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xAIClosed Weights

Grok 4.5

x-ai/grok-4.5

Best Input Price

$0.00 / 1M

Grok 4.5 is SpaceXAI's smartest model with frontier performance on coding, knowledge work, and STEM.

Context Window

1,000,000 tokens

Reasoning

Supported

Tool Calling

Supported

Released

2026-07-08

Inference Providers (26)

ProviderModel IDContextInput / 1MOutput / 1MAction
Kenarigrok-4-5500,000$0.00$0.00Docs ↗
NanoGPTx-ai/grok-4.5500,000$2.00$6.00Docs ↗
Kilo Gatewayx-ai/grok-4.5500,000$2.00$6.00Docs ↗
Abacusgrok-4.5500,000$2.00$6.00Docs ↗
302.AIgrok-4.5500,000$2.00$6.00Docs ↗
OpenRouterx-ai/grok-4.5500,000$2.00$6.00Docs ↗
ZenMuxx-ai/grok-4.5500,000$2.00$6.00Docs ↗
Impossiblxai/grok-4.5500,000$2.00$6.00Docs ↗
Cloudflare AI Gatewayxai/grok-4.5500,000$2.00$6.00Docs ↗
xAIgrok-4.5500,000$2.00$6.00Docs ↗
Vercel AI Gatewayspacexai/grok-4.5500,000$2.00$6.00Docs ↗
OrcaRoutergrok/grok-4.5500,000$2.00$6.00Docs ↗
Ofoxx-ai/grok-4.5500,000$2.00$6.00Docs ↗
AIHubMixgrok-4.51,000,000$2.00$6.00Docs ↗
Merge Gatewayxai/grok-4.5500,000$2.00$6.00Docs ↗
Oppergrok-4.5500,000$2.00$6.00Docs ↗
Pioneergrok-4.5500,000$2.00$6.00Docs ↗
GitHub Copilotgrok-4.5500,000$2.00$6.00Docs ↗
OpenCode Gogrok-4.5500,000$2.00$6.00Docs ↗
Eden AIxai/grok-4.5500,000$2.00$6.00Docs ↗
Tempr Gatewayxai/grok-4.5500,000$2.00$6.00Docs ↗
OpenCode Zengrok-4.5500,000$2.00$6.00Docs ↗
Requestygrok-4.5500,000$2.00$6.00Docs ↗
DaoXEgrok-4.5500,000$2.00$6.00Docs ↗
CrossModelx-ai/grok-4.5500,000$2.00$6.00Docs ↗
Venice AIgrok-4-5500,000$2.27$6.80Docs ↗