Claude Haiku 5.5 vs DeepSeek V4.1 Flash
Also compared as: haiku 5.5 vs deepseek v4.1 flash
1 post467 likes63.4K views
Claude Haiku 5.5 vs DeepSeek V4.1 Flash in real side-by-side tests: 1 post from X where both got the same prompt; 1 post reports cost or time. Judge coding ability from the actual outputs.
Posts
1Same prompt, separate runs
1Not a controlled comparison: prompts, tools and time differ.
Summary
Claude Haiku 5.5 and DeepSeek V4.1 Flash appear together in 1 post on X: lava lamp: small models (@bridgebench). It is part of larger lineups with other models. In @bridgebench's lava lamp: small models, Claude Haiku 5.5 was cheaper ($0.03 vs $0.04) and DeepSeek V4.1 Flash was faster (4 min vs 4.6 min), as reported in the post.
What each post reports
| Post | Model | Time | Cost | Tokens | Original |
|---|---|---|---|---|---|
| Lava lamp: small models@bridgebench | DeepSeek V4.1 Flash | 4 min | $0.04 | — | X post |
| Lava lamp: small models@bridgebench | Claude Haiku 5.5 | 4.6 min | $0.03 | — | X post |
Only numbers stated in each post. “—” means the post doesn’t say.
Prompts shown in the posts
build a lava lamp — @bridgebench
Models
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