Grok 4.3 is xAI's language model with a 1.0M context window and up to 900K output tokens, available from 8 providers, starting at $1.25 / 1M input and $2.50 / 1M output. A multimodal reasoning LLM from xAI that accepts text and image inputs, designed for agentic workflows, instruction-following, and tool-use tasks requiring high factual accuracy.
Specifications
Canonical IDxai-grok-4-3
TypeLanguage
StatusActive
CreatorxAIxAI
Providers
Context Window1.0M tokens
Max Output900K tokens
Input ModalitiesImagePDFText
Output ModalitiesText
Reasoning Effortsdefault
Release Date · 5 months ago
Benchmarks
Intelligence Index
#109
Coding Index
#93
GPQA
#42
HLE
#48
IFBench
#1
Time to First Token
#361
SciCode
#62
LCR
#78
TerminalBench Hard
#54
TAU2
#11
Output TPS
#104

Capabilities

Input3/5
Text
Image
Audio·
Video·
PDF
Output1/5
Text
Image·
Audio·
Video·
Embedding·
Capabilities6/13
Reasoning
Adaptive Reasoning·
Function Calling
Parallel Function Calling·
Structured Outputs
Native JSON Schema
Web Search
URL Context·
Computer Use·
Code Execution·
File Search·
Prompt Caching
Assistant Prefill·

Pricing by Provider

US Dollar ($)
Per 1M tokens
ProviderStandardFastLong contextBatch
Input
$ / 1M
Output
$ / 1M
Cache Read
$ / 1M
Web Search
$ / request
Input
$ / 1M
Output
$ / 1M
Cache Read
$ / 1M
Input
$ / 1M
Output
$ / 1M
Input
$ / 1M
Output
$ / 1M
Cache Read
$ / 1M
Web Search
$ / request
Amazon Bedrock logo
Amazon Bedrock
bedrock_mantle/us-gov-west-1/xai.grok-4.3
$1.50$3.00$0.24N/A
Amazon Bedrock logo
Amazon Bedrock
bedrock_mantle/xai.grok-4.3
$1.25$2.50$0.2N/A
Azure AI Foundry logo
Azure AI Foundry
azure_ai/grok-4.3
$1.25$2.50$0.2N/A
Google Vertex AI logo
Google Vertex AI
vertex_ai/xai/grok-4.3
$1.25$2.50$0.2N/A
OpenRouter logo
OpenRouter
x-ai/grok-4.3
$1.25$2.50$0.2$0.0050N/AN/AN/AN/A
OpenRouter logo
OpenRouter
x-ai/grok-4.3:batch
$1.00$2.00$0.16$0.0050
Perplexity logo
Perplexity
perplexity/xai/grok-4.3
$1.25$2.50$0.2N/A
Snowflake logo
Snowflake
grok-4.3
$1.50$3.00N/AN/A$3.00$6.00$0.75$1.50N/AN/A
Vercel AI Gateway logo
Vercel AI Gateway
spacexai/grok-4.3
$1.25$2.50$0.2N/A$2.50$5.00$0.4
xAI logo
xAI
grok-4.3
$1.25$2.50$0.2N/A$0.625$1.25$0.1N/A

Cost Calculator

US Dollar ($)
Preset:

Versions

VersionReleasedContextInput / 1MOutput / 1MStatus
Grok 4.6524K$2.00$6.00Available
Grok 4.5500K$2.00$6.00Available
Grok 4.31.0M$1.25$2.50Current
Grok 4.202.0M$1.25$2.50Available
Grok 4.20 Multi-Agent2.0M$1.25$2.50Available
Grok 4.20 Multi-Agent Beta2.0M$1.25$2.50Available
Grok 4.20 Non-Reasoning2.0M$1.25$2.50Available
Grok 4.20 Reasoning2.0M$1.25$2.50Available
Grok 4.1 Reasoning2.0M$0.200$0.500Deprecated
Grok 4.1 Fast2.0M$1.25$2.50Deprecated
Grok 4.1 Fast Non-Reasoning2.0M$0.200$0.500Deprecated

Model IDs

azure_ai/grok-4.3
bedrock_mantle/us-gov-west-1/xai.grok-4.3
bedrock_mantle/xai.grok-4.3
grok-4-3
grok-4-3-low
grok-4-3-medium
grok-4-3-non-reasoning
grok-4.3
openrouter/x-ai/grok-4.3
perplexity/xai/grok-4.3
publishers/google/models/grok-4.3
spacexai/grok-4.3
vertex_ai/xai/grok-4.3
x-ai/grok-4.3
xai-grok-4-3
xai/grok-4.3
xai/grok-4.3-latest