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xAI

AI models from xAI: 28 models in the catalog, version timeline, prices and sourced benchmarks.

  • 28 models in the catalog
  • 2 with open weights
  • 26 closed or without public weights
  • 9 with sourced benchmarks
  • 12 with a page here

We count grouped models: Instruct, Base, quantized and size variants of the same line become one. Behind that there are 2 Hugging Face repositories, 10 OpenRouter endpoints and 26 historical records at Epoch AI.

Version timeline by family

Main model lines

202420242025202520262026Grok1Grok 1, 2023Grok 0, 20231.5Grok 1.5, 20242Grok 2, 20243Grok 3, 20254Grok 4, 20254.1Grok 4.1, 20254.20Grok 4.20, 2026Grok 4.3, 20264.5Grok 4.5, 2026Grok 4.6, 20264.7Grok 4.7, 2026Grok Image Generation…Grok Image Generation / AuroraGrok Image …Grok Image Generation / Aurora, 2024Grok Code Fast1Grok Code Fast 1, 2025Grok ImagineGrok ImagineGrok Imagine, 2025Grok Voice Think Fast1.0Grok Voice Think Fast 1.0, 2026Grok Build0.1Grok Build 0.1, 2026Grok Voice2.0Grok Voice 2.0, 20263.0Grok Voice 3.0, 2026Grok Imagine Video1.5Grok Imagine Video 1.5, 2026202420242025202520262026Grok1Grok 1, 2023Grok 0, 20231.5Grok 1.5, 20242Grok 2, 20243Grok 3, 20254Grok 4, 20254.1Grok 4.1, 2025Grok 4.20, 20264.3Grok 4.3, 2026Grok 4.5, 20264.6Grok 4.6, 2026Grok 4.7, 2026Grok Image Generation / AuroraGrok Image Generation / Aurora, 2024Grok Code Fast1Grok Code Fast 1, 2025Grok ImagineGrok Imagine, 2025Grok Voice Think Fast1.0Grok Voice Think Fast 1.0, 2026Grok Build0.1Grok Build 0.1, 2026Grok Voice2.0Grok Voice 2.0, 2026Grok Voice 3.0, 2026Grok Imagine Video1.5Grok Imagine Video 1.5, 2026

Tap a point to see the version.Tap or hover over a point to see the version. Dates come from the sources: OpenRouter listing or Hugging Face repo creation, which may differ from the official launch. Family and version were grouped by rule from the name.

Version scores over time

0%25%50%75%100%20252026GPQA Diamond: Grok-2, 53.8%, 2024GPQA Diamond: Grok 3, 75.8%, 2025GPQA Diamond: Grok-3 mini, 76.3%, 2025GPQA Diamond: Grok 4, 87%, 2025GPQA Diamond: Grok 4.20, 89.3%, 2026GPQA Diamond: Grok 4.3 Beta, 88.8%, 2026GPQA Diamond: Grok 4.5, 93.4%, 2026GPQA Diamond: Grok 4.6, 94%, 2026GPQA Diamond: Grok 4.7, 92.7%, 2026GPQA Diamond (OpenRouter): Grok 4.6, 92.8%, 2026GPQA Diamond (OpenRouter): Grok 4.7, 91.9%, 2026OTIS Mock AIME: Grok-2, 11.5%, 2024OTIS Mock AIME: Grok 3, 55.6%, 2025OTIS Mock AIME: Grok-3 mini, 77.8%, 2025OTIS Mock AIME: Grok 4, 84%, 2025OTIS Mock AIME: Grok 4.20, 92.2%, 2026OTIS Mock AIME: Grok 4.3 Beta, 93.3%, 2026OTIS Mock AIME: Grok 4.5, 97.8%, 2026OTIS Mock AIME: Grok 4.6, 99.2%, 2026OTIS Mock AIME: Grok 4.7, 98.1%, 2026
  • GPQA Diamond
  • GPQA Diamond (OpenRouter)
  • OTIS Mock AIME

Source: Epoch AI, OpenRouter, latest version we checked.

Version prices over time (US$ per 1M tokens, log scale) ?what it is

$1.00$10.00input: Grok 4.20 Multi-Agent, US$ 1.25, 2026input: Grok 4.20, US$ 1.25, 2026input: Grok 4.3, US$ 1.25, 2026input: Grok Build 0.1, US$ 1.00, 2026input: Grok 4.5, US$ 2.00, 2026input: Grok 4.6, US$ 2.00, 2026input: Grok 4.7, US$ 2.00, 2026output: Grok 4.20 Multi-Agent, US$ 2.50, 2026output: Grok 4.20, US$ 2.50, 2026output: Grok 4.3, US$ 2.50, 2026output: Grok Build 0.1, US$ 2.00, 2026output: Grok 4.5, US$ 6.00, 2026output: Grok 4.6, US$ 6.00, 2026output: Grok 4.7, US$ 6.00, 2026
  • input
  • output

Source: OpenRouter, latest version we checked. Dates come from the sources: OpenRouter listing or Hugging Face repo creation, which may differ from the official launch.

Models with a page (12)

ModelFamilyWeightsUse casesInput US$/1MContextGPQADates in sources
Grok 4.7Grok 4closedText, AgentsUS$ 2.00500,00092.7%2026
Grok 4.6Grok 4closedText, AgentsUS$ 2.00500,00094%2026
Grok 4.5GrokclosedText, AgentsUS$ 2.00500,00093.4%2026
Grok Build 0.1Grok BuildundisclosedText, AgentsUS$ 1.00256,000no data2026
Grok 4.3GrokundisclosedText, AgentsUS$ 1.251,000,000no data2026
Grok 4.3 BetaGrok BetaclosedTextno datano data88.8%2026
Grok 4.20 Multi-AgentGrok Multi AgentundisclosedTextUS$ 1.252,000,000no data2026
Grok 4.20GrokclosedText, AgentsUS$ 1.252,000,00089.3%2026
Grok 4GrokclosedTextno datano data87%2025
Grok 3GrokclosedTextno datano data75.8%2025
Grok-3 miniGrok miniclosedTextno datano data76.3%2025
Grok-2GrokclosedTextno datano data53.8%2024

Other lab models in the catalog (9)

ModelModalityWeightsContextInput US$/1MDownloads (30 days)1ª
grok-1textoopenno datano data3,1592023
grok-2multimodal, sem rótuloopenno datano data5,9782024
grok-4.20multimodal, textoclosed or without public weights2,000,000US$ 1.25no data2026
grok-4.20-multi-agentmultimodalclosed or without public weights2,000,000US$ 1.25no data2026
grok-4.3multimodalclosed or without public weights1,000,000US$ 1.00no data2026
grok-build-0.1multimodal, textoclosed or without public weights256,000US$ 1.00no data2026
grok-4.5multimodal, textoclosed or without public weights500,000US$ 2.00no data2026
grok-4.6multimodalclosed or without public weights500,000US$ 1.60no data2026
grok-4.7multimodal, textoclosed or without public weights500,000US$ 1.60no data2026

Sources

  • Hugging Face Hub, metadados públicos do Hub; licença de cada modelo no repositório, latest version we checked.
  • OpenRouter, dados públicos da API; exports de benchmarks e rankings em CC BY 4.0, latest version we checked.
  • Epoch AI, CC BY 4.0, latest version we checked.

Dates come from the sources: OpenRouter listing or Hugging Face repo creation, which may differ from the official launch. Family and version were grouped by rule from the name.