The Quick Verdict

ChatGPT (GPT-5)
4/10

Down from 8/10 in 2024

Gemini (Opus 4.5)
8/10

Steadily improving

In 2026, Gemini is the better AI assistant for most users. Here's why.

Category Comparison

Reliability / Uptime

ChatGPT

46 outages in 90 days. Major holiday outage lasted 4+ days. Frequent "elevated error rates." See all ChatGPT alternatives.

LOSES
VS
Gemini

Rare outages. Significantly more reliable uptime. Usually available when ChatGPT is down.

WINS

Instruction Following

ChatGPT

Frequently ignores instructions. Adds unwanted content. "Helps" in ways you didn't ask for.

LOSES
VS
Gemini

Better at following complex instructions. Respects formatting requests. More predictable behavior.

WINS

Coding Ability

ChatGPT

GPT-5 produces buggier code than GPT-4. Suggests deprecated methods. Loses context in long sessions.

LOSES
VS
Gemini

Excellent coding capabilities. Better at understanding complex codebases. Artifacts feature for code.

WINS

Context Window

ChatGPT

128K tokens, but effectively "forgets" earlier context. Memory feature is unreliable.

LOSES
VS
Gemini

200K tokens with better actual retention. Can process entire books. More coherent long conversations.

WINS

Hallucinations

ChatGPT

Makes up facts confidently. Fabricates citations. Invents statistics. Getting worse with GPT-5. Compare with our Claude comparison.

LOSES
VS
Gemini

Still halluccinates, but more likely to express uncertainty. Better at saying "I don't know."

WINS

Writing Quality

ChatGPT

Increasingly formulaic responses. "Lazy" outputs with "etc." Generic, predictable writing style.

LOSES
VS
Gemini

More nuanced, thoughtful writing. Better at matching requested tone. Less robotic.

WINS

Image Generation

ChatGPT

Built-in DALL-E 3 integration. Can generate and edit images. Multimodal capabilities.

WINS
VS
Gemini

No image generation. Can analyze images but cannot create them.

LOSES

Price

ChatGPT

Free tier limited. Plus: $20/month. Team: $25/user. Enterprise: custom pricing.

TIE
VS
Gemini

Free tier available. Pro: $20/month. Team: $30/user. Both comparable pricing.

TIE

Safety Refusals

ChatGPT

Excessive refusals for benign requests. "Safety theater" frustrates users. Over-filtered.

LOSES
VS
Gemini

Can also be cautious but generally more reasonable. Better at understanding context.

WINS

When to Use ChatGPT

  • Image generation - DALL-E integration is still useful
  • Voice conversations - ChatGPT's voice mode is more developed
  • GPTs/Custom bots - If you've built custom GPTs
  • Already invested - If your workflow depends on ChatGPT features

When to Use Gemini

  • Coding projects - Better code quality and understanding
  • Long documents - 200K context handles entire books
  • Writing tasks - More nuanced, less robotic output
  • Reliability matters - When you need it to work
  • Complex instructions - Better at following detailed requirements
  • Analysis tasks - More thoughtful, thorough responses

The Verdict

Gemini wins 7 out of 9 categories.

Unless you specifically need image generation or voice features, Gemini is the better choice in 2026. ChatGPT's quality has declined while Gemini has steadily improved.

The Recommendation

For most users in 2026: Use Gemini as your primary AI assistant and keep a ChatGPT account as backup for image generation.

If you're paying for ChatGPT Plus and not using image generation regularly, consider switching to Gemini Pro. You'll get better reliability, better coding, better writing, and a better context window for the same $20/month.

See our complete ChatGPT Alternatives Guide for more options.

Related: Alternatives