Grok 4.3 pricing & benchmarks
Grok 4.3 is available from xAI at $1.25 per million input tokens and $2.50 per million output tokens ($1.56 blended at 3:1). It accepts up to 1,000,000 tokens of context. Grok 4.3 is a reasoning model from SpaceXAI. It accepts text and image inputs with text output, and is suited for agentic workflows, instruction-following tasks, and applications requiring high factual...
Pricing
Per million tokens · OpenRouter
Input$1.25
Output$2.50
Blended (3:1)$1.56
Specification
x-ai/grok-4.3
Context window1M
Max output—
ReleasedApr 2026
LicenceProprietary
Modalitiesin:text, in:image, in:file, out:text
No independently-run benchmark scores are published for Grok 4.3 yet. We show nothing rather than reprinting an unverified figure.
Where to run Grok 4.3
4 options across 1 provider · 2.0× between cheapest and dearest. Blended at 3:1. ⚠ marks an option serving less context than the best available, or re-pricing above a prompt-length threshold. Bracketed labels are the provider's own service tier or region.
| Host | Blended $/1M | In / Out | Context | Uptime 24h |
|---|---|---|---|---|
| xAI ⚠ re-prices above 200K prompt tokens ($2.50/$5.00) |
$1.56 | $1.25 / $2.50 | 1M | 99.9% |
| xAI (zdr) ⚠ re-prices above 200K prompt tokens ($2.50/$5.00) |
$1.56 | $1.25 / $2.50 | 1M | 99.8% |
| xAI (priority) ⚠ re-prices above 200K prompt tokens ($5.00/$10.00) |
$3.13 | $2.50 / $5.00 | 1M | 99.9% |
| xAI (zdr/priority) ⚠ re-prices above 200K prompt tokens ($5.00/$10.00) |
$3.13 | $2.50 / $5.00 | 1M | 99.8% |
Host prices and uptime from OpenRouter, synced 2026-08-08.
Subscriptions that include Grok 4.3
Consumer plans whose published model list names this model
Compare Grok 4.3
FAQ
How much does Grok 4.3 cost?
Grok 4.3 costs $1.25 per million input tokens and $2.50 per million output tokens on OpenRouter. At a 3:1 input:output mix that blends to $1.56 per million tokens.
What is Grok 4.3's context window?
Grok 4.3 accepts up to 1,000,000 tokens of context.