Claude Sonnet 5 vs GPT-5.6 Sol

< Large Language Models (LLM)

Comparing two large language models (llm) models: features, pricing, pros and cons.

Claude Sonnet 5GPT-5.6 Sol
ProviderAnthropicOpenAI
Pricing$70–350/mo$120–600/mo
Quality
9.4/10
9.7/10
Speed
8.5/10
8.2/10
Ease of use
8.2/10
8/10
Value
5/10
3/10
Context1000K1000K
TasksText Generation, Chatbots, Coding, Data Analysis, Translation, RAG / SearchText Generation, Chatbots, Coding, Data Analysis, Translation, RAG / Search
Pros
  • + Near-Opus quality
  • + 1M context
  • + Better price/quality
  • + Top agentic coding
  • + Strong reasoning
  • + GA status
Cons
  • Weaker than Opus on hardest refactors
  • Premium pricing
  • Cloud only

Claude Sonnet 5

Anthropic mid-tier: agentic coding close to Opus 4.8 at a lower price.

Learn more →

GPT-5.6 Sol

OpenAI flagship (GA since July 9, 2026): agentic coding leader, 88.8% on Terminal-Bench 2.1.

Learn more →