Claude 4 Sonnet
Anthropic's latest — best-in-class coding, reasoning, and safety
Verdict
The coding and reasoning champion. Extended thinking mode tackles PhD-level problems. MCP tool ecosystem is mature. Best for agentic workflows, code generation, and long-context analysis.
Other Text Generation & Reasoning
- Claude 3.5 SonnetProduction
Anthropic's proven workhorse with 200K context and computer use
- Command R+Stable
Cohere's enterprise model optimised for RAG and tool use
- DeepSeek R1Production
Open-weight chain-of-thought reasoning rivalling GPT-o1
- DeepSeek V3Production
685B MoE model trained for $5.5M — remarkable efficiency
- GLM-5Experimental
Zhipu AI's 754B frontier model from China's leading AI lab
- GPT-3.5 TurboSuperseded
OpenAI's original cost-efficient chat model — now superseded