openai/openai-go v3.98.0 on GitHub

3.98.0 (2026-11-09)

agents: Configure session prompt-cache TTL (30m or 12h) and inspect the selected TTL on sessions and turns.
agents: Support asynchronous function tools.
agents: Configure event-stream obfuscation and expose padding on 33 event types. For existing session streams, use option.WithQuery("include_obfuscation", "false") to disable it.
agents: Recognize the max_output_tokens turn error code.
responses: Configure image context compression for create, compact, and WebSocket requests; report the effective policy in responses.
responses: Add gpt-6-rosalind to beta Responses model constants.
images: Support SVG image edits with author-model and reasoning-effort options.
realtime: Configure input noise-reduction strength for Realtime, transcription, and translation sessions.
admin: Support organization external keys backed by Oracle Cloud Infrastructure Vault.

request unions: Return pointers to stored optional values, so mutations affect the serialized request, including explicit zero values. Omitted and null values still return nil.

Clarify image-edit markup compatibility, image token-usage descriptions, and supported image formats for content-provenance checks.