Function anthropicOpus47OrLater

packages/opencode/src/provider/transform.ts:600–608

(apiId: string)

}

function anthropicOpus47OrLater(apiId: string) {
  // Matches "opus-4.7" (Anthropic/Bedrock/Vertex) and "claude-4.7-opus" (SAP AI Core inverted).
  // Greedy \d+ correctly extends to multi-digit majors (e.g. "claude-10.0-opus") for forward compatibility.
  const version = /opus-(\d+)[.-](\d+)(?:[.@-]|$)|claude-(\d+)[.-](\d+)-opus(?:[.@-]|$)/i.exec(apiId)
  if (!version) return false
  const major = Number(version[1] ?? version[3])
  const minor = Number(version[2] ?? version[4])
  return major > 4 || (major === 4 && minor >= 7)
}

function anthropicSonnet5OrLater(apiId: string) {
  const version = /sonnet-(\d+)(?:[.@-]|$)|claude-(\d+)-sonnet(?:[.@-]|$)/i.exec(apiId)