OpenAI
Codex 5.3
Elite-tier code & reasoning intelligence
Best for
- Senior engineers tackling complex systems
- Technical founders prototyping products
Model Selection Hub
AI Models Hub — Compare Models by Tier and Provider
This page is the bridge between model-comparison SEO and product use. It explains which tier to reach for, what each model does best, and sends users into the chat surface with intent preserved.
Elite: highest-stakes coding, reasoning, and document work.
Premium: broad business use with better speed-to-quality balance.
Standard, economy, and budget: cheaper iteration, routing, and volume work.
Model tier
Elite
2 models
Anthropic
Claude Opus 4.6
Anthropic's most powerful reasoning model
Best for
- Legal and compliance document analysis
- Research reports and white papers
Model tier
Premium
4 models
OpenAI
GPT-5.2
OpenAI's premium general-purpose powerhouse
Best for
- Content creation at scale
- Customer-facing copywriting
OpenAI
GPT-5.1 Codex Max
Maximum code capacity in the GPT-5 family
Best for
- Full-stack development workflows
- Code documentation and explanation
Anthropic
Claude Sonnet 4.6
Anthropic's fastest premium model — updated
Best for
- Business writing and email drafting
- Product documentation and SOPs
Anthropic
Claude Sonnet 4.5
Reliable, fast Claude for everyday tasks
Best for
- Content teams with high-volume needs
- Customer service and FAQ automation
Model tier
Standard
4 models
Google DeepMind
Gemini 3 Flash
Google's blazing-fast standard-tier model
Best for
- Real-time chatbot applications
- Content moderation and classification
Moonshot AI
Kimi K2 Thinking
Deep reasoning from Moonshot AI
Best for
- Math and science tutoring workflows
- Logical analysis and argument evaluation
Moonshot AI
Kimi K2.5
Balanced performance from Moonshot AI
Best for
- General chat and assistant tasks
- Multilingual content workflows
OpenAI
GPT-4o Audio
Native audio input & output for voice AI
Best for
- Voice assistants and voice chatbots
- Meeting transcription and summarization
Model tier
Economy
5 models
xAI
Grok 4.1 Fast
xAI's latest fast model at economy pricing
Best for
- News and current events summarization
- High-volume content generation pipelines
xAI
Grok 4 Fast
xAI Grok at speed, economy-tier cost
Best for
- Internal Q&A systems
- Content drafting at medium volume
xAI
Grok Code Fast
xAI's code-specialized economy model
Best for
- Startup dev teams on a budget
- Code documentation automation
Zhipu AI
GLM 4.7
Strong bilingual AI from Zhipu AI
Best for
- Chinese-English bilingual content workflows
- Asia-Pacific market content creation
OpenAI
GPT-OSS 120B
OpenAI's open-weight 120B model
Best for
- Teams wanting OpenAI quality at lower cost
- General-purpose production deployments
Model tier
Budget / Free
9 models
Alibaba Cloud
Qwen3 Coder
Alibaba's free-tier code model
Best for
- Developers watching AI spend closely
- Learning and experimenting with code AI
NVIDIA
Nemotron 3 Nano
NVIDIA's ultra-efficient nano model
Best for
- Text classification and routing
- Keyword and entity extraction
SYSTALOG
Chimera
Custom blended model for SYSTALOG users
Best for
- Platform-native task automation
- Everyday writing and summarization
Zhipu AI
GLM 4.5 Air
Lightweight Zhipu AI for fast, free tasks
Best for
- Quick Q&A and lookup tasks
- Short-form content at zero cost
Zhipu AI
GLM 4.7 Flash
GLM 4.7 speed-optimized variant
Best for
- Real-time classification pipelines
- Rapid prototyping of AI features
Cognitive Computations
Dolphin
Open-source uncensored reasoning model
Best for
- Creative writing without restrictions
- Roleplay scenario generation
Liquid AI
LFM Thinking
Liquid AI's reasoning-focused budget model
Best for
- Budget reasoning and problem-solving tasks
- AI researchers exploring novel architectures
Liquid AI
LFM Instruct
Liquid AI's instruction-tuned budget model
Best for
- Standard chat and assistant tasks at zero cost
- Quick content drafting
Allen Institute for AI
Molmo 2
Open-weight multimodal model from AI2
Best for
- Image description and accessibility text
- Visual content analysis workflows
Head-to-head comparison
Start with the flagship coding vs reasoning decision.
The highest-intent comparison query in this cluster should not send people back to the homepage. It should answer the question directly and then route them into the correct tab.
Open Codex vs Claude OpusAfter signup
Users now land in chat instead of wandering.
Model pages now send visitors through auth with a destination attached, so the post-login route matches the search intent that got them here.