Grok 4.20 Multi-Agent API pricing
3 providers serve Grok 4.20 Multi-Agent. Grok 4.20 Multi-Agent is a proprietary API model, up to 2000K context. Prices below are per 1M tokens, cheapest input first.
Refreshed 2026-08-23 · list prices from provider APIs| Provider | Input $/1M | Output $/1M | Cache read $/1M | Context | |
|---|---|---|---|---|---|
| xAI | $1.25 | $2.50output floor | $0.200 | 1000K | Use |
| OpenRouter marketplace quote | $1.25 | $2.50 | $0.200 | 2000K | Use |
| Oracle OCI | $3.00 | $15.00 | - | 131K | Use |
The cheapest way to run Grok 4.20 Multi-Agent
On an illustrative 70M-input / 30M-output monthly workload, today's lowest listed cost is roughly $163/month — the same at xAI and OpenRouter. Input-heavy, output-heavy and cache-heavy workloads can produce different winners. Use the live mix calculator below rather than combining floors from two different providers. It is API-only, so the table above is your full set of options. Run your own numbers in the breakeven calculator, or read the breakeven math.
Your actual monthly cost
Cache read uses the listed cache rate where available; otherwise it falls back to normal input price. Batch, write-cache, volume and negotiated discounts are excluded.
Related models
| Model | Cheapest in $/1M | Cheapest out $/1M | Providers |
|---|---|---|---|
| Grok-4 | $3.00 | $15.00 | 6 |
| Grok-3 | $3.00 | $15.00 | 4 |
| Grok-3-Mini | $0.250 | $0.500 | 4 |
| Grok 4.3 | $1.25 | $2.50 | 4 |
| Grok-4-1-Fast-Non-Reasoning | $0.200 | $0.500 | 3 |
| Grok-4-1-Fast-Reasoning | $0.200 | $0.500 | 3 |
FAQ
What is the cheapest API for Grok 4.20 Multi-Agent?
As of 2026-08-23, the lowest input price for Grok 4.20 Multi-Agent, $1.25 per 1M tokens, is the same list price at xAI and OpenRouter. The lowest output price, $2.50 per 1M tokens, is likewise shared by the same providers. The cheapest provider for a real workload depends on its input/output mix. The next-lowest input price is Oracle OCI at $3.00, a 140% difference.
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