Saturday, January 10, 2026Model UpdateHigh Impact
ClaudeVersion Sonnet 4
Anthropic Releases Claude Sonnet 4 — Fast and Affordable
Anthropic released Claude Sonnet 4, a mid-tier model offering 90% of Opus 4.6 performance at 1/5 the cost. It targets high-volume API use cases with an optimal balance of speed, quality, and price.
Key Highlights
1
90% of Opus 4.6 quality at 20% of the cost
2
$3/M input tokens, $15/M output tokens
3
2x faster response time than Opus
4
200K context window
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