XA
Grok Code Fast 1
xAI
xAI model product
Grok 4.3
3 is xAI's newest flagship general-purpose model.
Updated Aug 17, 2026. Default version: Grok 4.3
LLMBoard Score40.5Grok 4.3
Coverage0%1 benchmark families
Context window1MTokens
Official input price$1.25xAI API
Grok 4.3 Benchmark Results
Benchmark scores for Grok 4.3.
Sort by
Benchmark | Score | Rank | Participants | Percentile | Evidence | Evaluated |
|---|
| BenchmarkFinance Agent v2 | Score37.7% | Rank19 | Participants26 | Percentile28.0% | EvidenceB | Evaluated |
Grok 4.3 Arena Results
Preference and agent-evaluation results for the default version.
Sort by
Arena | Category | Rank | Rating / score | Votes | Observations | Result date |
|---|
| Arenasearch style control | Categoryoverall | Rank16 | Rating / score1190.5 | Votes68,373 | ObservationsN/A | Result date |
| Arenasearch factuality | Categoryoverall | Rank19 | Rating / score1173.3 | Votes68,373 | ObservationsN/A | Result date |
| Arenaagent tool hallucination | Categoryoverall | Rank21 | Rating / score0.0 | VotesN/A | Observations1.1M | Result date |
| Arenasearch | Categoryoverall | Rank21 | Rating / score1163.2 | Votes68,373 | ObservationsN/A | Result date |
| Arenaagent tool hallucination | Categoryoverall | Rank25 | Rating / score0.0 | VotesN/A | Observations1.5M | Result date |
| Arenaagent steerability | Categoryoverall | Rank39 | Rating / score-0.1 | VotesN/A | Observations81.5K | Result date |
| Arenaagent steerability | Categoryoverall | Rank40 | Rating / score-0.1 | VotesN/A | Observations67K | Result date |
| Arenaagent | Categoryoverall | Rank41 | Rating / score-0.1 | VotesN/A | Observations1.6M | Result date |
| Arenaagent bash recovery steps | Categoryoverall | Rank41 | Rating / score-0.1 | VotesN/A | Observations49K | Result date |
| Arenaagent praise complaint | Categoryoverall | Rank43 | Rating / score-0.1 | VotesN/A | Observations16K | Result date |
| Arenaagent task outcome explicit | Categoryoverall | Rank43 | Rating / score-0.1 | VotesN/A | Observations43.7K | Result date |
| Arenavision style control | Categoryoverall | Rank44 | Rating / score1244.3 | Votes18,132 | ObservationsN/A | Result date |
| Arenaagent task outcome explicit | Categoryoverall | Rank45 | Rating / score-0.1 | VotesN/A | Observations56.7K | Result date |
| Arenaagent | Categoryoverall | Rank48 | Rating / score-0.1 | VotesN/A | Observations1.3M | Result date |
| Arenaagent bash recovery steps | Categoryoverall | Rank48 | Rating / score-0.4 | VotesN/A | Observations52K | Result date |
| Arenaagent praise complaint | Categoryoverall | Rank48 | Rating / score-0.2 | VotesN/A | Observations19.6K | Result date |
| Arenavision | Categoryoverall | Rank60 | Rating / score1231.3 | Votes18,132 | ObservationsN/A | Result date |
| Arenatext style control | Categoryoverall | Rank77 | Rating / score1441.4 | Votes56,645 | ObservationsN/A | Result date |
| Arenawebdev | Categoryoverall | Rank84 | Rating / score1354.3 | Votes12,269 | ObservationsN/A | Result date |
| Arenatext factuality | Categoryoverall | Rank99 | Rating / score1428.6 | Votes56,574 | ObservationsN/A | Result date |
| Arenatext | Categoryoverall | Rank136 | Rating / score1397.5 | Votes56,645 | ObservationsN/A | Result date |
Grok 4.3 Pricing
Official vendor API pricing appears first, followed by individual provider offers.
- Official API
- $1.25 input, $2.5 output per 1M
- Official provider
- xAI
- Lowest third-party
- From $1.25 input, $2.5 output per 1M via OrcaRouter
- Tracked offerings
- 22
Sort by
Provider | Provider model ID | Region | Input / 1M | Output / 1M | Context | Updated |
|---|
| ProviderOrcaRouter | Provider model IDgrok/grok-4.3 | Regionglobal | Input / 1M$1.25 | Output / 1M$2.5 | Context1M | Updated |
| ProviderNanoGPT | Provider model IDx-ai/grok-4.3 | Regionglobal | Input / 1M$1.25 | Output / 1M$2.5 | Context1M | Updated |
| ProviderImpossibl | Provider model IDxai/grok-4.3 | Regionglobal | Input / 1M$1.25 | Output / 1M$2.5 | Context1M | Updated |
| ProviderOpenRouter | Provider model IDx-ai/grok-4.3 | Regionglobal | Input / 1M$1.25 | Output / 1M$2.5 | Context1M | Updated |
| ProviderAuriko | Provider model IDgrok-4.3 | Regionglobal | Input / 1M$1.25 | Output / 1M$2.5 | Context1M | Updated |
| ProviderDaoXE | Provider model IDgrok-4.3 | Regionglobal | Input / 1M$1.25 | Output / 1M$2.5 | Context1M | Updated |
| ProviderCrossModel | Provider model IDx-ai/grok-4.3 | Regionglobal | Input / 1M$1.25 | Output / 1M$2.5 | Context1M | Updated |
| ProviderAmazon Bedrock | Provider model IDxai.grok-4.3 | Regionglobal | Input / 1M$1.25 | Output / 1M$2.5 | Context1M | Updated |
| ProviderxAI | Provider model IDgrok-4.3 | Regionglobal | Input / 1M$1.25 | Output / 1M$2.5 | Context1M | Updated |
| ProviderMerge Gateway | Provider model IDxai/grok-4.3 | Regionglobal | Input / 1M$1.25 | Output / 1M$2.5 | Context1M | Updated |
| ProviderFastRouter | Provider model IDx-ai/grok-4.3 | Regionglobal | Input / 1M$1.25 | Output / 1M$2.5 | Context1M | Updated |
| ProviderZenMux | Provider model IDx-ai/grok-4.3 | Regionglobal | Input / 1M$1.25 | Output / 1M$2.5 | Context1M | Updated |
| ProviderOfox | Provider model IDx-ai/grok-4.3 | Regionglobal | Input / 1M$1.25 | Output / 1M$2.5 | Context1M | Updated |
| ProviderFrogBot | Provider model IDgrok-4-3 | Regionglobal | Input / 1M$1.25 | Output / 1M$2.5 | Context1M | Updated |
| ProviderAIHubMix | Provider model IDgrok-4.3 | Regionglobal | Input / 1M$1.25 | Output / 1M$2.5 | Context1M | Updated |
| ProviderVercel AI Gateway | Provider model IDxai/grok-4.3 | Regionglobal | Input / 1M$1.25 | Output / 1M$2.5 | Context1M | Updated |
| ProviderEden AI | Provider model IDxai/grok-4.3 | Regionglobal | Input / 1M$1.25 | Output / 1M$2.5 | Context1M | Updated |
| ProviderLLM Gateway | Provider model IDgrok-4-3 | Regionglobal | Input / 1M$1.25 | Output / 1M$2.5 | Context1M | Updated |
| ProviderKilo Gateway | Provider model IDx-ai/grok-4.3 | Regionglobal | Input / 1M$1.25 | Output / 1M$2.5 | Context1M | Updated |
| ProviderAbacus | Provider model IDgrok-4.3 | Regionglobal | Input / 1M$1.25 | Output / 1M$2.5 | Context1M | Updated |
| ProviderVenice AI | Provider model IDgrok-4-3 | Regionglobal | Input / 1M$1.42 | Output / 1M$2.83 | Context1M | Updated |
Official prices use only the vendor's configured official Provider and positive standard USD PAYG rates. Third-party offers remain explicitly labeled.
Grok 4.3 Runtime Performance
Provider-specific output speed and catalog latency for Grok 4.3. Runtime does not affect the capability score.
No runtime data
Browse runtime rankingsNo provider-specific speed or latency record is linked to the default version yet.
Output Speed is generated output tokens received per second. Catalog latency is reported separately from observed provider TTFT.
Grok 4.3 Specifications
Technical details for the model's default version.
- Version
- Grok 4.3
- Released
- May 6, 2026
- Knowledge cutoff
- Unknown
- Parameters
- N/A
- Context window
- 1M
- Max output
- 30K
- Inputs
- image, pdf, text
- Outputs
- text
- Open weights
- No
- License
- Proprietary
Grok 4.3 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 4.3 | Released | LLMBoard40.5 | ParametersN/A | Context1M | Max output30K | Open weightsNo | LicenseProprietary |
Grok 4.3 vs nearby models
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What is Grok 4.3?
Key information about Grok 4.3 and its available data.
3 is xAI's newest flagship general-purpose model.
xAI describes it as the most intelligent and fastest model it has built, with a 1 million token context window, reasoning support, function calling, structured outputs, prompt caching, and industry-leading non-hallucination, agentic tool calling, and instruction-following capabilities.
Data as of 2026-08-17.
FAQ
Common questions about Grok 4.3.
When was Grok 4.3 released?
Grok 4.3's default version was released on May 6, 2026.
How much does Grok 4.3 cost?
Grok 4.3's official API price is $1.25 per million input tokens and $2.5 per million output tokens via xAI. The lowest tracked third-party offer starts at $1.25 input and $2.5 output via OrcaRouter.
Who created Grok 4.3?
Grok 4.3 was created by xAI.
What is the context window for Grok 4.3?
The default version has a 1M token context window.
Is Grok 4.3 open weight?
No. The default version is not marked as having publicly available weights.
How many API providers offer Grok 4.3?
22 provider offerings are linked to the default version.
What models should I compare Grok 4.3 with?
Nearby ranked alternatives include Command A+, Laguna XS 2.1, Qwen3.5 9B.