X debuts grok-4.3 at $1.25/$2.50 per 1M tokens, slashes grok-4.20 rates
What happened
Between the Apr 27, 2026 and May 4, 2026 captures of X's pricing page, Pulse recorded 2 changes: grok-4.20-reasoning and grok-4.20-non-reasoning prices cut: text input $2.00→$1.25/1M tokens (-37.5%), output $6.00→$2.50/1M tokens (-58.3%); New flagship model grok-4.3 added to main pricing at $1.25/1M input and $2.50/1M output tokens with 1M context window, replacing grok-4.20 as featured model. Pulse files it as a pricing change (price decrease, new plan) 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.
It lands 76 days after X's previous change, "X adds real-time voice AI, drops structured outputs from API" (Feb 18, 2026). X has been tracked since 2025-10-11.
In the same window You.com, Tripo, SambaNova, Wispr Flow and Hive also changed their AI & Machine Learning pricing pages. Those moves are listed further down, and the Pulse Agent can compare them side by side.
- — · Price−37%$2.00$1.25
- grok-4.3 · PlanAdded
BeforeNo flagship model grok-4.3
Afterflagship model grok-4.3
| Plan | Field | Before | After | Change |
|---|---|---|---|---|
| — | Price | $2.00 | $1.25 | −37% |
| grok-4.3 | Plan | No flagship model grok-4.3 | flagship model grok-4.3 | Added |
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 Apr 27, 2026 and May 4, 2026; the change is marked in the lower part of the page, where price reads $2.00 and then $1.25.
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The two full-page captures with this change marked up are free with an account.
X, the last 90 days
Full history- Jul 4, 2026improvedxAI: Grok lineup replaced (grok-4.3, grok-build-0.1), smaller context windows
- May 29, 2026improvedX launches Grok coding model and image/video/voice API pricing
- May 19, 2026improvedX updates capabilities: New video generation feature added with audio.
- May 5, 2026decreaseX debuts grok-4.3 at $1.25/$2.50 per 1M tokens, slashes grok-4.20 rates · this change
- Feb 18, 2026improvedX adds real-time voice AI, drops structured outputs from API
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)
- TripoOct 26Tripo removes 3 Free Pro Refine perk from Max plan and comparison table
- SambaNovaOct 26SambaNova swaps in MiniMax-M3.1-Flash, halving token prices across the board
- Wispr FlowOct 26Wispr Flow blurs Free plan mobile cap, swapping 1,000 words for "limited use
- HiveOct 26Hive cuts DeepSeek-V4.1-Flash input to $0.10 and output to $0.35 per 1M
Questions about this change
Did X raise prices in May 2026?
No — prices went down. Between Apr 27, 2026 and May 4, 2026 X's pricing page showed 1 price cut: $2.00 → $1.25 (−37%).
What changed on X's pricing page between Apr 27, 2026 and May 4, 2026?
Price: $2.00 → $1.25 (−37%); grok-4.3 plan: No flagship model grok-4.3 → flagship model grok-4.3, added. Pulse compared the captures it took on Apr 27, 2026 and May 4, 2026; the before/after table above lists each item as written on the page.
How often does X change its pricing?
Pulse recorded 1 other pricing-page change for X in the 90 days before this one; the previous change was "X adds real-time voice AI, drops structured outputs from API" on Feb 18, 2026; X has been tracked since 2025-10-11.