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Language 8
All language models →| Model | Status | Context | Max output | Input / 1M | Output / 1M |
|---|---|---|---|---|---|
| Grok 4.7Available | Available · Partly verified | 500K | 500K | $2.00 | $6.00 |
| Grok 4.6Available | Available · Partly verified | 500K | 500K | $2.00 | $6.00 |
| Grok 4.5Available | Available · Partly verified | 500K | 500K | $2.00 | $6.00 |
| Grok Build 0.1Available | Available · Partly verified | 256K | 256K | $1.00 | $2.00 |
| Grok 4.20Available | Available · Partly verified | 1M | 30K | $1.25 | $2.50 |
| Grok 4.20 Multi-AgentAvailable | Available · Partly verified | 1M | 30K | $1.25 | $2.50 |
| Grok 4.20 (Non-Reasoning)Available | Available · Partly verified | 1M | 30K | $1.25 | $2.50 |
| Grok 4.3Available | Available · Partly verified | 1M | 30K | $1.25 | $2.50 |
Image 1
All image models →| Model | Status | Per image | Max size | Editing | Arena text-to-image |
|---|---|---|---|---|---|
| Grok Imagine Image 2.0Available | Available | $0.080 | — | 1,319 |
Video 2
All video models →| Model | Status | Per second | Max length | Audio | Arena text-to-video |
|---|---|---|---|---|---|
| Grok Imagine Video 1.5Available | Available · Partly verified | $0.29 | 15s | 1,488 | |
| Grok Imagine Video 1.5 LiteAvailable | Available · Partly verified | $0.020 | — | — |
Speech to text 1
All speech to text models →| Model | Status | Per minute | Languages | Streaming | Diarization |
|---|---|---|---|---|---|
| Grok Voice Transcribe 2.0Available | Available · Partly verified | — | 38 |
Realtime voice 2
All realtime voice models →| Model | Status | Context | Audio in / 1M | Audio out / 1M | Per minute |
|---|---|---|---|---|---|
| Grok Voice 3.0Available | Available · Partly verified | — | — | — | — |
| Grok Voice 2.0Available | Available | — | — | — | $0.080 |
Official policies
The maker’s own pages on how its API uses and keeps your data, its privacy and usage policies, terms and SLA. Linked as published; we don’t summarise them.
- Data retention FAQ - API Security (Developers) | SpaceXSI Docs ↗ (opens in a new tab) Checked Nov 11, 2026
- Privacy policy Privacy Policy | SpaceXSI ↗ (opens in a new tab) Checked Nov 11, 2026
- Usage policy Acceptable Use Policy | SpaceXSI ↗ (opens in a new tab) Checked Nov 11, 2026
- Terms of service Terms of Service - Enterprise | SpaceXSI ↗ (opens in a new tab) Checked Nov 11, 2026
Every model, by year
grey: retired2026
Date not stated
xAI news
All news →- Nov 2, 2026Retirement xAI retires Grok Imagine Image Quality Requests to grok-imagine-image-quality and grok-imagine-image-pro are now served by grok-imagine-image-2.0-low, using grok-imagine-image-2.0 with quality set to low at a lower per-image price.
- Oct 14, 2026Release xAI releases Grok Voice 3.0 Grok Voice 3.0 is available for Speech to Speech at the same price as Grok Voice 2.0. The grok-voice-latest alias now routes to Grok Voice 3.0, upgrading sessions that use it automatically.
- Oct 14, 2026Retirement xAI deprecates Grok Voice 2.0 xAI deprecated grok-voice-2.0 on October 14, 2026. Developers can migrate to grok-voice-3.0 or grok-voice-latest at the same price.
- Oct 12, 2026Plans xAI launches The X Subscription The X Subscription combines Grok, Cursor, and X, with new customers able to sign up starting October 12, 2026. Plans range from free to $200 per month; existing SuperGrok, Cursor, and X Premium plans remain available to current subscribers but are closed to new sign-ups.
- Oct 3, 2026Retirement xAI retires grok-voice-transcribe-1.0 grok-voice-transcribe-1.0 reached end of life on October 2, 2026. Requests to its slug are routed to grok-voice-transcribe-2.0 at the same price.
- Sep 21, 2026Release xAI releases Grok 4.7 500K-token context window. On xAI API: $2.00 input, $6.00 output per 1M tokens.