Review
Grok Review
xAI's Grok models, their real-time X integration, and how they price against the field.
SpaceXAI: Grok 4.3
x-ai/grok-4.3
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...
Listed (30 Apr 2026)
Source: OpenRouter (live)
- Input
- $1.25
- USD per 1M tokens
- Output
- $2.50
- USD per 1M tokens
- Blended
- $1.56
- 75% in / 25% out
- Context
- 1.0M
- tokens
- Max output
- 900K
- tokens
- Modality
- text+image+file->text
Prices as listed on OpenRouter, refreshed every five minutes. Provider-direct prices may differ. Convert to your currency on the AI Tracker.
Price history
How this listing has moved
- 7-day
- 0.0%
- $1.56 → $1.56/M
- 30-day
- 0.0%
- $1.56 → $1.56/M
- 90-day
- 0.0%
- $1.56 → $1.56/M
32 daily snapshots from 24 Sept 2026 to 3 Nov 2026. Blended = 75% input / 25% output. See all changes on Market Movers.
Capabilities
Declared on the listing
- Tool / function calling Declared
- Reasoning controls Declared
- Structured output Declared
- InputText, Image, File
- OutputText
Capabilities are read from the provider listing. "Not declared" means the listing does not advertise the feature, not that it is absent.
Why it costs this
Pricing context
- 1.7× median
- Market median blended price is $0.900/M across 429 priced models.
Alternatives
More from xAI
$2.40
/M blended
$3.00
/M blended
$2.40
/M blended
$3.00
/M blended
$3.00
/M blended
$1.25
/M blended
Alternatives
Similar price, other providers
Z.ai (Zhipu)
$1.55
/M blended
Google
$1.50
/M blended
Google
$1.50
/M blended
$1.50
/M blended
~Google
$1.50
/M blended
Relace
$1.50
/M blended
Within ±50% of $1.56/M blended.
Analysis
Related reading
Elon Musk's lab behind the Grok models. All xAI models · Official site
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