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Claude Sonnet 5 vs LongCat-2.0

Compare usage, cost, limits, and features for these two models.

Comparison Table. Compare usage, cost, limits, and features.

Claude Sonnet 5 compared with LongCat-2.0
MetricClaude Sonnet 5LongCat-2.0
Recent RankLower is better.No usageNo usage
Token ShareShare of recent OpenCode usage.No usageNo usage
TokensRecent token volume.No usageNo usage
SessionsRecent session count.No usageNo usage
Cost / 1M TokensLower is better.No usageNo usage
Cost / SessionLower is better.No usageNo usage
Cache RatioHigher is better.No usageNo usage
Context WindowHigher limit is better.1M1M
Output LimitHigher limit is better.128K131K
Release DateNewer release is highlighted.Jun 30, 2026Jun 30, 2026
ReasoningSupports reasoning.YesYes
Tool CallingSupports tool calls.YesYes
AttachmentsSupports attachments.YesNo
Open WeightsOpen weights available.NoNo

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