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Articles tagged #claude sonnet 5.5

A gateway and illuminated signal core represent the Claude Sonnet 5.5 release and access verification.
Release Watch

Claude Sonnet 5.5 Release Date: September 28, 2026

Confirmed Sonnet 5.5 release facts, developer implications, and the next steps for evaluating an upgrade through EvoLink.

EvoLink Team
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6 min
Two illuminated computing modules represent alternative Sonnet 5.5 and Opus 5.5 routes for workload evaluation.
Comparison

Claude Sonnet 5.5 vs Opus 5.5: Which Model Fits Your Tasks?

Choose between Sonnet 5.5 and Opus 5.5 with a workload matrix, cache-cost caveats, a bounded escalation policy, and a repeatable evaluation method.

Jacey
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10 min
Parallel illuminated data bridges and a gated test route illustrate a reversible Sonnet 5 to Sonnet 5.5 upgrade.
Comparison

Claude Sonnet 5.5 vs Sonnet 5: Is the Upgrade Worth It?

Compare Sonnet 5.5 with Sonnet 5: confirmed changes, compatibility checks, task-level cost measurement, and a rollout plan with rollback.

Jessie
•
10 min
#claude sonnet 5.5 | EvoLink.AI Blog | EvoLink