Verifiable receipt f151d925 - model_oracle result | Zambo

Verifiable receipt for a model_oracle call on Zambo: {"recommendation":{"model":"openai/gpt-oss-120b","provider":"Meta / Groq","reason":"Best overall on Groq —

Observed result

{"recommendation":{"model":"openai/gpt-oss-120b","provider":"Meta / Groq","reason":"Best overall on Groq — high quality at low cost","cost_per_1m_input":0.59,"quality_score":88},"personalized_insight":null,"ranked":[{"rank":1,"model":"openai/gpt-oss-120b","provider":"Meta / Groq","cost_per_1m_tokens":{"input":0.59,"output":0.79},"cost_estimate":null,"quality_score":88,"speed":"fast","context_window":128000,"strengths":["reasoning","coding","summarization","chat","extraction","classification"],"free_tier":true,"api_url":"api.groq.com","notes":"Best overall on Groq — high quality at low cost","verdict":"best overall","composite_score":106},{"rank":2,"model":"claude-haiku-3-5","provider":"Anthropic","cost_per_1m_tokens":{"input":0.25,"output":1.25},"cost_estimate":null,"quality_score":84,"speed":"fast","context_window":200000,"strengths":["classification","extraction","summarization","chat","low-latency"],"free_tier":false,"api_url":"api.anthropic.com","notes":"Fastest Anthropic model — great for high-volume classification","verdict":"runner-up","composite_score":104},{"rank":3,"model":"gpt-4o-mini","provider":"OpenAI","cost_per_1m_tokens":{"input":0.15,"output":0.6},"cost_estimate":null,"quality_score":82,"speed":"fast","context_window":128000,"strengths":["classification","extraction","chat","function_calling","low-cost"],"free_tier":false,"api_url":"api.openai.com","notes":"Best low-cost OpenAI — great for high-volume production","verdict":"budget pick","composite_score":103},{"rank":4,"model":"claude-sonnet-4-5","provider":"Anthropic","cost_per_1m_tokens":{"input":3,"output":15},"cost_estimate":null,"quality_score":95,"speed":"medium","context_window":200000,"strengths":["reasoning","coding","chat","analysis","writing","extraction"],"free_tier":false,"api_url":"api.anthropic.com","notes":"Best quality-to-cost for production apps — Claude sweet spot","verdict":"strong for recommend_the_best_ai_model_for_generating_short_blog_posts_under_500_tokens_budget","composite_score":99},{"rank":5,"model":"gemini-2.0-flash","provider":"Google","cost_per_1m_tokens":{"input":0.1,"output":0.4},"cost_estimate":null,"quality_score":81,"speed":"ultra-fast","context_window":1000000,"strengths":["multimodal","low-cost","high-volume","long_context","classification"],"free_tier":true,"api_url":"generativelanguage.googleapis.com","notes":"Cheapest capable multimodal — massive free quota","verdict":"best free option","composite_score":90},{"rank":6,"model":"groq/compound","provider":"Meta / Groq","cost_per_1m_tokens":{"input":0.11,"output":0.34},"cost_estimate":null,"quality_score":78,"speed":"ultra-fast","context_window":131072,"strengths":["classification","extraction","summarization","low-cost"],"free_tier":true,"api_url":"api.groq.com","notes":"Ultra-low cost, great for high-volume simple tasks","verdict":"best free option","composite_score":89},{"rank":7,"model":"openai/gpt-oss-20b","provider":"Meta / Groq","cost_per_1m_tokens":{"input":0.05,"output":0.08},"cost_estimate":null,"quality_score":72,"speed":"ultra-fast","context_window":128000,"strengths":["low-cost","high-volume","fast-inference","classification"],"free_tier":true,"api_url":"api.groq.com","notes":"Cheapest capable model — production fallback","verdict":"best free option","composite_score":86},{"rank":8,"model":"gemini-2.5-pro","provider":"Google","cost_per_1m_tokens":{"input":1.25,"output":5},"cost_estimate":null,"quality_score":96,"speed":"medium","context_window":1000000,"strengths":["long_context","reasoning","multimodal","coding","analysis"],"free_tier":true,"api_url":"generativelanguage.googleapis.com","notes":"1M context window — unmatched for long document processing","verdict":"best free option","composite_score":81}],"total_models_evaluated":11,"query":{"task":"recommend_the_best_ai_model_for_generating_short_blog_posts_under_500_tokens_budget","budget":"any","tokens":null,"use_case":null},"latency_ms":1,"data_freshness":"Updated June 2026","pass_used":false,"usage":{"plan":"free","calls_remaining":"29","daily_limit":30,"upgrade":"https://zambo.dev/#zambo-pass"},"_meta":{"tool":"ModelOracle by zambo.dev","description":"Ranked AI model recommendations by task, budget, and quality","docs":"https://zambo.dev/api/model-oracle"}}

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provenance_class is bound to these bytes; issuer is not authenticated.

Receipt ID
f151d925-a319-4d1a-ab57-b76570f0dd6b
SHA-256 output hash
sha256:84d9c3674e5cd622f00fbfd4ac32232fd21ea63fc8c9df17c57d2ad3fb4b2d85
Canonical bytes
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Timestamp

Bound call context

Receipt schema
0.4
Tool name
model_oracle
Tool version
4.0.0
Permission scope
public
Caller type
anonymous
Caller ID
sha256:462e58a7c71e2908382513a2b3aa6526ad882e315da5746728c943130aea6da4
Declared side effects
none
Side-effects schema
zambo-side-effects/1
Declaration hash
sha256:45aad38f3aa982b9aafe92ecb416ebe98791eddbaf8ab6df0bd08605b7c1bfee

This records what the server-side tool contract declared at call time. It does not independently verify that a downstream side effect happened.

Bound upstream evidence

Status
captured
Evidence SHA-256
sha256:19b91049ce8151a376ff59751924a7c781477af727871775f58c879a2860a919
Byte length
4274

Fetch exact evidence bytes

Neutral Nostr anchor

Event ID
2dca5b0c83499917faf51a153bf29e81eafc4cc299addd74d920d72021479414
Anchor status
partial
Public key
e13475107d30c918ec664adf2ab1141024a22fb35190f82c9e933704fa49af41

Relay hints: wss://relay.damus.io · wss://nos.lol · wss://relay.primal.net

Schema: zambo-receipt-anchor/1

Anchor envelope bytes:

{"anchored_at":"2026-10-08T03:05:13.987Z","evidence_byte_length":4274,"evidence_sha256":"sha256:19b91049ce8151a376ff59751924a7c781477af727871775f58c879a2860a919","evidence_url":"https://zambo.dev/api/evidence/19b91049ce8151a376ff59751924a7c781477af727871775f58c879a2860a919","output_sha256":"sha256:84d9c3674e5cd622f00fbfd4ac32232fd21ea63fc8c9df17c57d2ad3fb4b2d85","receipt_uuid":"f151d925-a319-4d1a-ab57-b76570f0dd6b","schema_version":"zambo-receipt-anchor/1"}

Anchor status "partial": Published to some configured relay targets; publication was not confirmed by every configured relay.

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