Model upgrade broke Spring AI tool calls — one-property switch to Responses API fixes it
therealdanvega · x · 2026-11-03
Dan Vega's Spring AI tool calls broke after a model upgrade: GPT-6 Astra errors on the Chat Completions API. The fix: switch to the Responses API by changing a single property — no Java code changes needed. He recorded the error and the fix in a video, a practical pitfall reference for Java+AI stacks.
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