grok-4

Image Generation Quality Mode is now available on the xAI API. This model has already powered the generation of over 300 million images on Grok. It brings higher realism, stronger text rendering, and

Image Generation Quality Mode is now available on the xAI API. This model has already powered the generation of over 300 million images on Grok. It brings higher realism, stronger text rendering, and better creative control for business professionals. https://t.co/se5D7T5RJW

SpaceXAI will provide @AnthropicAI with access to Colossus 1, one of the world’s largest and fastest-deployed AI supercomputers, to provide additional capacity for Claude → https://t.co/nfDR9S822L htt

SpaceXAI will provide @AnthropicAI with access to Colossus 1, one of the world’s largest and fastest-deployed AI supercomputers, to provide additional capacity for Claude → https://t.co/nfDR9S822L https://t.co/EQAz0S84m2

Two voices. One human. One AI. Can you guess the AI clone? 👇 Voice cloning, rich with natural emotion, is now live on the Grok Voice API. https://t.co/EjxjXstoiL https://t.co/OkGeua3H1g

Voice Cloning is now live via the xAI API! Create a custom voice in less than 2 minutes or select from our library of 80+ voices across 28 languages to personalize your voice agents, audiobooks, video

Voice Cloning is now live via the xAI API! Create a custom voice in less than 2 minutes or select from our library of 80+ voices across 28 languages to personalize your voice agents, audiobooks, video game characters, and more. https://t.co/EjxjXssQtd https://t.co/iR8AW2UOgo

Introducing Grok Voice Think Fast 1.0 A state-of-the-art voice model built for complex, multi-step workflows with snappy responses and high accuracy. It takes the top spot on the Tau Voice Bench and h

Introducing Grok Voice Think Fast 1.0 A state-of-the-art voice model built for complex, multi-step workflows with snappy responses and high accuracy. It takes the top spot on the Tau Voice Bench and handles real-world messiness like noise, accents, and interruptions better than

Grok's Speech to Text API is now available. Instant, multi-speaker transcription across 25 languages - at the best price in the market. https://t.co/eGbB2bDtZf

Grok Image Generation Release

On web and mobile, you can try Quality mode by selecting it in the prompt bar. Our previous model will still be available when you select Speed. Share your images, tag @imagine, and let us know what y

On web and mobile, you can try Quality mode by selecting it in the prompt bar. Our previous model will still be available when you select Speed. Share your images, tag @imagine, and let us know what you think. We read all your replies. Try it now: https://t.co/zGhs9czkC5

Grok 4 Benchmark Update

Quality: 41.5/100 | Price: $6/M tokens | Output: 43.777 tok/s | MMLU: 0.866% | HumanEval: 0.819%

Grok 4 Benchmark Update

Quality: 41.5/100 | Price: $6/M tokens | Output: 43.649 tok/s | MMLU: 0.866% | HumanEval: 0.819%

Grok 4 Benchmark Update

Quality: 41.5/100 | Price: $6/M tokens | Output: 43.186 tok/s | MMLU: 0.866% | HumanEval: 0.819%

Grok 4 Benchmark Update

Quality: 41.5/100 | Price: $6/M tokens | Output: 43.066 tok/s | MMLU: 0.866% | HumanEval: 0.819%

Grok 4 Benchmark Update

Quality: 41.5/100 | Price: $6/M tokens | Output: 45.246 tok/s | MMLU: 0.866% | HumanEval: 0.819%

Grok 4 Benchmark Update

Quality: 41.5/100 | Price: $6/M tokens | Output: 48.4 tok/s | MMLU: 0.866% | HumanEval: 0.819%

Grok 4 Benchmark Update

Quality: 41.5/100 | Price: $6/M tokens | Output: 49.398 tok/s | MMLU: 0.866% | HumanEval: 0.819%

Grok 4 Benchmark Update

Quality: 41.5/100 | Price: $6/M tokens | Output: 43.042 tok/s | MMLU: 0.866% | HumanEval: 0.819%

Grok 4.1 benchmark update

xAI published official provider-reported benchmark evidence for Grok 4.1.

Grok 4 Model Card

benchmarks. Because our models push the frontier of AI capabilities, we are committed to mitigating Our approach to safety evaluations focuses on measuring specific safety-relevant behaviors relevant to our current evaluation methodology, results, and mitigations for these various behaviors.