Python SDKAPI ReferenceComponents

OutputFusionServerToolItem - Python SDK

OutputFusionServerToolItem method reference

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An openrouter:fusion server tool output item

Fields

FieldTypeRequiredDescriptionExample
analysisOptional[components.FusionAnalysisResult]➖Structured analysis produced by the fusion judge model.{"blind_spots": ["No model considered the impact on existing API consumers."],"consensus": ["All panel models agree the request is asking for a concise summary."],"contradictions": [{"stances": [{"model": "openai/gpt-5","stance": "Favors an incremental rollout."},
{"model": "anthropic/claude-sonnet-4.5","stance": "Favors a single coordinated migration."}
],
“topic”: “Recommended approach”
}
],
“partial_coverage”: [
{"models": ["openai/gpt-5"],"point": "Only one model addressed the rollback strategy."}
],
“unique_insights”: [
{"insight": "Highlighted a backwards-compatibility risk the other models missed.","model": "anthropic/claude-sonnet-4.5"}
]
}
errorOptional[str]➖Error message when the fusion run did not produce an analysis result.
failed_modelsList[components.FailedModel]➖Models that were requested as part of the analysis panel but did not produce a response. Present when at least one requested analysis model failed. The fusion result is still usable but was produced from a degraded panel.
failure_reasonOptional[str]➖Typed failure reason when the fusion run failed. Possible values include: all_panels_failed, insufficient_credits, rate_limited, judge_not_valid_json, judge_schema_mismatch, judge_upstream_error, judge_empty_completion.
idOptional[str]➖N/A
responsesList[components.Response]➖Analysis models that produced a response in this fusion run, with each model’s full panel content.
statuscomponents.ToolCallStatus✔️N/Acompleted
typecomponents.OutputFusionServerToolItemType✔️N/A