AI Model Comparisons

70 head-to-head matchups, migration guides, and "best AI for X" leaderboards, covering GPT-5.6, Claude, Gemini, DeepSeek, Grok, and every other model in the current catalog.

Head-to-head

Current models compared on price, context window, and capability.

Head-to-Head

Claude Fable 5 vs GPT-5.6 Sol

Price, context, and capability compared.

Head-to-Head

DeepSeek V4 Pro vs GPT-5.6 Sol

Price, context, and capability compared.

Head-to-Head

GPT-5.6 Sol vs Grok 4.3

Price, context, and capability compared.

Head-to-Head

Claude Opus 4.8 vs Grok 4.3

Price, context, and capability compared.

Head-to-Head

Claude Opus 4.8 vs Gemini 3.1 Pro

Price, context, and capability compared.

Head-to-Head

Gemini 3.1 Pro vs Grok 4.3

Price, context, and capability compared.

Head-to-Head

Claude Opus 4.8 vs GPT-5.6 Terra

Price, context, and capability compared.

Head-to-Head

GPT-5.6 Terra vs Grok 4.3

Price, context, and capability compared.

Head-to-Head

Gemini 3.1 Pro vs GPT-5.6 Terra

Price, context, and capability compared.

Head-to-Head

DeepSeek V4 Pro vs GPT-5.6 Luna

Price, context, and capability compared.

Head-to-Head

Claude Opus 4.8 vs Grok-4.20 Reasoning

Price, context, and capability compared.

Head-to-Head

Claude Opus 4.8 vs Gemini 3.6 Flash

Price, context, and capability compared.

Head-to-Head

Claude Opus 4.8 vs Mistral Large 3

Price, context, and capability compared.

Head-to-Head

Claude Opus 4.8 vs GLM-5.2

Price, context, and capability compared.

Head-to-Head

Claude Opus 4.8 vs Qwen 3.8 Max

Price, context, and capability compared.

Head-to-Head

Claude Sonnet 4.6 vs Grok 4.3

Price, context, and capability compared.

Head-to-Head

Claude Sonnet 4.6 vs Gemini 3.1 Pro

Price, context, and capability compared.

Head-to-Head

Claude Haiku 4.5 vs Grok 4.3

Price, context, and capability compared.

Head-to-Head

Claude Haiku 4.5 vs Gemini 3.1 Pro

Price, context, and capability compared.

Head-to-Head

Gemini 3.1 Pro vs Grok-4.20 Reasoning

Price, context, and capability compared.

Head-to-Head

Gemini 3.6 Flash vs Grok 4.3

Price, context, and capability compared.

Head-to-Head

Grok 4.3 vs Mistral Large 3

Price, context, and capability compared.

Head-to-Head

GLM-5.2 vs Grok 4.3

Price, context, and capability compared.

Head-to-Head

Grok 4.3 vs Qwen 3.8 Max

Price, context, and capability compared.

Head-to-Head

Gemini 3.1 Pro vs Mistral Large 3

Price, context, and capability compared.

Head-to-Head

Gemini 3.1 Pro vs GLM-5.2

Price, context, and capability compared.

Head-to-Head

Gemini 3.1 Pro vs Qwen 3.8 Max

Price, context, and capability compared.

Head-to-Head

DeepSeek V4 Pro vs GPT-OSS 120B

Price, context, and capability compared.

Head-to-Head

Claude Sonnet 4.6 vs GPT-5.6 Terra

Price, context, and capability compared.

Head-to-Head

Claude Haiku 4.5 vs GPT-5.6 Terra

Price, context, and capability compared.

Head-to-Head

GPT-5.6 Terra vs Grok-4.20 Reasoning

Price, context, and capability compared.

Head-to-Head

Gemini 3.6 Flash vs GPT-5.6 Terra

Price, context, and capability compared.

Head-to-Head

GPT-5.6 Terra vs Mistral Large 3

Price, context, and capability compared.

Head-to-Head

GLM-5.2 vs GPT-5.6 Terra

Price, context, and capability compared.

Head-to-Head

GPT-5.6 Terra vs Qwen 3.8 Max

Price, context, and capability compared.

Head-to-Head

GPT-5.6 Luna vs GPT-OSS 120B

Price, context, and capability compared.

Head-to-Head

DeepSeek V4 Flash vs GPT-5.6 Luna

Price, context, and capability compared.

Head-to-Head

Claude Sonnet 4.6 vs Grok-4.20 Reasoning

Price, context, and capability compared.

Head-to-Head

Claude Sonnet 4.6 vs Gemini 3.6 Flash

Price, context, and capability compared.

Head-to-Head

Claude Sonnet 4.6 vs Mistral Large 3

Price, context, and capability compared.

Head-to-Head

Claude Sonnet 4.6 vs GLM-5.2

Price, context, and capability compared.

Head-to-Head

Claude Sonnet 4.6 vs Qwen 3.8 Max

Price, context, and capability compared.

Head-to-Head

Claude Haiku 4.5 vs Grok-4.20 Reasoning

Price, context, and capability compared.

Head-to-Head

Claude Haiku 4.5 vs Gemini 3.6 Flash

Price, context, and capability compared.

Migration guides

Still on an older model? See how it stacks up against its current successor.

Migration Guide

GPT-4o vs GPT-5.6 Sol

Should you upgrade? Compare price and capability.

Migration Guide

Claude Opus 4 vs Claude Opus 4.8

Should you upgrade? Compare price and capability.

Migration Guide

Grok-3 vs Grok 4.3

Should you upgrade? Compare price and capability.

Migration Guide

GPT-4o Mini vs GPT-5.6 Luna

Should you upgrade? Compare price and capability.

Migration Guide

GPT-4 Turbo vs GPT-5.6 Terra

Should you upgrade? Compare price and capability.

Migration Guide

Claude Sonnet 4 vs Claude Sonnet 4.6

Should you upgrade? Compare price and capability.

Migration Guide

Claude Sonnet 4.5 vs Claude Sonnet 4.6

Should you upgrade? Compare price and capability.

Migration Guide

Gemini 2.5 Flash vs Gemini 3.6 Flash

Should you upgrade? Compare price and capability.

Migration Guide

GPT-OSS 120B vs Llama 3.3 70B

Should you upgrade? Compare price and capability.

Migration Guide

GLM-5.1 vs GLM-5.2

Should you upgrade? Compare price and capability.

Best AI for X

Editorial leaderboards for specific use cases.

Best AI For

Fastest AI Models 2026 — Inference Speed Leaderboard

Looking for the fastest LLM? Compare inference speed across GPT-OSS, DeepSeek, Gemini Flash, and Cerebras/Groq-hosted models side-by-side.

Best AI For

Cheapest AI APIs 2026 — API Cost Comparison & ROI

Compare API pricing for major LLMs. Discover the most cost-effective AI models for your business, coding, and writing workflows.

Best AI For

Best AI for Coding in 2026 — Leaderboard & Benchmarks

Which AI model writes the best code? Compare Claude Opus 4.8, GPT-5.6 Sol, and DeepSeek V4 Pro for coding, debugging, and software architecture.

Best AI For

Best AI for Math in 2026 — Reasoning & Problem-Solving Leaderboard

Which AI model solves math problems best? Compare reasoning models on algebra, calculus, proofs, and competition-level math.

Best AI For

Best AI for Python in 2026 — Coding Assistant Leaderboard

Which AI model writes the best Python code? Compare Claude, GPT-4o, and DeepSeek on scripting, debugging, and library usage.

Provider ladders

Compare tiers within the same provider's lineup.

Provider Ladder

Claude Fable 5 vs Claude Opus 4.8

Which tier is worth the upgrade?

Provider Ladder

GPT-5.6 Sol vs GPT-5.6 Terra

Which tier is worth the upgrade?

Provider Ladder

Claude Opus 4.8 vs Claude Sonnet 4.6

Which tier is worth the upgrade?

Provider Ladder

DeepSeek V4 Flash vs DeepSeek V4 Pro

Which tier is worth the upgrade?

Provider Ladder

Gemini 3.1 Pro vs Gemini 3.6 Flash

Which tier is worth the upgrade?

Provider Ladder

Grok-4.20 Reasoning vs Grok 4.3

Which tier is worth the upgrade?

Classic matchups

Our original head-to-head comparisons, kept for the search volume they hold.

Head-to-Head

GPT-4o vs Claude Sonnet — The Ultimate Head-to-Head Comparison

Compare GPT-4o and Claude Sonnet side-by-side. Discover differences in speed, reasoning, coding, writing, and pricing to choose the best model.

Head-to-Head

Gemini 2.5 vs ChatGPT (GPT-4o) — Battle of the Titans

Gemini 2.5 vs ChatGPT (GPT-4o). Compare speed, multimodal accuracy, search capabilities, and ecosystem features side-by-side.

Head-to-Head

DeepSeek V3 vs GPT-4o — Open Weight Challenger vs Market Leader

DeepSeek V3 vs GPT-4o compared on reasoning, coding, pricing, and context window. Find out if the open-weight challenger beats OpenAI's flagship.

Head-to-Head

Claude 3.5 Sonnet vs Gemini 1.5 Pro — Reasoning vs Context Length

Claude 3.5 Sonnet vs Gemini 1.5 Pro compared on coding, reasoning, context window, and pricing to help you pick the right model.

Head-to-Head

Grok 2 vs GPT-4o — xAI's Challenger Takes on the Market Leader

Grok 2 vs GPT-4o compared on reasoning, real-time knowledge, coding, and pricing. See which model fits your workflow best.

Compare them yourself side by side

Don't take our word for it. Try all models at the same time in one unified playground workspace.

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