X Introduces Grok-4 Flagship Model with 256k Context Window and New Enterprise Features
What happened
Between the Jul 6, 2025 and Oct 11, 2025 captures of X's pricing page, Pulse recorded 11 changes: grok-2-vision-1212 multimodal model discontinued; grok-4 flagship model introduced with 256k context window at $3.00 input/$15.00 output per million tokens; grok-4-fast-non-reasoning model introduced with 2M context window at $0.20 input/$0.50 output per million tokens; grok-code-fast-1 model introduced with 256k context window at $0.20 input/$1.50 output per million tokens; grok-3-mini context window increased from 131072 to 132k tokens; Enterprise section introduced with SSO, audit logging, authorization controls, compliance features (SOC 2 Type 2, GDPR, CCPA, Zero Data Retention), and data residency; Search feature changed from 'Coming soon' to 'New' with real-time capability now available; grok-3-beta renamed to grok-3 (dropped beta designation); grok-4-fast-reasoning model introduced with 2M context window at $0.20 input/$0.50 output per million tokens; grok-3 context window increased from 131072 to 132k tokens; grok-3-mini-beta renamed to grok-3-mini (dropped beta designation). Pulse files it as a packaging change (plan removed, new plan, limit increase, feature added, feature change, plan renamed) with a downward direction. Pulse's latest capture (Oct 12, 2026) lists grok-4.3 at $1.25 per 1M input tokens + $2.5 per 1M output tokens, grok-build-0.1 at $1 per 1M input tokens + $2 per 1M output tokens, grok-imagine-image-quality at $0.01 per input image + $0.05 per output image (1K resolution), grok-imagine-image at $0 per input image + $0.02 per output image (1K resolution) and grok-imagine-video at $0.01 per input second of video + $0 per input image.
This is the first pricing-page change Pulse has recorded for X. X has been tracked since 2025-10-11.
In the same window You.com, fal, Voxel51, Upstage and Together AI also changed their AI & Machine Learning pricing pages. Those moves are listed further down, and the Pulse Agent can compare them side by side.
- — · PlanRemoved
Beforegrok-2-vision-1212 multimodal model
AfterNot listed
- — · PlanAddedNo grok-4 flagship modelgrok-4 flagship model
- — · PlanAdded
BeforeNot listed
Aftergrok-4-fast-non-reasoning model
- — · PlanAdded
BeforeNo grok-code-fast-1 model
Aftergrok-code-fast-1 model
- — · Limit+1%131072132k tokens
- Enterprise · FeatureAddedNo Enterprise sectionEnterprise section
- — · FeatureRewordedComing soonNew
- — · PlanRenamedgrok-3-betagrok-3
- — · PlanAdded
BeforeNo grok-4-fast-reasoning model
Aftergrok-4-fast-reasoning model
- — · Limit+1%131072132k tokens
- — · PlanRenamedgrok-3-mini-betagrok-3-mini
| Plan | Field | Before | After | Change |
|---|---|---|---|---|
| — | Plan | grok-2-vision-1212 multimodal model | Not listed | Removed |
| — | Plan | No grok-4 flagship model | grok-4 flagship model | Added |
| — | Plan | Not listed | grok-4-fast-non-reasoning model | Added |
| — | Plan | No grok-code-fast-1 model | grok-code-fast-1 model | Added |
| — | Limit | 131072 | 132k tokens | +1% |
| Enterprise | Feature | No Enterprise section | Enterprise section | Added |
| — | Feature | Coming soon | New | Reworded |
| — | Plan | grok-3-beta | grok-3 | Renamed |
| — | Plan | No grok-4-fast-reasoning model | grok-4-fast-reasoning model | Added |
| — | Limit | 131072 | 132k tokens | +1% |
| — | Plan | grok-3-mini-beta | grok-3-mini | Renamed |
Values as written on X's public pricing page in the two captures Pulse compared; where the page states no number, the cells give the wording before and after.
Evidence
The two captures Pulse comparedFull-page captures of X's pricing page (x.ai) from Jul 6, 2025 and Oct 11, 2025; the change is marked around the middle of the page, where the grok-2-vision-1212 multimodal model no longer appears.
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The two full-page captures with this change marked up are free with an account.
X, pricing history
Full history- May 5, 2026decreaseX debuts grok-4.3 at $1.25/$2.50 per 1M tokens, slashes grok-4.20 rates
- Feb 18, 2026improvedX adds real-time voice AI, drops structured outputs from API
- Q4 2025packagingX Introduces New grok-4.1 Models with Enhanced Image Input Pricing and Tool Calling Features
- Q3 2025packagingX Introduces Grok-4 Flagship Model with 256k Context Window and New Enterprise Features · this change
Across AI & Machine Learning in the same window
All AI & Machine Learning changes- You.comAug 4You.com: Web Search API now freemium (free 100/day + $5/1k after)
- falOct 19fal doubles Flux 3 Image edit price to $0.048 per megapixel
- Voxel51Oct 19Voxel51 slashes Custom-tier compute hours 71% as it adds free plan
- UpstageOct 19Upstage API deepens Solar Pro 4 promo to 70% off through Oct 19
- Together AIOct 19Together AI lists Muse Spark Open, Reflection Beam, Nemotron 3.5 Super VL
Questions about this change
Did X raise prices in October 2025?
No list-price increase was recorded between Jul 6, 2025 and Oct 11, 2025. The change Pulse detected was a packaging change: plan removed, new plan, limit increase, feature added, feature change, plan renamed.
What changed on X's pricing page between Jul 6, 2025 and Oct 11, 2025?
Plan: grok-2-vision-1212 multimodal model → Not listed, removed; plan: No grok-4 flagship model → grok-4 flagship model, added; plan: Not listed → grok-4-fast-non-reasoning model, added; plan: No grok-code-fast-1 model → grok-code-fast-1 model, added; limit: 131072 → 132k tokens (+1%); Enterprise feature: No Enterprise section → Enterprise section, added; feature: Coming soon → New, reworded; plan: grok-3-beta → grok-3, renamed; plan: No grok-4-fast-reasoning model → grok-4-fast-reasoning model, added; limit: 131072 → 132k tokens (+1%); plan: grok-3-mini-beta → grok-3-mini, renamed. Pulse compared the captures it took on Jul 6, 2025 and Oct 11, 2025; the before/after table above lists each item as written on the page.
How often does X change its pricing?
Pulse recorded 0 other pricing-page changes for X in the 90 days before this one; X has been tracked since 2025-10-11.