ChatGPT vs Phi-3
- ✦ AI text generation
- ✦ Code assistance
- ✦ Image generation
- ✦ Edge deployment
- ✦ On-device inference
- ✦ Open-source (MIT)
ChatGPT and Phi-3 are both Large Language Models tools. Compare features, pricing, and ratings below to find the best fit for your team.
When to Choose ChatGPT vs Phi-3
The question that matters: “In what situation will I regret choosing A over B after 3 months?”
Data analysis processes raw CSV exports into reports with charts and commentary, cutting manual quarterly assembly from 8 hours to under an hour.
Code assistance turns feature descriptions into test scripts, with Web browsing checking API docs in real time - multiplying test case output fivefold per sprint.
Phi-3 Mini quantized to 4-bit runs inference on mobile devices without internet connectivity. Autocomplete and summaries generate 40% faster than API-dependent alternatives.
Fine-tune on proprietary codebases and naming patterns. A fintech backend team cut code review cycles 35% after training on 5,000 examples of internal Go microservices.
Multi-language capability processes user manuals and chatbot queries directly on embedded hardware. No external API calls eliminates bandwidth costs and network latency.
Quantization compresses from 7B to 2B effective size for resource-constrained hardware. A healthcare provider deployed to 200 clinical workstations with only a 2GB footprint each.
Pricing Comparison & PlansHigh· Verified May 30, 2026
ChatGPT Plans
Free tier available
Free
FreeBest for: You get GPT-3.5, Limited GPT-4o, Basic features
- ✓Access to GPT-5.3 Instant
- ✓Limited message caps
- ✓Slower response times during peak hours
- ✓Limited access to advanced features
- ✓Ads in the US
Go
$8/mo- ✓Ad-supported GPT-5.2 Instant access
- ✓Access to GPT-5
Plus
$20/moBest for: GPT-4o, DALL-E 3, Advanced data analysis, Plugins
- ✓Access to GPT-5.5
- ✓Deep Research
- ✓Sora
- ✓Codex
- ✓Agent Mode
Business
$25/user/mo- ✓Unlimited GPT-5 messages
- ✓Connectors
- ✓Admin controls
- ✓Privacy by default (chats not used for training)
- ✓Shared workspaces
Pro Codex
$100/mo- ✓Near-unlimited GPT-5 and GPT-5 Thinking access
- ✓Significantly elevated Codex limits
- ✓Full access to GPT-5.5 Pro
- ✓Highest Codex CLI and Codex Cloud limits outside of Business
- ✓No throttling during long coding sessions
Pro Max
$200/mo- ✓Maximum quotas
- ✓GPT-5 Pro
- ✓Unlimited audio/video mode
- ✓Extended access to ChatGPT Agent & Sora 1
- ✓Unlimited access to all models
Enterprise
Contact Sales- ✓Data residency
- ✓Enterprise security
- ✓Custom retention policies
- ✓24/7 priority support
Phi-3 Plans
Free tier available
Phi-3-mini-4k-instruct
Contact SalesBest for: This model requires a custom pricing agreement
- ✓Input: $0.00013 per 1,000 tokens
- ✓Output: $0.00052 per 1,000 tokens
- ✓Context length: 4K tokens
- ✓Pay-As-You-Go offering via Serverless APIs
Phi-3-mini-128k-instruct
Contact SalesBest for: This model requires a custom pricing agreement
- ✓Input: $0.00013 per 1,000 tokens
- ✓Output: $0.00052 per 1,000 tokens
- ✓Context length: 128K tokens
- ✓Pay-As-You-Go offering via Serverless APIs
Phi-3.5-mini-instruct
Contact SalesBest for: This model requires a custom pricing agreement
- ✓Input: $0.00013 per 1,000 tokens
- ✓Output: $0.00052 per 1,000 tokens
- ✓Context length: 128K tokens
- ✓Pay-As-You-Go offering via Serverless APIs
Phi-3-small-8k-instruct
Contact SalesBest for: This model requires a custom pricing agreement
- ✓Input: $0.00015 per 1,000 tokens
- ✓Output: $0.0006 per 1,000 tokens
- ✓Context length: 8K tokens
- ✓Pay-As-You-Go offering via Serverless APIs
Phi-3-small-128k-instruct
Contact SalesBest for: This model requires a custom pricing agreement
- ✓Input: $0.00015 per 1,000 tokens
- ✓Output: $0.0006 per 1,000 tokens
- ✓Context length: 128K tokens
- ✓Pay-As-You-Go offering via Serverless APIs
Phi-3-medium-4k-instruct
Contact SalesBest for: This model requires a custom pricing agreement
- ✓Input: $0.00017 per 1,000 tokens
- ✓Output: $0.00068 per 1,000 tokens
- ✓Context length: 4K tokens
- ✓Pay-As-You-Go offering via Serverless APIs
Phi-3-medium-128k-instruct
Contact SalesBest for: This model requires a custom pricing agreement
- ✓Input: $0.00017 per 1,000 tokens
- ✓Output: $0.00068 per 1,000 tokens
- ✓Context length: 128K tokens
- ✓Pay-As-You-Go offering via Serverless APIs
Open-source. Free to self-host, API pricing via Azure.
Capability Breakdown
17 differences found across 34 standardized features
- •AI text generation
- •Code assistance
- •Image generation
- •Data analysis
- •Plugins/GPTs
- •API access
- •Voice mode
- •Web browsing
- •Conversational Flow Control
- •Personalized Learning Paths
- •Advanced Sentiment Mapping
- •Multi Language Support
- •Intelligent Summarization Tools
- •Customizable Tone Options
- •Contextual Understanding Engine
- •Edge deployment
- •On-device inference
- •Open-source (MIT)
- •128K context
- •Code generation
- •Multi-language
- •Fine-tuning
- •Quantization
- •GGUF support
- •Azure integration
- •Local deployment
- •Low memory footprint
- •Fast inference
- •ONNX support
- •Function calling
- •JSON mode
- •System prompts
- •HuggingFace integration
- •Commercial use
- •No GPU required for small variants
- •REST API
- •Streaming API
- •SDK (Python, JS)
- •Batch Processing
Strengths & Limitations
Evaluative strengths and weaknesses: not feature lists
- +Access to OpenAI's latest models like GPT-4o for superior reasoning
- +Massive ecosystem of third-party integrations and custom GPTs
- +Advanced multimodal inputs: voice, images, and file uploads
- +Generous free tier provides powerful, accessible AI for everyone
- +Simple, intuitive interface suitable for non-technical users
- −Knowledge cutoff means it lacks real-time event or news awareness
- −Prone to factual inaccuracies or 'hallucinations' on complex topics
- −Free version experiences capacity issues and slower responses during peak times
- −Data privacy concerns for business use without an Enterprise plan
- −Limited context window can cause loss of detail in long conversations
- +Runs efficiently on-device, enabling offline AI on phones and IoT
- +MIT license allows for commercial use with minimal restrictions
- +Outperforms larger models on key benchmarks (MMLU, GSM8K)
- +Quantized versions run on CPU, removing expensive GPU requirements
- +Optimized for instruction-following with a high-quality training dataset
- −Limited factual knowledge base compared to models trained on trillions of tokens
- −Struggles with complex, multi-step reasoning and niche topics
- −Not designed for extensive, open-ended conversational chat like larger models
- −Smaller context window (4K/128K) than some frontier models
- −Performance highly dependent on quantization and device hardware
At a Glance
Recent Price History
Phi-3 removed the "Azure AI Serverless API" plan
Plan removed · May 30, 2026
Phi-3 removed the "Open Source (Self-Hosted)" plan
Plan removed · May 30, 2026
Phi-3 added a new "Phi-3-medium-128k-instruct" plan (Custom pricing)
Plan added · May 30, 2026
Phi-3 added a new "Phi-3-medium-4k-instruct" plan (Custom pricing)
Plan added · May 30, 2026
Phi-3 added a new "Phi-3-small-128k-instruct" plan (Custom pricing)
Plan added · May 30, 2026
ChatGPT removed the "Team" plan
Plan removed · May 29, 2026
ChatGPT added a new "Pro Max" plan at $200/mo
Plan added · May 29, 2026
ChatGPT added a new "Pro Codex" plan at $100/mo
Plan added · May 29, 2026
ChatGPT added a new "Business" plan at $25/user/mo
Plan added · May 29, 2026
ChatGPT added a new "Go" plan at $8/mo
Plan added · May 29, 2026
Frequently Asked Questions
Related Comparisons
Sources & Data Trail · ChatGPT
- 1.Official Pricing Page·Source of verified tiers(Checked: 2026-05-29)
- 2.Official Website·Official vendor website
- 3.G2·G2 verified reviews · 4.7/5 · 2,268 reviews
- 4.Capterra·Capterra verified reviews · 4.6/5
- 5.TrustRadius·TrustRadius verified reviews
Sources & Data Trail · Phi-3
- 1.Official Pricing Page·Source of verified tiers(Checked: 2026-05-30)
- 2.Official Website·Official vendor website
- 3.G2·G2 verified reviews · 4/5
- 4.Capterra·Capterra verified reviews · 4/5