xAI model product
Grok 4.5
5 is an xAI large language model for coding, agentic tasks, and knowledge work.
Updated Sep 8, 2026. Default version: Grok 4.5
LLMBoard Score76.5Grok 4.5
Coverage20%11 benchmark families
Context window500KTokens
Official input price$2xAI API
Grok 4.5 Capability Profile
This profile uses the model's current scored version. Arena ratings and prices are shown separately.
Grok 4.5 Benchmark Results
Benchmark scores for Grok 4.5.
Sort by
Benchmark | Score | Rank | Participants | Percentile | Evidence | Evaluated |
|---|
| BenchmarkAA-Omniscience Index | Score126.00 points | Rank01 | Participants2 | Percentile100.00% | EvidenceB | Evaluated |
| BenchmarkAutomationBench-AA | Score51.40% | Rank01 | Participants1 | Percentile100.00% | EvidenceB | Evaluated |
| BenchmarkDeepSWE 1.0 | Score62.00% | Rank01 | Participants1 | Percentile100.00% | EvidenceC | Evaluated |
| BenchmarkOmniScience (non-hallucination rate) | Score46.00% | Rank01 | Participants1 | Percentile100.00% | EvidenceB | Evaluated |
| BenchmarkTau3 Banking | Score33.00% | Rank01 | Participants7 | Percentile100.00% | EvidenceB | Evaluated |
| BenchmarkOmniScience | Score52.00% | Rank02 | Participants3 | Percentile50.00% | EvidenceB | Evaluated |
| BenchmarkSWE-Marathon | Score29.00% | Rank04 | Participants5 | Percentile25.00% | EvidenceC | Evaluated |
| BenchmarkArtificial Analysis | Score54.00% | Rank05 | Participants8 | Percentile42.86% | EvidenceB | Evaluated |
| BenchmarkLM Arena Search Factuality | Score1,216.10 rating | Rank05 | Participants28 | Percentile85.19% | EvidenceA | Evaluated |
| BenchmarkSWE-Bench Pro | Score64.70% | Rank06 | Participants55 | Percentile90.74% | EvidenceC | Evaluated |
| BenchmarkLM Arena Agent Tool Hallucination | Score0.78% | Rank06 | Participants49 | Percentile89.58% | EvidenceA | Evaluated |
| BenchmarkLM Arena Search | Score1,212.65 rating | Rank07 | Participants28 | Percentile77.78% | EvidenceA | Evaluated |
| BenchmarkLM Arena Search Style Control | Score1,202.41 rating | Rank08 | Participants28 | Percentile74.07% | EvidenceA | Evaluated |
| BenchmarkDeepSWE | Score53.00% | Rank09 | Participants13 | Percentile33.33% | EvidenceC | Evaluated |
| BenchmarkFrontierCode 1.1 | Score42.40% | Rank09 | Participants17 | Percentile50.00% | EvidenceB | Evaluated |
| BenchmarkGPQA | Score93.00% | Rank10 | Participants247 | Percentile96.34% | EvidenceB | Evaluated |
| BenchmarkLM Arena Agent Bash Recovery Steps | Score9.65% | Rank10 | Participants49 | Percentile81.25% | EvidenceA | Evaluated |
| BenchmarkLM Arena Agent Steerability | Score6.84% | Rank10 | Participants49 | Percentile81.25% | EvidenceA | Evaluated |
| BenchmarkLM Arena Agent Leaderboard | Score5.73% | Rank12 | Participants49 | Percentile77.08% | EvidenceA | Evaluated |
| BenchmarkTerminal-Bench 4.0 | Score12.40% | Rank13 | Participants13 | Percentile0.00% | EvidenceB | Evaluated |
| BenchmarkLM Arena Vision Style Control | Score1,282.18 rating | Rank14 | Participants107 | Percentile87.74% | EvidenceA | Evaluated |
| BenchmarkTerminal-Bench 2.1 | Score83.30% | Rank15 | Participants35 | Percentile58.82% | EvidenceC | Evaluated |
| BenchmarkLM Arena Document | Score1,453.73 rating | Rank16 | Participants33 | Percentile53.13% | EvidenceA | Evaluated |
| BenchmarkLM Arena Document Style Control | Score1,461.97 rating | Rank17 | Participants33 | Percentile50.00% | EvidenceA | Evaluated |
| BenchmarkLM Arena Vision | Score1,291.11 rating | Rank17 | Participants107 | Percentile84.91% | EvidenceA | Evaluated |
| BenchmarkLM Arena Agent Praise Complaint | Score5.07% | Rank18 | Participants49 | Percentile64.58% | EvidenceA | Evaluated |
| BenchmarkLM Arena Agent Task Outcome Explicit | Score6.30% | Rank19 | Participants49 | Percentile62.50% | EvidenceA | Evaluated |
| BenchmarkDeepSWE 1.1 | Score54.00% | Rank21 | Participants31 | Percentile33.33% | EvidenceB | Evaluated |
| BenchmarkLM Arena Text Factuality | Score1,467.75 rating | Rank22 | Participants121 | Percentile82.50% | EvidenceA | Evaluated |
| BenchmarkLM Arena Webdev | Score1,555.87 rating | Rank22 | Participants97 | Percentile78.13% | EvidenceA | Evaluated |
Grok 4.5 Arena Results
Preference and agent-evaluation results for the default version.
Sort by
Arena | Category | Rank | Rating / score | Votes | Observations | Result date |
|---|
| Arenasearch factuality | Categoryoverall | Rank05 | Rating / score1,216.10 | Votes31,505 | ObservationsN/A | Result date |
| Arenaagent tool hallucination | Categoryoverall | Rank06 | Rating / score0.01 | VotesN/A | Observations1.6M | Result date |
| Arenawebdev | Categoryimage to webdev | Rank06 | Rating / score1,574.34 | Votes1,669 | ObservationsN/A | Result date |
| Arenasearch | Categoryoverall | Rank07 | Rating / score1,212.65 | Votes31,505 | ObservationsN/A | Result date |
| Arenavision style control | Categorychinese | Rank07 | Rating / score1,344.47 | Votes307 | ObservationsN/A | Result date |
| Arenasearch style control | Categoryoverall | Rank08 | Rating / score1,202.41 | Votes31,505 | ObservationsN/A | Result date |
| Arenavision style control | Categorydiagram | Rank08 | Rating / score1,319.24 | Votes1,668 | ObservationsN/A | Result date |
| Arenaagent bash recovery steps | Categoryoverall | Rank10 | Rating / score0.10 | VotesN/A | Observations33.9K | Result date |
| Arenaagent steerability | Categoryoverall | Rank10 | Rating / score0.07 | VotesN/A | Observations26.9K | Result date |
| Arenatext factuality | Categoryindustry mathematical | Rank10 | Rating / score1,480.69 | Votes1,020 | ObservationsN/A | Result date |
| Arenavision style control | Categorycreative writing vision | Rank10 | Rating / score1,287.93 | Votes472 | ObservationsN/A | Result date |
| Arenavision style control | Categoryhomework | Rank10 | Rating / score1,324.23 | Votes519 | ObservationsN/A | Result date |
| Arenavision | Categorychinese | Rank11 | Rating / score1,355.56 | Votes307 | ObservationsN/A | Result date |
| Arenavision | Categorydiagram | Rank11 | Rating / score1,317.86 | Votes1,668 | ObservationsN/A | Result date |
| Arenavision | Categoryhomework | Rank11 | Rating / score1,321.26 | Votes519 | ObservationsN/A | Result date |
| Arenaagent | Categoryoverall | Rank12 | Rating / score0.06 | VotesN/A | Observations1.7M | Result date |
| Arenatext factuality | Categorymath | Rank13 | Rating / score1,477.90 | Votes852 | ObservationsN/A | Result date |
| Arenavision | Categorycreative writing vision | Rank13 | Rating / score1,298.32 | Votes472 | ObservationsN/A | Result date |
| Arenavision style control | Categoryhumor | Rank13 | Rating / score1,271.86 | Votes265 | ObservationsN/A | Result date |
| Arenatext factuality | Categoryindustry legal and government | Rank14 | Rating / score1,490.05 | Votes1,821 | ObservationsN/A | Result date |
| Arenavision style control | Categoryocr | Rank14 | Rating / score1,294.37 | Votes4,388 | ObservationsN/A | Result date |
| Arenavision style control | Categoryoverall | Rank14 | Rating / score1,282.18 | Votes6,401 | ObservationsN/A | Result date |
| Arenadocument | Categoryoverall | Rank16 | Rating / score1,453.73 | Votes2,435 | ObservationsN/A | Result date |
| Arenatext factuality | Categoryrussian | Rank16 | Rating / score1,480.89 | Votes2,420 | ObservationsN/A | Result date |
| Arenavision | Categoryhumor | Rank16 | Rating / score1,282.34 | Votes265 | ObservationsN/A | Result date |
| Arenawebdev | Categorywebdev-html | Rank16 | Rating / score1,570.68 | Votes809 | ObservationsN/A | Result date |
| Arenadocument style control | Categoryoverall | Rank17 | Rating / score1,461.97 | Votes2,435 | ObservationsN/A | Result date |
| Arenatext factuality | Categoryindustry life and physical and social science | Rank17 | Rating / score1,493.00 | Votes3,951 | ObservationsN/A | Result date |
| Arenatext style control | Categorycoding | Rank17 | Rating / score1,522.82 | Votes7,383 | ObservationsN/A | Result date |
| Arenatext style control | Categoryindustry mathematical | Rank17 | Rating / score1,493.15 | Votes1,292 | ObservationsN/A | Result date |
Grok 4.5 Pricing
Official vendor API pricing appears first, followed by individual provider offers.
- Official API
- $2 input, $6 output per 1M
- Official provider
- xAI
- Lowest third-party
- From $2 input, $6 output per 1M via OrcaRouter
- Tracked offerings
- 25
Sort by
Provider | Provider model ID | Region | Input / 1M | Output / 1M | Context | Updated |
|---|
| ProviderKenari | Provider model IDgrok-4-5 | Regionglobal | Input / 1MN/A | Output / 1MN/A | Context500K | Updated |
| ProviderOrcaRouter | Provider model IDgrok/grok-4.5 | Regionglobal | Input / 1M$2 | Output / 1M$6 | Context500K | Updated |
| ProviderNanoGPT | Provider model IDx-ai/grok-4.5 | Regionglobal | Input / 1M$2 | Output / 1M$6 | Context500K | Updated |
| ProviderImpossibl | Provider model IDxai/grok-4.5 | Regionglobal | Input / 1M$2 | Output / 1M$6 | Context500K | Updated |
| ProviderOpenRouter | Provider model IDx-ai/grok-4.5 | Regionglobal | Input / 1M$2 | Output / 1M$6 | Context500K | Updated |
| ProviderDaoXE | Provider model IDgrok-4.5 | Regionglobal | Input / 1M$2 | Output / 1M$6 | Context500K | Updated |
| ProviderCrossModel | Provider model IDx-ai/grok-4.5 | Regionglobal | Input / 1M$2 | Output / 1M$6 | Context500K | Updated |
| ProviderOpenCode Go | Provider model IDgrok-4.5 | Regionglobal | Input / 1M$2 | Output / 1M$6 | Context500K | Updated |
| ProviderOpper | Provider model IDxai/grok-4.5 | Regionglobal | Input / 1M$2 | Output / 1M$6 | Context500K | Updated |
| ProviderxAI | Provider model IDgrok-4.5 | Regionglobal | Input / 1M$2 | Output / 1M$6 | Context500K | Updated |
| ProviderMerge Gateway | Provider model IDxai/grok-4.5 | Regionglobal | Input / 1M$2 | Output / 1M$6 | Context500K | Updated |
| ProviderCloudflare AI Gateway | Provider model IDxai/grok-4.5 | Regionglobal | Input / 1M$2 | Output / 1M$6 | Context500K | Updated |
| ProviderZenMux | Provider model IDx-ai/grok-4.5 | Regionglobal | Input / 1M$2 | Output / 1M$6 | Context500K | Updated |
| ProviderOfox | Provider model IDx-ai/grok-4.5 | Regionglobal | Input / 1M$2 | Output / 1M$6 | Context500K | Updated |
| ProviderOpenCode Zen | Provider model IDgrok-4.5 | Regionglobal | Input / 1M$2 | Output / 1M$6 | Context500K | Updated |
| ProviderRequesty | Provider model IDgrok-4.5 | Regionglobal | Input / 1M$2 | Output / 1M$6 | Context500K | Updated |
| ProviderAIHubMix | Provider model IDgrok-4.5 | Regionglobal | Input / 1M$2 | Output / 1M$6 | Context1M | Updated |
| ProviderVercel AI Gateway | Provider model IDspacexai/grok-4.5 | Regionglobal | Input / 1M$2 | Output / 1M$6 | Context500K | Updated |
| ProviderEden AI | Provider model IDxai/grok-4.5 | Regionglobal | Input / 1M$2 | Output / 1M$6 | Context500K | Updated |
| ProviderDevPass (LLM Gateway) | Provider model IDgrok-4-5 | Regionglobal | Input / 1M$2 | Output / 1M$6 | Context500K | Updated |
| ProviderGitHub Copilot | Provider model IDgrok-4.5 | Regionglobal | Input / 1M$2 | Output / 1M$6 | Context500K | Updated |
| ProviderKilo Gateway | Provider model IDx-ai/grok-4.5 | Regionglobal | Input / 1M$2 | Output / 1M$6 | Context500K | Updated |
| ProviderPioneer | Provider model IDgrok-4.5 | Regionglobal | Input / 1M$2 | Output / 1M$6 | Context500K | Updated |
| ProviderAbacus | Provider model IDgrok-4.5 | Regionglobal | Input / 1M$2 | Output / 1M$6 | Context500K | Updated |
| ProviderVenice AI | Provider model IDgrok-4-5 | Regionglobal | Input / 1M$2.27 | Output / 1M$6.8 | Context500K | Updated |
Grok 4.5 Runtime Performance
Provider-specific output speed and catalog latency for Grok 4.5. Runtime does not affect the capability score.
Sort by
Provider | Output Speed | Catalog Latency | Max Input | Max Output | Updated |
|---|
| ProviderxAI | Output Speed80.00 tok/s | Catalog LatencyN/A | Max Input500K | Max OutputN/A | Updated |
Output Speed is generated output tokens received per second. Catalog latency is reported separately from observed provider TTFT.
Grok 4.5 Specifications
Technical details for the model's default version.
- Version
- Grok 4.5
- Released
- Jul 16, 2026
- Knowledge cutoff
- Feb 1, 2026
- Parameters
- N/A
- Context window
- 500K
- Max output
- N/A
- Inputs
- image, text
- Outputs
- text
- Open weights
- No
- License
- Proprietary
Grok 4.5 Versions
Available versions of this model. The score column identifies the version used in the overall ranking.
Sort by
Version | Released | LLMBoard | Parameters | Context | Max output | Open weights | License |
|---|
| VersionGrok 4.5 | Released | LLMBoard76.55 | ParametersN/A | Context500K | Max outputN/A | Open weightsNo | LicenseProprietary |
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What is Grok 4.5?
Key information about Grok 4.5 and its available data.
5 is a model trained alongside Cursor across tens of thousands of NVIDIA GB300 GPUs, with large-scale reinforcement learning focused on multi-step software engineering and other technical work.
It supports text and image inputs, reasoning, function calling, structured outputs, a 500K-token context window, and serving at 80 tokens per second.
Data as of 2026-09-08.
FAQ
Common questions about Grok 4.5.
When was Grok 4.5 released?
Grok 4.5's default version was released on Jul 16, 2026.
How much does Grok 4.5 cost?
Grok 4.5's official API price is $2 per million input tokens and $6 per million output tokens via xAI. The lowest tracked third-party offer starts at $2 input and $6 output via OrcaRouter.
Who created Grok 4.5?
Grok 4.5 was created by xAI.
What is the context window for Grok 4.5?
The default version has a 500K token context window.
Is Grok 4.5 open weight?
No. The default version is not marked as having publicly available weights.
How many API providers offer Grok 4.5?
25 provider offerings are linked to the default version.