Grok 4.5
Deep thinkingxAI
VisionFunction callingReasoningPrompt cachingStructured outputPDF inputWeb search
- Input
- $2/M
- Output
- $6/M
- Context
- 500K
- Released
- Jul 8, 2026
xAI's latest Grok for chat, coding, agentic tools, and lower hallucination risk
- Context window
- 500K
- Max output
- 500K
- Released
- Jul 8, 2026
- Knowledge cutoff
- —
- Type
- Deep thinking
- Family
- grok
Capabilities
VisionFunction callingReasoningPrompt cachingStructured outputPDF inputWeb search
Modalities & protocols
textimagepdftext
- Call as:
- openai-compatible
- anthropic-messages
- Upstream:
- openai-compatible
Pricing · 6 providers
Official
- Prompt
- $2/M tokens
- Completion
- $6/M tokens
- Cache read
- $0.5/M tokens
Price tracks (first match wins)
1.>200K context
×1context > 200K tokens
- Prompt
- ×2
- Completion
- ×2
- Cache read
- ×2
2.standard
×1Default track — applies when no earlier track matches.
| Provider | Input /M | Output /M |
|---|---|---|
| xaiofficial | $2/M tokens | $6/M tokens |
| llmgateway | $2/M tokens | $6/M tokens |
| opencode | $2/M tokens | $6/M tokens |
| openrouter | $2/M tokens | $6/M tokens |
| venice | $2.27/M tokens | $6.8/M tokens |
| vercel | $2/M tokens | $6/M tokens |
Price history
- 2026-07-08Listed in catalog
Parameter support
Supported:
frequency_penaltyinclude_reasoninglogprobsmax_tokenspresence_penaltyreasoningresponse_formatseedstopstructured_outputstemperaturetool_choicetoolstop_logprobstop_pReasoning
- Always on
- Yes
Also known as
grok-4-5x-ai/grok-4.5xai/grok-4.5Related models
Call this model
curl "$BASE_URL/v1/chat/completions" \
-H "Authorization: Bearer $API_KEY" \
-H "content-type: application/json" \
-d '{
"model": "grok-4.5",
"reasoning_effort": "medium",
"tools": [{ "type": "function", "function": { "name": "get_weather", "description": "Get weather by city", "parameters": { "type": "object", "properties": { "city": { "type": "string" } }, "required": ["city"] } } }],
"messages": [{ "role": "user", "content": [
{ "type": "image_url", "image_url": { "url": "https://example.com/chart.png" } },
{ "type": "text", "text": "Summarize the attached data." }
] }]
}'Set $BASE_URL to the vendor endpoint or any compatible gateway (e.g. CCHP).