App✅ Full✅ Full
API Access❌ No❌ No

Performance Analysis

Coding and Development

BenchmarkGPT-4o (Go)Sonnet 4.5 (Free)Winner
SWE-Bench69.1%80.9%Claude
HumanEval87.2%92.1%Claude
Code ExplanationExcellentExcellent+Claude

Verdict: Claude Free with Sonnet 4.5 edges ahead for coding tasks. The model is specifically strong at understanding complex codebases and generating correct implementations.

Writing and Communication

TaskGPT-4o (Go)Sonnet 4.5 (Free)Winner
Creative WritingExcellentExcellentTie
Professional EmailsVery GoodExcellentClaude
Nuanced ToneGoodExcellentClaude
Instruction FollowingExcellentExcellent+Claude

Verdict: Claude generally produces more nuanced, natural-sounding writing. ChatGPT Go is perfectly capable but slightly more formulaic.

General Knowledge

TaskGPT-4o (Go)Sonnet 4.5 (Free)Winner
MMLU Score91.3%89.7%ChatGPT
Current EventsBetter (more recent)GoodChatGPT
Factual AccuracyVery GoodExcellentClaude
Hallucination RateLowLowerClaude

Verdict: Mixed results. ChatGPT has slightly broader knowledge, but Claude is more careful about accuracy.

Practical Daily Use

ScenarioChatGPT GoClaude FreeWinner
Heavy daily use✅ Sustainable⚠️ May hit limitsChatGPT Go
Occasional useOverkill✅ PerfectClaude Free
Peak hour access✅ Reliable⚠️ May be limitedChatGPT Go
Weekend projects✅ Good✅ GoodTie

Use Case Recommendations

Choose ChatGPT Go (€8/month) When:

You need reliable, consistent access without usage limits ✅ GPT ecosystem integration matters (plugins, memory features) ✅ Video generation with Sora is useful (5 videos/month) ✅ You use AI daily for multiple hours ✅ Peak-time availability is important ✅ You're already in the OpenAI ecosystem

Choose Claude Free (€0/month) When:

Budget is your priority and €8/month matters ✅ Coding assistance is your primary use case ✅ You need nuanced, natural writingOccasional use (a few conversations per day) ✅ Longer documents benefit from 200K context window ✅ You prefer more cautious, accurate responses

Consider Upgrading When:

From ChatGPT Go to Plus (€23/month):

  • Need Deep Research mode
  • Want full Sora access (50 videos)
  • Require more connectors/plugins

From Claude Free to Pro ($17-20/month):

  • Hitting daily message limits
  • Need priority access
  • Want Claude Opus 4.5 for complex tasks

Head-to-Head: Same Prompt Comparison

Prompt: "Explain quantum entanglement to a 10-year-old"

ChatGPT Go Response Style:

Structured, clear, uses analogies like "magic walkie-talkies." Good educational tone, slightly longer.

Claude Free Response Style:

Conversational, warm, uses analogies like "twin ice cream scoops." More natural, shorter.

Verdict: Both excellent. ChatGPT is more thorough; Claude is more approachable.


Upgrade Paths

OpenAI Tiers

Free → Go (€8) → Plus (€23) → Pro (€229)
         ↑
    Best value for casual-to-moderate users

Anthropic Tiers

Free → Pro ($17-20) → Max 5x ($100) → Max 20x ($200)
  ↑
Best for occasional users with coding focus

Explore more AI pricing and comparisons:


Key Takeaways

  1. ChatGPT Go at €8/month offers reliable access and GPT ecosystem benefits

  2. Claude Free at €0/month provides excellent Sonnet 4.5 access with usage limits

  3. For coding, Claude Free wins with better SWE-Bench and HumanEval scores

  4. For heavy daily use, ChatGPT Go wins with no message limits

  5. Occasional users should start with Claude Free—why pay if limits don't affect you?

  6. Both are dramatically cheaper than full tiers—€8 vs €23 (OpenAI) or $0 vs $20 (Anthropic)

  7. Try both before committing—personal preference matters as much as benchmarks


Understand AI Value and Selection

Choosing between AI tiers requires understanding what you actually need. Many users pay for premium features they never use, while others struggle with free tier limitations.

In our Module 0 — AI Fundamentals, you'll learn:

  • How to evaluate AI capabilities for your needs
  • Understanding model differences and strengths
  • Making cost-effective AI choices
  • Getting maximum value from any tier
  • When to upgrade (and when not to)

Explore Module 0: AI Fundamentals


Last updated: January 2026. Prices reflect OpenAI and Anthropic pricing as of January 2026.

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