Gpt 5 3 Codex costs $1.75/1M input tokens and $14.00/1M output tokens as of 2026-06-27. Openrouter publishes this model with a 400K tokens context window. o10 lists Gpt 5 3 Codex on OpenAI at routing band C1. API slug gpt-5-3-codex. 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 3 Codex is a chat model from openrouter (slug: gpt-5-3-codex). Pick Gpt 5 3 Codex 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. Published input pricing starts at $1.75/1M tokens. Context window: 400K tokens.
Catalog snapshot 2026-06-27.
Pick Gpt 5 3 Codex 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 5 3 Codex has cheaper mini/nano siblings for high-volume work. Pin the full SKU only when evals fail on the smaller tier.
Gpt 5 3 Codex has cheaper mini/nano siblings for high-volume work. Pin the full SKU only when evals fail on the smaller tier.
Gpt 5 3 Codex costs $1.75/1M input tokens and $14.00/1M output tokens in the gateway catalog snapshot (2026-06-27). Endpoint pricing may differ by fulfillment host.
Sourced from gateway catalog snapshot.
Gpt 5 3 Codex is configured on OpenAI. Known host IDs: openai: openai/gpt-5.3-codex. This model is routable through o10 eval-gated routing.
Gpt 5 3 Codex supports a 400K tokens context window in the gateway catalog snapshot. Context limits may vary by fulfillment host endpoint.
Gpt 5 3 Codex 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 5 3 Codex is attributed to source provider openrouter in the o10 catalog. Fulfillment hosts (OpenAI) supply API access; list pricing may differ by venue.
Gpt 5 3 Codex in the o10 unified catalog.
| Field | Value |
|---|---|
| o10 slug | `gpt-5-3-codex` |
| Type | text |
| Band | C1 |
| Routable | Yes |
| Source provider | openrouter |
| Primary host | OpenAI |
| Gateway ID | `openai/gpt-5.3-codex` |
| Context window | 400,000 tokens |
| Released | 2026-02-24 |
Gateway snapshot pricing for Gpt 5 3 Codex.
| Unit | Price |
|---|---|
| Input | $1.75/1M tokens |
| Output | $14/1M tokens |
Upstream venues configured for Gpt 5 3 Codex.
| Host | Upstream model ID |
|---|---|
| openai | openai/gpt-5.3-codex |
Endpoint-level pricing and latency from the gateway catalog.
| Provider | Input ($/1M) | Latency p50 | Uptime 1d |
|---|---|---|---|
| azure | $1.75 | 2274ms | 9995.9% |
| openai | $1.75 | 557.5ms | 9997.8% |
Eval-gated model selection for this slug.
o10 slug: gpt-5-3-codex. 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 5 3 Codex costs $1.75/1M input tokens and $14.00/1M output tokens in the gateway snapshot (2026-06-27). Verify against your provider's published pricing.
Gpt 5 3 Codex supports 400K tokens in the gateway catalog snapshot. Host-specific endpoints may differ.
Gpt 5 3 Codex (gpt-5-3-codex) is configured on: OpenAI. Upstream model IDs are listed in the fulfillment routes section.
Yes. Gpt 5 3 Codex is routable at band C1. Send model: "gpt-5-3-codex" or use an o10 smart routing alias.
Use o10 slug "gpt-5-3-codex" or gateway ID "openai/gpt-5.3-codex" depending on your integration. Gateway-compatible endpoints accept OpenAI-style /v1 requests.
o10 routes Gpt 5 3 Codex 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.