Cursor took the #1 spot from Bolt this week with 556 Reddit mentions to Bolt's 539 — the first leaderboard change at the top since Bolt claimed #1 three weeks ago. Total mentions fell 8.3% to 5,288 (Mon-Thu) from 5,764 the prior week, continuing last week's pullback. The Anthropic SDK crossed 25.4M monthly downloads — now 47.2% of OpenAI's volume, up from 46.9% last week.
Key Findings This Week
- Cursor overtakes Bolt for #1 — 556 vs 539 mentions, ending Bolt's three-week reign at the top
- Market down 8.3%: Total Reddit mentions fell from 5,764 to 5,288 (Mon-Thu comparison) — every tool declined
- Replit fell hardest at -21.0% (195 → 154), reversing last week's 18% surge
- Anthropic SDK hits 25.4M monthly downloads — now 47.2% of OpenAI's 53.8M, up from 46.9%
- Claude engagement spikes to 4.0x — the highest engagement ratio among the top 5 this week
Cursor Takes #1 as Bolt Slips
The top of the leaderboard reshuffled for the first time in three weeks. Cursor's 5.3% decline was the smallest among all tracked tools, while Bolt dropped 11.3% — more than double Cursor's rate. The result: Cursor edged ahead by 17 mentions. The top 5 remain tightly clustered at 40 mentions apart (556 to 516), but the ordering shifted: Cursor (#2 → #1), Bolt (#1 → #2), and v0 moved up from #6 to #5, swapping with OpenAI.
(5,288 mentions, Mon-Thu)
(556 mentions)
Decline This Week
Claude's engagement ratio jumped to 4.0x (score-to-mention), the highest among the top 5 this week. For comparison, Cursor sat at 2.3x and Bolt at 2.7x. OpenAI led all tools at 10.0x engagement, but its absolute mention count dropped 9.5%, pushing it from #5 to #6.
Full Reddit Rankings: Feb 24-27, 2026 (Mon-Thu)
| Rank | Tool | This Week | Last Week | Change | Engagement |
|---|---|---|---|---|---|
| 1 | Cursor | 556 | 587 | -5.3% | 1,277 (2.3x) |
| 2 | Bolt | 539 | 608 | -11.3% | 1,477 (2.7x) |
| 3 | ChatGPT | 528 | 575 | -8.2% | 920 (1.7x) |
| 4 | Claude | 518 | 571 | -9.3% | 2,076 (4.0x) |
| 5 | v0 | 516 | 551 | -6.4% | 1,985 (3.8x) |
| 6 | OpenAI | 502 | 555 | -9.5% | 5,043 (10.0x) |
| 7 | Lovable | 420 | 459 | -8.5% | 2,412 (5.7x) |
| 8 | Anthropic | 403 | 433 | -6.9% | 2,021 (5.0x) |
| 9 | GitHub Copilot | 221 | 236 | -6.4% | 721 (3.3x) |
| 10 | Replit | 154 | 195 | -21.0% | 361 (2.3x) |
| 11 | Windsurf | 81 | 96 | -15.6% | 205 (2.5x) |
Note: "Continue" (567 mentions) and "Aider" (282) are excluded from the ranking narrative. Both match common words in non-English subreddits (French), inflating their counts. We include them in the raw data for transparency but focus analysis on tools with cleaner signal. Comparison uses Mon-Thu data from both weeks for accuracy since the current week is still in progress.
Biggest Movers
Cursor — Smallest Decline Earns #1
#2 → #1 -5.3% WoWCursor didn't grow — it fell 5.3% from 587 to 556 mentions. But in a week where Bolt dropped 11.3%, that was enough to flip the top spot. Cursor's 2.3x engagement ratio is below the top-5 average of 2.9x, suggesting broad but less passionate discussion.
Replit — Last Week's Sole Gainer Reverses Course
-21.0% WoW Biggest DropReplit went from the only tool growing last week (+18.0%) to the biggest decliner this week at -21.0% (195 → 154). The volatility suggests Replit's mention volume may be driven more by individual viral moments than sustained baseline discussion.
Claude — Engagement Outperforms Mentions
4.0x Engagement -9.3% MentionsWhile Claude's mention count dropped 9.3%, its engagement ratio surged to 4.0x — the highest among the top 5 and nearly double Cursor's 2.3x. The 2,076 total score from just 518 mentions indicates higher-quality, more upvoted discussions even as overall volume fell.
Stack Overflow: Stable at 21 Questions
Total Stack Overflow questions held steady at 21 this week (Mon-Thu), matching the same period last week. After several weeks of decline, the platform may be finding a new baseline for AI tool support questions.
| Tool | This Week | Last Week (Mon-Thu) | Change | Views |
|---|---|---|---|---|
| Cursor | 7 | 6 | +16.7% | 134 |
| ChatGPT | 4 | 4 | 0% | 91 |
| Claude | 4 | 2 | +100% | 137 |
| GitHub Copilot | 3 | 2 | +50% | 70 |
| OpenAI | 3 | 2 | +50% | 48 |
Cursor leads SO again with 7 questions, up from 6. Claude doubled from 2 to 4 questions with 137 total views — the highest per-question view count this week, suggesting developers are asking more complex Claude integration questions.
NPM Downloads: Anthropic Closes In on 50%
The Anthropic SDK's march toward parity with OpenAI continues, now at 47.2% — up from 46.9% last week and 44.9% two weeks ago.
| Package | Weekly | Monthly |
|---|---|---|
| openai | 13.3M | 53.8M |
| ai (Vercel) | 8.6M | 34.0M |
| @anthropic-ai/sdk | 6.5M | 25.4M |
| @langchain/core | 3.1M | 12.1M |
| @google/generative-ai | 2.2M | 8.9M |
| langchain | 1.9M | 7.4M |
| @ai-sdk/xai | 1.1M | 4.7M |
| ollama | 439K | 2.5M |
Anthropic's SDK at 25.4M monthly downloads now commands 47.2% of OpenAI's 53.8M volume. The pace of convergence has been consistent — 44.9% three weeks ago, 46.9% last week, 47.2% now. At this trajectory, the 50% threshold could arrive within 2-3 weeks.
Vercel's AI SDK climbed to 34.0M monthly downloads, continuing its steady growth as the provider-agnostic abstraction layer. Google's Generative AI SDK holds at 8.9M, stable week over week.
What This Data Shows
1. The #1 Spot Changed Hands — But Nobody's Pulling Away
Cursor overtaking Bolt is notable as the first leaderboard change at the top in three weeks. But the margin is slim — 17 mentions — and both tools are declining. The top 5 (Cursor, Bolt, ChatGPT, Claude, v0) are separated by just 40 mentions. This isn't a breakout; it's a rotation within a tightly contested pack.
2. Replit's Volatility Confirms Its Different Market Position
Going from +18.0% last week to -21.0% this week makes Replit the most volatile tool in our tracking. The smaller absolute base (154 mentions vs. Cursor's 556) means individual threads have outsized impact. Replit's mentions may track more closely with product launches and marketing than with organic developer discussion.
3. Anthropic's SDK Growth Decouples from Reddit Pullback
While Anthropic's Reddit mentions fell 6.9%, its NPM downloads climbed to 25.4M monthly — the highest recorded. The 47.2% ratio versus OpenAI represents consistent growth across multiple weeks. The gap between declining discussion volume and rising SDK installs suggests the Claude developer ecosystem is maturing past the hype-discussion phase into production integration.
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