Skip to main content
Glama

claude-sonnet-4-6 vs glm-5.1

Pricing, Performance & Features Comparison

Authoranthropic
Context Length1M
Reasoning
Providers1
ReleasedFeb 2026
Knowledge CutoffAug 2025
License

Claude Sonnet 4.6 is Anthropic's best combination of speed and intelligence, delivering frontier performance across coding, agents, and professional work at scale. It features advanced capabilities including extended and adaptive thinking, supports a 1M token context window, and excels in reasoning, coding, multilingual tasks, long-context handling, and image processing with a training data cutoff of January 2026.

Input$3
Output$15
Latency (p50)2.6s
Output Limit128K
Function Calling
JSON Mode
InputText, Image
OutputText
in$3out$15
Latency (24h)
Success Rate (24h)
Authorzai
Context Length200K
Reasoning
Providers1
ReleasedApr 2026
Knowledge Cutoff
LicenseMIT License

Post-training upgrade to GLM-5. Mixture-of-Experts model with 744B total parameters and 40B activated per token. Trained on Huawei Ascend 910B chips with enhanced RL for agentic capabilities.

Input$1.4
Output$4.4
Latency (p50)5.8s
Output Limit131K
Function Calling
JSON Mode
InputText
OutputText
in$1.4out$4.4cache$0.26write$1.4
Latency (24h)
Success Rate (24h)