All comparisons

Claude Sonnet 4.6 vs Claude 3.5 Sonnet

Side-by-side comparison of specifications, capabilities, and pricing.

	Claude Sonnet 4.6	Claude 3.5 Sonnet Anthropic
Released	2026-02-17	2024-06-20
Context window	200K	200K
Parameters	—	70B
Architecture	decoder only	decoder only
License	Proprietary	Unknown
Knowledge cutoff	2025-12	2024-04
Capabilities
Multimodal
Function calling
Tool use
JSON mode
Availability
Providers	Anthropic Console	GCP Vertex AIAnthropic ConsoleAWS Bedrock

Benchmarks

HellaSwag—96.2HumanEval—92.0Massive Multitask Language Understanding—88.7