
Claude Opus 5.2 Release Date: Rumor vs What Anthropic Says
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.
Technical insights, tutorials, and updates from the EvoLink team. Learn how to optimize your AI costs and build better applications.

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.

Gemini 4 has no API or published contract; Claude Fable 5.1 is documented and callable. How agent teams should baseline cache and recovery cost, then decide.

Both list at $10/$50 and both are callable on EvoLink. Cache reads cost 4x more on GPT-6 Astra; agent controls and benchmark evidence differ. Run a matched 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.

Claude Fable 5.1 launched on September 1, 2026. This release update explains the confirmed model changes, compatibility risks, and next steps for EvoLink users.

Compare Fable 5 and Fable 5.1 pricing, cache-read cost, model behavior, and three breaking changes to decide which workloads should upgrade.

A production expectations framework using documented Claude Opus 5 behavior and real workflow questions to define the goals for a future Opus successor.

Claude Opus 5 is officially released. See what changed, where it is available, and how to read Anthropic's launch claims.

A dated Claude API pricing reference with an April model-table snapshot and a verified July 2026 Fable 5 update.

A production upgrade guide for teams comparing Claude Opus 4.8 with Claude Opus 4.7 across migration compatibility, coding agents, Fast Mode, cost, and fallback design.

A production-focused Claude Fable 5 API guide for teams using EvoLink to test access, compare routes, control cost, and ship a measured rollout.

A production-focused comparison of Claude Fable 5 and Claude Opus 4.8 for teams deciding whether to upgrade, route, or keep Opus as the default Claude model.

A skyscraper-style Claude Opus 4.8 review focused on production routing, migration checks, cost scope, and what EvoLink users should verify before switching.

A review of Claude Opus 4.7 focused on documented strengths, pricing, migration risks, and where it fits best in production.

A practical April 16, 2026 comparison of Claude Opus 4.7 and Claude Opus 4.6 using Anthropic's official announcement, pricing page, and migration guide.

A fact-checked March 29, 2026 guide to using Claude Opus 4.6 in OpenClaw for long-context work.

Five cost levers OpenClaw users can verify today: model routing, prompt caching, batch API, long-context control, and provider price-card comparison.