What is Grok 4 3?
Grok 4 3 is a language model in the o10 fulfillment catalog (slug: grok-4-3). Published input pricing starts at $1.25/1M tokens. Context window: 1M tokens.
Catalog snapshot 2026-06-27.
Grok 4 3 costs $1.25/1M input tokens and $2.50/1M output tokens as of 2026-06-27. Openrouter publishes this model with a 1M tokens context window. o10 lists Grok 4 3 on xAI at routing band C1.
Last updated: 2026-06-27. Full catalog
Grok 4 3 — specs, hosts, and routing
AnswersSelf-contained
How much does Grok 4 3 cost per million tokens?
Grok 4 3 costs $1.25/1M input tokens and $2.50/1M output tokens in the gateway catalog snapshot (2026-06-27). Endpoint pricing may differ by fulfillment host.
Sourced from gateway catalog snapshot.
Where can you run Grok 4 3?
Grok 4 3 is configured on xAI. Each host maps to an upstream model ID listed in the fulfillment routes table. This model is routable through o10 eval-gated routing.
What is Grok 4 3's context window?
Grok 4 3 supports a 1M tokens context window in the gateway catalog snapshot. Context limits may vary by fulfillment host endpoint.
What o10 routing band is Grok 4 3?
Grok 4 3 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.
Who makes Grok 4 3?
Grok 4 3 is attributed to source provider openrouter in the o10 catalog. Fulfillment hosts (xAI) supply API access; list pricing may differ by venue.
01Deep dive
Specifications
Grok 4 3 in the o10 unified catalog.
| Field | Value |
|---|---|
| o10 slug | `grok-4-3` |
| Type | text |
| Band | C1 |
| Routable | Yes |
| Source provider | openrouter |
| Primary host | xAI |
| Gateway ID | `xai/grok-4.3` |
| Context window | 1,000,000 tokens |
| Released | 2026-04-30 |
02Deep dive
Token pricing
Gateway snapshot pricing for Grok 4 3.
| Unit | Price |
|---|---|
| Input | $1.25/1M tokens |
| Output | $2.5/1M tokens |
03Deep dive
Fulfillment hosts
Upstream venues configured for Grok 4 3.
| Host | Upstream model ID |
|---|---|
| xai | xai/grok-4.3 |
04Deep dive
Gateway provider endpoints
Endpoint-level pricing and latency from the gateway catalog.
| Provider | Input ($/1M) | Latency p50 | Uptime 1d |
|---|---|---|---|
| vertex | $1.25 | 1121ms | 10000.0% |
| xai | $1.25 | 992ms | 9998.6% |
05Deep dive
Routing with o10
Eval-gated model selection for this slug.
o10 slug: grok-4-3. Band: C1. Routable: yes.
See [/models/routing](/models/routing) for smart aliases (o10/auto, o10/economy) and [/kyi](/kyi) for governance.
SourceMethodology
Fulfillment catalog 2026-06-27. Gateway pricing joined where slug match exists.
FAQFrequently asked questions
Common questions
How much does Grok 4 3 cost?
Grok 4 3 costs $1.25/1M input tokens and $2.50/1M output tokens in the gateway snapshot (2026-06-27). Verify against your provider's published pricing.
What is Grok 4 3's context window?
Grok 4 3 supports 1M tokens in the gateway catalog snapshot. Host-specific endpoints may differ.
Which hosts serve Grok 4 3?
Grok 4 3 (grok-4-3) is configured on: xAI. Upstream model IDs are listed in the fulfillment routes section.
Is Grok 4 3 routable through o10?
Yes. Grok 4 3 is routable at band C1. Send model: "grok-4-3" or use an o10 smart routing alias.
How do I call Grok 4 3 via o10?
Use o10 slug "grok-4-3" or gateway ID "xai/grok-4.3" depending on your integration. Gateway-compatible endpoints accept OpenAI-style /v1 requests.
How does o10 route this model?
o10 routes Grok 4 3 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.