Grok 4.5 API Pricing
Grok 4.5 is xAI's latest frontier model for coding, agentic tasks, and knowledge work. The official xAI pricing page lists $2.00/M input, $0.50/M cached input, and $6.00/M output; the model page lists 500K context and text + image input.
Run the numbers.
Live calculator pre-loaded with Grok 4.5 rates from xAI's pricing page. The model supports configurable reasoning, tool use, code execution, and text plus image input; EU API-console availability is still pending per xAI docs.
Real-world presets.
Tool-calling agent
Research pack synthesis
Power-user chat
Knowledge base RAG
Paste text. See tokens. See cost.
This is a chars-per-token approximation, not a real tokenizer. Actual tokens vary by language, code density, and tool-call overhead — counts are typically ±10–20% off for English prose, more for code or non-Latin scripts. For exact billing, use the vendor's official tokenizer.
| Model | Input /M | Output /M | Effective blended | Context | Best for |
|---|---|---|---|---|---|
| Grok 4.5 Current | $2.00 cache $0.50 | $6.00 | $1.19 latest Grok | 500K | Coding, agents, and knowledge work |
| Grok 4.3 | $1.25 cache $0.20 | $2.50 | $0.56 cheaper previous Grok | 1M | Lower-cost Grok chat and tools |
| Grok Build 0.1 | $1.00 cache $0.20 | $2.00 | $0.52 coding early access | 256K | Dedicated coding workflows |
| Grok 4.20 Multi-Agent | $1.25 cache $0.20 | $2.50 | $0.56 2M context | 2M | Pinned long-context agent loops |
| Claude Sonnet 5 | $3.00 cache $0.30 | $15.00 | $1.92 Anthropic coding | 1M | Claude-class coding agents |
| GPT-5.6 Sol | $3.00 cache $0.30 | $18.00 | $2.16 OpenAI flagship | 1M | OpenAI frontier workloads |
| DeepSeek V4 Pro | $0.43 cache $0.00 | $0.87 | $0.14 budget reasoning | 1M | Low-cost reasoning alternative |
Frequently asked.
Grok 4.5 pricing questions, with xAI token rates separated from tool-call and cache assumptions.
Q · 01 What is Grok 4.5's API price? +
grok-4.5 at $2.00/M input, $0.50/M cached input, and $6.00/M output. These are USD prices per 1M tokens.Q · 02 Does Grok 4.5 support prompt caching? +
$0.50/M, versus $2.00/M for fresh input. xAI recommends setting a prompt cache key so long conversations route to the same server and reliably hit cache.Q · 03 What context window does Grok 4.5 have? +
500,000 tokens for Grok 4.5. Grok 4.3 remains listed at 1M context, and Grok 4.20 Multi-Agent remains the 2M-context Grok option.Q · 04 Is Grok 4.5 available in the EU API console? +
Q · 05 Is Grok 4.5 only for coding? +
Q · 06 How does Grok 4.5 compare with Grok 4.3 on price? +
$2/$6 versus Grok 4.3's $1.25/$2.50. It is the latest model, but Grok 4.3 remains a cheaper option with a larger 1M context window.