Grok 4.5
impossibl/xai/grok-4.5 · family grok · in: text, image → out: text · price provider-declared (via models.dev). Capabilities: tools reasoning text image.
$3.00
Blended $/1M (3:1)
$2
Input $/1M
$6
Output $/1M
$8.00
1M in + 1M out
$0.3 −85%
Cache read $/1M
#6151 of 8,566
Cheapest rank
- Provider
- Impossibl (
impossibl) - Kind
- text (outputs text)
- Context
- 500,000 tokens
- Max output
- 500,000 tokens
- Capabilities
- tools reasoning text image
Same model, other providers
“Grok 4.5” is offered by 27 providers — cheapest-effective first. This one (Impossibl) is the cheapest.
| Provider | Input | Output | Blended | Context |
|---|---|---|---|---|
| Impossibl (this) | $2 | $6 | $3.00 | 500k |
| NanoGPT | $2 | $6 | $3.00 | 500k |
| Merge Gateway | $2 | $6 | $3.00 | 500k |
| OrcaRouter | $2 | $6 | $3.00 | 500k |
| GitHub Copilot | $2 | $6 | $3.00 | 500k |
| Eden AI | $2 | $6 | $3.00 | 500k |
| 302.AI | $2 | $6 | $3.00 | 500k |
| Vercel AI Gateway | $2 | $6 | $3.00 | 500k |
| OpenCode | $2 | $6 | $3.00 | 500k |
| ZenMux | $2 | $6 | $3.00 | 500k |
| Cloudflare AI Gateway | $2 | $6 | $3.00 | 500k |
| DevPass (LLM Gateway) | $2 | $6 | $3.00 | 500k |
| Abacus | $2 | $6 | $3.00 | 500k |
Call it
jishie indexes & prices models; it does not proxy inference.
Most providers are OpenAI-compatible — point base_url at Impossibl and pass this model id:
curl $BASE_URL/v1/chat/completions \
-H "Authorization: Bearer $API_KEY" -H "Content-Type: application/json" \
-d '{"model":"xai/grok-4.5","messages":[{"role":"user","content":"hello"}]}'
Route programmatically with MCP find_model / get_model, or fetch this record free (no wallet):