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.
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 C4.
Last updated: 2026-06-27. Full catalog
Grok 4.3 pricing — input/output per 1M tokens
AnswersSelf-contained
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.
01Deep dive
Token pricing
Gateway snapshot pricing for Grok 4.3.
| Unit | Price |
|---|---|
| Input | $1.25/1M tokens |
| Output | $2.5/1M tokens |
02Deep dive
Fulfillment hosts
Upstream venues configured for Grok 4.3.
| Host | Upstream model ID |
|---|---|
| xai | xai/grok-4.3 |
03Deep dive
Routing with o10
Eval-gated model selection for this slug.
o10 slug: grok-4.3. Band: C4. Routable: yes.
See [/models/routing](/models/routing) for smart aliases (o10/auto, o10/frontier, o10/squad) and [/kyi](/kyi) for governance.
SourceMethodology
Gateway catalog snapshot 2026-06-27. Fulfillment catalog synced from o10 control plane. Verify list prices against openrouter and host providers.
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 C4. 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 C4 indicates cost tier. See /kyi for governance and /models/routing for smart aliases.