Model Tracker
Grok-2
Grok-2 is an AI model made by xAI. xAI released it on 13 August 2024. Through the API it costs $2.00 per 1M tokens for input and $10.
Grok-2 is an AI model made by xAI. xAI released it on 13 August 2024. Through the API it costs $2.00 per 1M tokens for input and $10.00 per 1M tokens for output.
- Released
- 13 August 2024 — x.ai, read 16 October 2026
- Status
- Not confirmed: The August 13, 2024 announcement calls Grok-2 an early preview and says it is in beta on X, but the maker pages reviewed do not state its current status.
- Takes
- Not confirmed: two readings disagree: text and text, image
- Returns
- Text — docs.x.ai, read 16 October 2026
- Open weights
- Not confirmed: The maker pages reviewed do not state whether Grok-2 weights are open.
- Licence
- Not confirmed: The maker pages reviewed do not name a licence for Grok-2.
- Context window
- Not confirmed: The API example gives maxPromptLength as 131072 but does not state its unit or identify it as the context window.
- Longest answer
- Not confirmed: The maker pages reviewed do not print a standard maximum output limit for Grok-2.
- Knowledge cutoff
- Not confirmed: The maker pages reviewed do not state Grok-2's knowledge cutoff.
- API price, input
- $2.00 per 1M tokens — x.ai, read 16 October 2026
- API price, output
- $10.00 per 1M tokens — x.ai, read 16 October 2026
- Where
- Not confirmed: two readings disagree: api and api, app
- Parameters
- Not confirmed: The maker pages reviewed do not publish a parameter count for Grok-2.
- Model card
- Not confirmed: No Grok-2 model card or system card was identified on the maker pages reviewed.
Benchmarks
Measured by others, not by the maker: each score with the name the measurer gives the model and the setting it ran, its day and its licence.
Arena
- Text Arena, grok-2-2024-08-13: 1,336 (1,332–1,339, 63,498 votes), published 15 October 2026
Arena’s leaderboard dataset (lmarena-ai/leaderboard-dataset on Hugging Face), CC BY 4.0: ratings from people’s votes between two anonymous models, as Arena publishes them. Data · CC BY 4.0
Epoch AI
- Epoch Capabilities Index, Grok-2 (Dec 2024): 130.5 (125.6–132.3), as of 19 October 2026
- GPQA Diamond, grok-2-1212: 53.8% (± 2.7), run 27 January 2025
- OTIS Mock AIME 2024–2025, grok-2-1212: 11.5% (± 3.4), run 25 February 2025
Epoch AI, ‘Capabilities & benchmarking’, epoch.ai/benchmarks, CC BY 4.0: Epoch AI’s own runs and its Capabilities Index. Data · CC BY 4.0
Questions
When was Grok-2 released?
xAI released Grok-2 on 13 August 2024.
How much does the Grok-2 API cost?
On the standard tier, Grok-2 costs $2.00 per 1M tokens for input and $10.00 per 1M tokens for output, as xAI lists it.
More from xAI
- Grok 3
- Grok 3 (Think)
- Grok 3 mini
- Grok 3 mini (Think)
- Grok 4
- Grok 4 Fast
- Grok 4 Heavy
- Grok 4.1
- Grok 4.1 Fast
- Grok 4.20
- Grok 4.20 Multi-Agent Beta
- Grok 4.3
- Grok 4.5
- Grok 4.6
- Grok 4.7
- Grok Build 0.1
- Grok Code Fast 1
- Grok Imagine Image 2.0
- Grok Imagine Video 1.5
- Grok Voice 1.0
- Grok Voice 2.0
- Grok Voice 3.0
- Grok-1
- Grok-1.5V
Sources
- Grok-2 Beta Release (read 16 October 2026)
- Accounts and Authorization (read 16 October 2026)
- Bringing Grok to Everyone (read 16 October 2026)