O3

Excluded from documented price lines. These need better evidence or contain contradictory sources.

1. 2025-04-16API launchstandard

   API launch date verified; original seed $10/$40/$2.50 rates not independently established by the dated article text.

   Published 2025-04-16 · Added to our history 2026-09-18

   • OpenAI — API launch date verified; original seed $10/$40/$2.50 rates not independently established by the dated article text.

What open-source model catalogs (LiteLLM, models.dev) recorded for this listing, dated by their commits. A range means the catalog changed somewhere between two inspected commits. These are unverified against the provider and never anchor price lines; use the reviewed events above for launch and change dates.

1. 2025-06-17 – 2025-06-18Catalog price observationstandard

   A catalog snapshot changed its recorded token rates. Provider effective date requires review.

   USD / 1M tokens: input $2 · output $8 · cached input $0.5

   Published 2025-06-18 · Added to our history 2026-09-30 · Effective date is uncertain within the range shown

   • https://github.com/sst/models.dev — Snapshot diff; commit/archive time bounds the catalog observation, not the provider’s effective date. Pricing tiers, aliases and model identity require review.
2. 2025-06-11 – 2025-06-12First catalog listingstandard

   First listing in the inspected snapshots, not necessarily the model’s launch. Provider launch date requires review.

   USD / 1M tokens: input $2 · output $8

   Published 2025-06-12 · Added to our history 2026-09-30 · Effective date is uncertain within the range shown

   • https://github.com/sst/models.dev — Snapshot diff; commit/archive time bounds the catalog observation, not the provider’s effective date. Pricing tiers, aliases and model identity require review.
3. 2025-06-10Catalog price observationstandard

   A catalog snapshot changed its recorded token rates. Provider effective date requires review.

   USD / 1M tokens: input $2 · output $8 · cached input $0.5

   Published 2025-06-10 · Added to our history 2026-09-30

   • https://github.com/BerriAI/litellm — Snapshot diff; commit/archive time bounds the catalog observation, not the provider’s effective date. Pricing tiers, aliases and model identity require review.
4. 2025-04-14 – 2025-04-16First catalog listingstandard

   First listing in the inspected snapshots, not necessarily the model’s launch. Provider launch date requires review.

   USD / 1M tokens: input $10 · output $40 · cached input $2.5

   Published 2025-04-16 · Added to our history 2026-09-30 · Effective date is uncertain within the range shown

   • https://github.com/BerriAI/litellm — Snapshot diff; commit/archive time bounds the catalog observation, not the provider’s effective date. Pricing tiers, aliases and model identity require review.