KKevlar

ENTITY HISTORY · VALID TIME × TRANSACTION TIME

GPT-4o

openai:gpt-4o
HISTORICAL
EFFECTIVE EXTERNAL FACT4latest valid time
RECORDED BELIEF4latest transaction
RELEASE DECISIONreleaseverified_value_changed
supersedes

4 usd_per_million_input_tokens

Verified observation establishes a genuine external change.

fnv1a64:af63a94c860195e3
initial

5 usd_per_million_input_tokens

source_effective_at

fnv1a64:af63a84c86019430
CURRENT FACT → VERIFIED OBSERVATION → SOURCE RUN
model.input_price_usd_per_million_tokensrecords[0].input_pricenormalize_token_price@1.0.0verified