Context
131K
Max output
131K
Serving providers
1
Cheapest input
$5.00 /1M
On-demand listed rates, OpenRouter routed quotes and Vercel reseller quotes. Enterprise commitments (committed-use discounts, provisioned throughput, negotiated rates) can be materially lower.
Benchmarks
independent evaluations · source: Artificial AnalysisHeadline indices
Individual benchmarks · click a row for effort variants
| Benchmark | Best score | Effort | Cost / task | |
|---|---|---|---|---|
| CritPt | 0% | default | — | |
| GPQA Diamond | 61% | default | — | |
| Humanity's Last Exam | 5% | default | — | |
| IFBench | 38% | default | — | |
| LiveCodeBench | 40% | default | — | |
| Long-Context Reasoning | 24% | default | — | |
| MMLU-ProFrozen Aug 18, 2026 | 73% | default | — | |
| MMMU-Pro | 48% | default | — | |
| Omniscience | -54.4 | default | — | |
| Omniscience Accuracy | 0.2 | default | — | |
| Omniscience Non Hallucination | 0.1 | default | — | |
| SciCodeArtificial Analysis did not report this score in its latest run on Oct 14, 2026 | 33% | — | — | |
| TerminalBench Hard | 12% | default | — | |
| τ²-bench | 64% | default | — |
Artificial Analysis last published scores for this benchmark on Aug 18, 2026. Scores here are frozen at that date, and models released since are not on it.
Pricing by serving provider
standard tier · per 1M tokens · click a provider to expand| Serving provider | Input /1M | Output /1M | Endpoints | ||||||||||
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| OCICheapest | $5.00 | $25.00 | 1 | ||||||||||
Standardoci/xai.grok-4-fast
| |||||||||||||
Price history
listed seller prices, input and output per 1M tokens Input Output
Cost calculator
estimate your monthly spend on this model$3,000
estimated / month
Model IDs
copy the exact identifier for your platformoci/xai.grok-4-fast
Frequently asked questions
Grok 4 Fast pricing, context and availabilityHow much does Grok 4 Fast cost?
Grok 4 Fast costs $5.00 per 1M input tokens from OCI, and $25.00 per 1M output tokens from OCI.
What is the context window of Grok 4 Fast?
Grok 4 Fast accepts up to 131K tokens of context and can return up to 131K output tokens.
What can Grok 4 Fast do?
Grok 4 Fast supports tool use.
Other xAI models
compare pricing across the xAI lineup Listed prices from LiteLLM, OpenRouter and Vercel · last checked Oct 14, 2026
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