When did Claude Opus 5.5 become available on Exabase AI?

Anthropic released Claude Opus 5.5 on September 22 (US time), and Exa Enterprise AI has begun offering it on Exabase AI.

What is new in Claude Opus 5.5 compared with the previous model?

Coding, document creation, and analysis performance improved over Claude Opus 5, and the writing style is described as more natural and easier to understand.

Does Claude Opus 5.5 have safety measures for sensitive areas?

For biology and cybersecurity, Exa Enterprise AI says the model applies safety measures at the same level as a higher-tier model.

Large Language ModelsTop Companies' AI MovesAI Business & IndustryTop Companies AI11h agoSep 30, 2026, 06:31 JST

Exabase AI adds Claude Opus 5.5 at lower cost

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3 Key Points

What happened
Exa Enterprise AI began offering Claude Opus 5.5, released by Anthropic on September 22 (US time), on its Exabase AI service, improving coding and document and analysis work over Claude Opus 5.
Why it matters
The new model brings performance comparable to a higher-tier model at a lower cost, which may let business users get stronger output without paying top-tier prices.
What to watch
The claim of comparable performance hinges on Anthropic's own evaluation rather than an independent benchmark, so its real-world edge is still to be tested.

WHO IT HITSEnterprise teams using Exabase AI for coding, document creation, and analysis may get stronger output at a lower cost, though the practical gain depends on how the model performs on their own tasks.

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Context & Analysis

Exa Enterprise AI, a group company of Exa Wizards, is positioning Claude Opus 5.5 as a way for enterprise users to get more capable output without moving to a top-tier price point. The model builds on Claude Opus 5 with better coding, document creation, and analysis, and it is described as having strengths in long-running autonomous agent tasks. The company also notes that the model went through evaluations by external organizations such as METR and Frontier Design, and received its highest rating yet in Anthropic's behavior audit. For readers weighing which model to use, the key question is whether those gains hold up on their own workflows rather than only in vendor-run checks. If the cost advantage proves real in practice, it could make sense for teams that want stronger performance but are not ready to pay for a higher-tier model.

FAQ

When did Claude Opus 5.5 become available on Exabase AI?: Anthropic released Claude Opus 5.5 on September 22 (US time), and Exa Enterprise AI has begun offering it on Exabase AI.
What is new in Claude Opus 5.5 compared with the previous model?: Coding, document creation, and analysis performance improved over Claude Opus 5, and the writing style is described as more natural and easier to understand.
Does Claude Opus 5.5 have safety measures for sensitive areas?: For biology and cybersecurity, Exa Enterprise AI says the model applies safety measures at the same level as a higher-tier model.

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