GPT-5 nano costs $0.050/1M input tokens and $0.400/1M output tokens as of 2026-06-27. OpenAI publishes this model with a 400K tokens context window. o10 lists GPT-5 nano on OpenRouter at routing band C0. API slug openai-gpt-5-nano. 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-5 nano costs $0.050/1M input tokens and $0.400/1M output tokens in the gateway catalog snapshot (2026-06-27). Endpoint pricing may differ by fulfillment host.
Sourced from gateway catalog snapshot.
GPT-5 nano is configured on OpenRouter. Known host IDs: openrouter: openrouter/openai/gpt-5-nano. This model is routable through o10 eval-gated routing.
GPT-5 nano supports a 400K tokens context window in the gateway catalog snapshot. Context limits may vary by fulfillment host endpoint.
Gateway snapshot pricing for GPT-5 nano.
| Unit | Price |
|---|---|
| Input | $0.05/1M tokens |
| Output | $0.4/1M tokens |
Upstream venues configured for GPT-5 nano.
| Host | Upstream model ID |
|---|---|
| openrouter | openrouter/openai/gpt-5-nano |
Eval-gated model selection for this slug.
o10 slug: openai-gpt-5-nano. Band: C0. Routable: yes.
See [/models/routing](/models/routing) for smart aliases (o10/auto, o10/frontier, o10/squad) and [/kyi](/kyi) for governance.
Gateway catalog snapshot 2026-06-27. Fulfillment catalog synced from o10 control plane. Verify list prices against openai and host providers.
GPT-5 nano costs $0.050/1M input tokens and $0.400/1M output tokens in the gateway snapshot (2026-06-27). Verify against your provider's published pricing.
GPT-5 nano supports 400K tokens in the gateway catalog snapshot. Host-specific endpoints may differ.
GPT-5 nano (openai-gpt-5-nano) is configured on: OpenRouter. Upstream model IDs are listed in the fulfillment routes section.
Yes. GPT-5 nano is routable at band C0. Send model: "openai-gpt-5-nano" or use an o10 smart routing alias.
Use o10 slug "openai-gpt-5-nano" or gateway ID "openai/gpt-5-nano" depending on your integration. Gateway-compatible endpoints accept OpenAI-style /v1 requests.
o10 routes GPT-5 nano only when per-use-case evals clear at your quality floor. Band C0 indicates cost tier. See /kyi for governance and /models/routing for smart aliases.
The o10 slug is "openai-gpt-5-nano"; the unified gateway ID is "openai/gpt-5-nano". Host IDs: openrouter: openrouter/openai/gpt-5-nano. Pricing snapshot date: 2026-06-27.
GPT-5 nano is hosted as openrouter: openrouter/openai/gpt-5-nano. o10 maps those upstream IDs to slug "openai-gpt-5-nano".