Grok 4.5 pricing
Grok 4.5, Flagship-tier from xAI, costs $2.00 per 1M input tokens and $6.00 per 1M output tokens.
Input$2.00per 1M tokens
Output$6.00per 1M tokens
Context window500Ktokens
TierFlagshipxAI
Price your own workload against Grok 4.5 in the calculator →
Specs and pricing
| Provider | xAI |
| Tier | Flagship |
| Context window | 500K tokens |
| Max output | — |
| Input price | $2.00 / 1M tokens |
| Output price | $6.00 / 1M tokens |
| Cache read | $0.30 / 1M tokens |
| Modalities | text, image |
Note. Short-context rate, for prompts under 200K tokens. At 200K and above: $4 input / $12 output, cache read $0.60 per 1M. Same input and output price as Grok 4.6 with a cheaper cache read; the previous flagship, not marked deprecated.
What it costs at realistic volumes
Assuming a 4:1 input:output token ratio, a common shape for chat and RAG-style workloads:
| Volume (4:1 in:out ratio) | Input cost | Output cost | Total / month |
|---|---|---|---|
| 1,000,000 in / 250,000 out | $2.00 | $1.50 | $3.50 |
| 10,000,000 in / 2,500,000 out | $20.00 | $15.00 | $35.00 |
| 100,000,000 in / 25,000,000 out | $200.00 | $150.00 | $350.00 |
Cheaper alternatives
Same tier (Flagship), a different provider, and a lower blended cost at the 4:1 ratio used above:
| Model | Provider | $/1M in | $/1M out | At the 4:1 ratio |
|---|---|---|---|---|
| Qwen3 235B A22B Instruct 2507 | Novita AI | $0.09 | $0.58 | 93.3% cheaper blended |
| GPT-OSS 120B | Groq | $0.15 | $0.60 | 91.4% cheaper blended |
| Qwen3 235B-A22B (2507) | Parasail | $0.14 | $0.80 | 90.3% cheaper blended |
| Llama 4 Maverick | Together AI | $0.27 | $0.85 | 86.2% cheaper blended |
| Llama 4 Maverick Instruct | Novita AI | $0.27 | $0.85 | 86.2% cheaper blended |