Technical insights, tutorials, and updates from the EvoLink team. Learn how to optimize your AI costs and build better applications.
Claude Opus 5.5 was released on September 22, 2026. This release update covers the confirmed model facts, the price cut against Opus 5, the four breaking changes for existing integrations, and the next steps for EvoLink users.
An upgrade decision guide for teams running Claude Opus 5: what Anthropic changed in Opus 5.5, how to compare cost on the same basis, which requests break, and how to move traffic with a rollback path.
No Claude Opus 5.2 release date exists: as of Sept 18, 2026, Anthropic lists no such model, ID, or price. The routing rumor, the Foundry slug, next steps.
A point-release migration guide for teams already running Claude Opus 5: separate community routing reports from documented facts, and prepare the evaluation and rollback path before any Opus 5.2 route exists.
A dated Claude Opus 6 release watch separating official records from naming speculation and showing what developers can prepare without inventing an API product.
A production expectations framework using documented Claude Opus 5 behavior and real workflow questions to define the goals for a future Opus successor.
A developer decision guide for Grok 4.7 versus Claude Opus 5: Artificial Analysis benchmark results, confirmed specifications and rates, where the cost gap is real and where it is not, which workloads favour which model, and how to run a fair evaluation.
Compare 1.05M vs 1M context, $10/$50 vs $5/$25 list pricing, tooling, and when to route GPT-6 Astra or keep Claude Opus 5 as a fallback.
A practical framework for deciding whether GLM 5.5 can become a Claude Opus 5 replacement, a workload-level competitor, or a complementary model.
Decide whether to default to Claude Opus 5, escalate to Claude Fable 5, or combine both by workload evidence and cost per accepted task.
Claude Opus 5 is officially released. See what changed, where it is available, and how to read Anthropic's launch claims.
Compare Claude Opus 5 and GPT-5.6 for coding agents, then route each workload by measured quality, reliability, and cost.
A developer guide to making a first Claude Opus 5 Messages API call, managing thinking and effort, migrating from Opus 4.8, handling production failures, and routing Claude models by workload.
Opus 5 keeps the same base price as 4.8, but changes important runtime behavior. See whether the upgrade is worth the migration risk.
