Grok 4.5
$2.00 per 1M input tokens and $6.00 per 1M output tokens · 500K context · vision, tools, reasoning, JSON.
Prices checked Oct 21, 2026 · tracked by LLM Cost Index since Oct 21, 2026
What Grok 4.5 costs per month
Estimated monthly bill for typical workloads, using the cached-input price for repeated context. Try your own numbers in the cost calculator.
| Workload | Per month |
|---|---|
| Customer chatbot 1,000 conversations a day, 8 turns each | $857 |
| Document Q&A (RAG) 500 questions a day over retrieved documents | $210 |
| Coding / tool-using agent 200 tasks a day, long tool-heavy contexts | $405 |
| Content generation 30 long articles a day | $18.90 |
| Classification / extraction 100,000 short items a day | $2,070 |
Prompts above 200K tokens are billed at $4.00 input / $12.00 output per 1M.
Price history
We started tracking Grok 4.5 on Oct 21, 2026; the chart appears as soon as there is a second data point. See all recent price changes.
Where to run Grok 4.5: 4 providers
xAI is the cheapest at $2.00 input / $6.00 output per 1M tokens. Uptime is the average over the last 30 days as reported by OpenRouter; see provider reliability.
Cheaper alternatives to Grok 4.5
Models with the same tool calling, image input, structured output for at least 20% less (3:1 input/output mix), most capable first.
| Model | Input / 1M | Output / 1M | Context | Capabilities |
|---|---|---|---|---|
| Muse Spark 1.3 Meta | $1.25 | $4.25 | 1.05M | visiontoolsreasoningJSON |
| MiMo-V2.6-Pro Xiaomi | $0.435 | $0.87 | 1.05M | visionaudiotoolsreasoningJSONopen weights |
| Step 5 Preview Stepfun | $1.00 | $2.70 | 1.05M | visiontoolsreasoningJSONopen weights |
| Claude Haiku 5.5 Anthropic | $0.10 | $0.50 | 1M | visiontoolsreasoningJSON |
| GLM 5.3 Flash Z.ai | $0.041 | $0.12 | 1.05M | visiontoolsreasoningJSONopen weights |
How to pay less for Grok 4.5
For a customer chatbot (1,000 conversations a day, 8 turns each) that costs $1,224 a month at list price without caching:
| Option | Per month | You save |
|---|---|---|
| Move to Muse Spark 1.3 (similar capabilities) | $569 | $655 (53%) |
| Use prompt caching (60% of input cached) | $857 | $367 (30%) |
Other workloads: cut-your-bill tool for Grok 4.5.
Compare Grok 4.5
Specifications
| Model ID | x-ai/grok-4.5 |
| Input | text, image, file |
| Output | text |
| Tool calling | Yes |
| Structured output | Yes |
| Reasoning mode | Yes |
| Open weights | No |
| Released | Jul 8, 2026 |
| Web search | $0.0050 per request |
FAQ
- How much does Grok 4.5 cost?
- $2.00 per million input tokens and $6.00 per million output tokens; cached input costs $0.30 per million. Prompts over 200K tokens are billed at $4.00 / $12.00. Prices as of Oct 21, 2026.
- What is the context window of Grok 4.5?
- 500K tokens, with up to 450K output tokens per response.
- Does Grok 4.5 support images, tools and structured output?
- Images as input: yes. Tool calling: yes. Structured (JSON) output: yes. Reasoning mode: yes.
- What are cheaper alternatives to Grok 4.5?
- Models with the same key capabilities for at least 20% less include Muse Spark 1.3 ($1.25 / $4.25), MiMo-V2.6-Pro ($0.435 / $0.87), Step 5 Preview ($1.00 / $2.70).
More from xAI: all xAI models · how we collect prices