OpenAI finally released GPT-5, and I’ve been using it daily for the past two months. The marketing promises were big: “human-level reasoning,” “true understanding,” “revolutionary agents.”

The reality is more nuanced. GPT-5 is genuinely better than GPT-4 in measurable ways, but it’s not the AGI breakthrough some predicted. Here’s my honest assessment after extensive real-world testing.

Quick Verdict: ChatGPT 5 / GPT-5

Aspect	Rating
Overall Score	★★★★☆ (4.5/5)
Best For	Multimodal tasks, complex conversations, agentic workflows
Pricing	Plus $20/month / API $8/$24 per 1M tokens
Reasoning	Significantly improved
Multimodal	Excellent
Agent Capabilities	Much better than GPT-4
Speed	Faster than GPT-4 Turbo

Bottom line: GPT-5 is a meaningful upgrade, the best version of ChatGPT yet. Reasoning improvements are real, but it’s evolution, not revolution. Claude Opus 4.5 still wins on some tasks. The AI field remains competitive.

What’s Actually New in GPT-5

Improved Reasoning

The headline improvement. GPT-5 handles multi-step logical problems better than any previous GPT model.

What I’ve observed:

• Fewer logical contradictions in long responses
• Better at catching its own errors mid-response
• More reliable on math and logic puzzles
• Improved performance on “tricky” questions designed to trip up AI

Comparison test: Same 50 reasoning problems across models:

Model	Accuracy	Self-Correction Rate
GPT-4 Turbo	72%	15%
GPT-4o	75%	18%
GPT-5	86%	34%
Claude Opus 4.5	89%	38%

GPT-5 is substantially better than GPT-4. Claude Opus still edges ahead on pure reasoning, but the gap has narrowed considerably.

Native Multimodal

GPT-5 was trained natively on text, images, audio, and video together, not separate models stitched together.

Practical improvements:

• Smoother transitions between modalities
• Better understanding of images in context
• More natural voice conversations
• Video understanding (new capability)

Video understanding is the standout addition. You can upload short videos and ask questions about what happens in them, useful for analyzing tutorials, meetings, or product demos.

Enhanced Memory

GPT-5’s memory system actually works now. It remembers:

• Your preferences across conversations
• Facts you’ve shared about yourself
• Project context from previous sessions
• Writing style preferences

The difference: With GPT-4, I constantly re-explained context. With GPT-5, it genuinely builds on previous conversations.

Agent Mode Improvements

GPT-5’s ability to use tools and complete multi-step tasks is significantly better:

• More reliable at following complex action sequences
• Better at knowing when to use which tool
• Improved error handling and recovery
• Actually useful for browser-based research

Real example: Asked GPT-5 to research competitors, compile findings, and create a comparison table. GPT-4 would lose track partway through. GPT-5 completed the full workflow reliably.

Where GPT-5 Excels

1. Complex Conversations

GPT-5 tracks context better over long conversations:

Conversation Length	GPT-4 Context Retention	GPT-5 Context Retention
5 turns	95%	98%
15 turns	75%	92%
30 turns	50%	85%
50+ turns	30%	70%

For extended work sessions, this is transformative. I can have hour-long conversations without GPT-5 forgetting what we discussed.

2. Multimodal Workflows

Combining text, images, and now video in natural workflows:

Use cases that work well:

• Analyze a whiteboard photo and create action items
• Review a UI screenshot and suggest improvements
• Watch a demo video and write documentation
• Process a document scan and extract structured data

Switching between modalities doesn’t feel like switching tools.

3. Research and Analysis

With improved reasoning and better tool use, GPT-5 is genuinely useful for research:

• Searches the web more intelligently
• Synthesizes information from multiple sources
• Identifies conflicting information
• Cites sources more reliably

For initial research phases, GPT-5 is now competitive with specialized tools like Perplexity.

4. Creative Collaboration

GPT-5 maintains OpenAI’s edge in creative output:

• Brainstorming sessions feel more dynamic
• Better at building on ideas iteratively
• More variety in creative suggestions
• Improved at matching specific tones and styles

For creative work, GPT-5 remains my preference over Claude.

Where GPT-5 Falls Short

1. Coding (vs Claude)

GPT-5’s coding improved, but Claude still leads:

Task	GPT-5	Claude Opus 4.5
Bug detection	82%	91%
Code generation (works first try)	78%	86%
Architecture suggestions	Good	Excellent
Explaining complex code	Excellent	Excellent

For serious development work, I still use Claude. GPT-5 is fine for quick scripts and explanations.

2. Hallucinations (Still a Problem)

Despite improvements, GPT-5 still hallucinates. It’s better calibrated (expresses uncertainty more appropriately) but still invents plausible-sounding false information.

My observation: Hallucination rate dropped maybe 30% from GPT-4, but it’s not eliminated. Still verify important facts.

3. Overly Eager Agreement

GPT-5 sometimes agrees with incorrect user statements instead of pushing back. It’s more diplomatic than GPT-4, which isn’t always good. Sometimes you need the AI to say “actually, that’s wrong.”

4. Pricing Premium

GPT-5 costs more than GPT-4:

Model	Input (per 1M)	Output (per 1M)
GPT-4 Turbo	$10	$30
GPT-4o	$5	$15
GPT-5	$8	$24

It’s cheaper than GPT-4 Turbo but more expensive than GPT-4o. For the improvement, this pricing seems fair, but it’s not a discount.

GPT-5 vs Competition

vs Claude Opus 4.5

Factor	GPT-5	Claude Opus 4.5
Reasoning	Very Good	Excellent
Coding	Very Good	Excellent
Creative	Excellent	Very Good
Multimodal	Excellent	Good
Memory	Excellent	Limited
Agents	Excellent	Good
Price	$8/$24	$15/$75

Verdict: GPT-5 wins on multimodal, memory, and agents. Claude wins on reasoning and coding. For all-around use, GPT-5 is compelling. For quality-critical text work, Claude still edges ahead.

vs Gemini 2.0

Factor	GPT-5	Gemini 2.0
Reasoning	Very Good	Good
Context length	128K	2M
Multimodal	Excellent	Excellent
Google integration	None	Excellent
Video understanding	Good	Excellent
Price	$8/$24	$4/$12

Verdict: Gemini wins on price and context length. GPT-5 wins on reasoning and ecosystem. For Google-centric workflows, Gemini is better. Otherwise, GPT-5.

Practical Recommendations

Use GPT-5 For

• Multimodal work: Image analysis, video understanding, voice
• Long conversations: Better context retention than competitors
• Research assistance: Improved web search and synthesis
• Creative projects: Brainstorming, writing, ideation
• Agent workflows: Multi-step tasks with tool use

Use Alternatives For

• Serious coding: Claude still leads
• Deep reasoning: Claude Opus 4.5 for hardest problems
• Massive documents: Gemini’s 2M context window
• Budget-sensitive work: GPT-4o or cheaper models
• Privacy-critical work: Local models or Claude with appropriate settings

My Current Stack

Task	Primary Tool	Why
Daily assistant	GPT-5 (ChatGPT Plus)	Best all-around
Coding	Claude Opus 4.5	Highest accuracy
Long documents	Gemini 2.0	Context window
Creative writing	GPT-5	Most engaging output
Quick queries	GPT-4o	Cost-effective

Is ChatGPT Plus Still Worth $20/month?

With GPT-5 included, ChatGPT Plus is more valuable than ever:

What you get:

• Full GPT-5 access (with limits)
• Voice mode with GPT-5
• Image generation (DALL-E)
• Video understanding
• Enhanced memory
• Custom GPTs
• Agent capabilities

For $20/month, this is strong value if you use AI daily. No single competitor offers this combination of capabilities at this price point.

When to consider alternatives:

• If you mostly code → Claude Pro at $20/month
• If you process huge documents → Gemini Advanced at $20/month
• If you need API access → Direct API billing

The Bottom Line

GPT-5 is the best ChatGPT has ever been. The improvements to reasoning, multimodal, and agents are meaningful and noticeable in daily use.

But it’s not the paradigm shift some predicted. The AI field remains competitive. Claude beats GPT-5 on some tasks, Gemini on others. The right choice depends on your specific needs.

My recommendation: If you’re happy with ChatGPT Plus, GPT-5 makes it even better. If you’ve switched to Claude, GPT-5 doesn’t necessarily pull you back (Claude’s strengths remain). The best approach is still using multiple tools for their respective strengths.

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Frequently Asked Questions

Is GPT-5 a big upgrade from GPT-4?

Yes, but evolutionary rather than revolutionary. Reasoning is noticeably better, multimodal is smoother, and agents are more reliable. It’s not AGI or a fundamental breakthrough; it’s a solid next step.

Should I switch from Claude to GPT-5?

Depends on your use case. For coding and deep reasoning, Claude still wins. For multimodal work, agents, and creative tasks, GPT-5 is excellent. Many users benefit from having both.

How does GPT-5 pricing compare?

API pricing is $8/$24 per million tokens (input/output), cheaper than GPT-4 Turbo but more than GPT-4o. ChatGPT Plus remains $20/month with GPT-5 included.

Does GPT-5 still hallucinate?

Yes, though less than GPT-4. It’s better at expressing uncertainty, but still creates plausible-sounding false information. Verify important facts.

What’s the context window?

128K tokens, same as GPT-4 Turbo. For larger documents, Gemini’s 2M context is the better choice.

When will GPT-5 be available on the free tier?

Unknown. Historically, OpenAI moves older models to free tier as newer ones launch. Expect GPT-4o to become more widely available on free tier, with GPT-5 following eventually.

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Last updated: February 2026. Features and pricing verified against OpenAI documentation.