Gpt Oss 20b Free is listed in the o10 fulfillment catalog as of 2026-06-27. OpenAI publishes this model without a published context window in this snapshot. o10 lists Gpt Oss 20b Free on OpenRouter at routing band C1. API slug openai-gpt-oss-20b-free. Verify list prices against the venue you call.
Last updated: 2026-06-27. Full catalog. Reference prices are dated snapshots. Compare total cost and measured task quality before choosing a route.
Gpt Oss 20b Free is a chat model from openai (slug: openai-gpt-oss-20b-free). Pick Gpt Oss 20b Free when you need OpenAI's general chat/vision family at this generation. It is the named GPT SKU, not a reasoning-only o-series model.
Catalog snapshot 2026-06-27.
Pick Gpt Oss 20b Free when you need OpenAI's general chat/vision family at this generation. It is the named GPT SKU, not a reasoning-only o-series model. Gpt Oss 20b Free has cheaper mini/nano siblings for high-volume work. Pin the full SKU only when evals fail on the smaller tier.
Gpt Oss 20b Free has cheaper mini/nano siblings for high-volume work. Pin the full SKU only when evals fail on the smaller tier.
Gpt Oss 20b Free does not have published per-token pricing in the current gateway snapshot. See fulfillment hosts below for routing options.
Pricing unavailable in current snapshot.
Gpt Oss 20b Free is configured on OpenRouter. Known host IDs: openrouter: openrouter/openai/gpt-oss-20b:free. This model is routable through o10 eval-gated routing.
Gpt Oss 20b Free context limits depend on the fulfillment host. Check the specifications table for endpoint-specific limits.
Gpt Oss 20b Free is classified at o10 routing band C1. Bands group models by cost tier and eval profile: C0 (economy), C1 (standard), C2 (capable), C3/C4 (frontier). Production routing is enabled for this slug.
Gpt Oss 20b Free is attributed to source provider openai in the o10 catalog. Fulfillment hosts (OpenRouter) supply API access; list pricing may differ by venue.
Gpt Oss 20b Free in the o10 unified catalog.
| Field | Value |
|---|---|
| o10 slug | `openai-gpt-oss-20b-free` |
| Type | text |
| Band | C1 |
| Routable | Yes |
| Source provider | openai |
| Primary host | OpenRouter |
Upstream venues configured for Gpt Oss 20b Free.
| Host | Upstream model ID |
|---|---|
| openrouter | openrouter/openai/gpt-oss-20b:free |
Eval-gated model selection for this slug.
o10 slug: openai-gpt-oss-20b-free. Band: C1. Routable: yes.
See [/models/routing](/models/routing) for smart aliases (o10/auto, o10/frontier, o10/squad) and [/kyi](/kyi) for governance.
Fulfillment catalog 2026-06-27. Gateway pricing joined where slug match exists.
Gpt Oss 20b Free has no published per-token price in the current gateway snapshot. Use the fulfillment hosts table to identify available venues.
Context limits for Gpt Oss 20b Free vary by fulfillment host. See the specifications table on this page.
Gpt Oss 20b Free (openai-gpt-oss-20b-free) is configured on: OpenRouter. Upstream model IDs are listed in the fulfillment routes section.
Yes. Gpt Oss 20b Free is routable at band C1. Send model: "openai-gpt-oss-20b-free" or use an o10 smart routing alias.
Use o10 slug "openai-gpt-oss-20b-free" in the model field. See /models/routing for smart aliases (o10/auto, o10/frontier, o10/squad).
o10 routes Gpt Oss 20b Free only when per-use-case evals clear at your quality floor. Band C1 indicates cost tier. See /kyi for governance and /models/routing for smart aliases.