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Agent comparison

Claude vs DeepSeek

Compare Claude and DeepSeek through a fixed task set that separates output acceptance, critical risk, review effort, and deployment constraints.

Use case: Teams shortlisting assistants for analysis, coding-adjacent, and structured work

Use case

Claude vs DeepSeek

Use one fixed, representative test set for teams shortlisting assistants for analysis, coding-adjacent, and structured work. Choose only after human review of accepted outputs, critical failures, and operating constraints.

Benchmark evidence

Sample outputs and scoring notes

Editorially reviewed decision framework. The metric table uses the dated AAA.win preview batch; model versions are not pinned and runs have not passed the reviewed-results publication gate, so it is not a product ranking.

MetricClaude MainDeepSeek Main
Overall8780
Pass rate97%70%
Critical rate12%7%
Format pass100%100%
Win rate55%5%

Claude Main

Strong writing and safety boundaries, especially in support tasks.

87
too_verboseoverly_humbleunsafe_refund_promise

DeepSeek Main

Best value profile for structured extraction and classification.

80
weak_ctamissing_fieldhallucinated_issue
Version · v4.3.5-indexnow-proof-origin

Latest releases

IndexNow proof-origin protocol fix

Production Bing validation exposed HTTP 500 at the external root proof because TLS termination was followed by an internal rewrite using the wrong protocol. This release corrects that rewrite boundary, but remains unverified until the external proof returns HTTP 200, the automatic submission runs, a later canary returns HTTP 200, and the idempotent rerun passes.

IndexNow root-proof request compatibility

After v4.3.3, the exact root-level {key}.txt proof returned HTTP 200, but a full request carrying keyLocation still returned HTTP 403; a minimal homepage request with the same production key and no keyLocation returned HTTP 202. This release omits that field, while the automatic full run and idempotent rerun remain deployment checks.

IndexNow key-proof compatibility

Changed IndexNow verification to the official root-level {key}.txt convention after the first production notification returned HTTP 403; revalidation remains pending, while the website, sitemaps, and Bing sitemap processing are unaffected.

View all releases