--- title: DeepSeek V4.1-Flash-1017 vs. Claude Haiku 5.5: More... description: DeepSeek V4.1-Flash-1017 scored higher than Claude Haiku 5.5 across three hands-on tests. DeepSeek scored 6 of 6 on an agentic bug fix versus Haiku's 5 of 6,... canonical: https://daily.dev/posts/deepseek-v4-1-flash-1017-vs-claude-haiku-5-5-more-accurate-at-a-fraction-of-the-price-knitb0ghj twitter:card: summary_large_image twitter:site: @dailydotdev og:type: website og:site_name: daily.dev og:title: DeepSeek V4.1-Flash-1017 vs. Claude Haiku 5.5: More accurate at a fraction of the price | daily.dev og:description: DeepSeek V4.1-Flash-1017 scored higher than Claude Haiku 5.5 across three hands-on tests. DeepSeek scored 6 of 6 on an agentic bug fix versus Haiku's 5 of 6,... og:url: https://daily.dev/posts/deepseek-v4-1-flash-1017-vs-claude-haiku-5-5-more-accurate-at-a-fraction-of-the-price-knitb0ghj og:image: https://api.daily.dev/og/posts/kniTB0GHj.png og:image:alt: DeepSeek V4.1-Flash-1017 vs. Claude Haiku 5.5: More accurate at a fraction of the price og:image:width: 1200 og:image:height: 630 og:locale: en --- > ## Documentation Index > Fetch the complete documentation index at: https://daily.dev/llms.txt > Use this file to discover all available pages before exploring further. # DeepSeek V4.1-Flash-1017 vs. Claude Haiku 5.5: More accurate at a fraction of the price **[The New Stack](https://daily.dev/sources/newstack)** · 6 min read · 0 upvotes · 0 comments ## Summary DeepSeek V4.1-Flash-1017 scored higher than Claude Haiku 5.5 across three hands-on tests. DeepSeek scored 6 of 6 on an agentic bug fix versus Haiku's 5 of 6, tied 20 of 20 on database queries, and got all 1,600 triage fields right versus Haiku's 1,596. Total cost came to $0.07 for DeepSeek versus $0.30 for Haiku, mostly because a long triage prompt pushed Haiku past its 100,000-token pricing threshold. Haiku was faster on tool-based tests, DeepSeek faster on the long triage prompt. The author ran each test only once and recommends testing both models on your own workload before a production decision. ## Full article daily.dev links to this article rather than hosting it. Read it at the original source: ## Questions this post answers ### How does DeepSeek V4.1-Flash-1017 compare to Claude Haiku 5.5 in cost and accuracy? Across three hands-on tests (agentic bug fixing, database queries, and triage of 400 error reports), DeepSeek V4.1-Flash-1017 scored equal or better accuracy than Claude Haiku 5.5 and cost far less overall: $0.07 versus $0.30. DeepSeek got all 1,600 triage fields correct while Haiku missed 4; both tied 20 of 20 on database queries. Most of the cost gap came from Haiku's long triage prompt exceeding its 100,000-token pricing tier. _Weigh accuracy against token pricing tiers before picking a model for high-volume workloads on daily.dev._ ### What are the pricing rates for Claude Haiku 5.5 versus DeepSeek V4.1-Flash? Claude Haiku 5.5 costs $0.10 per million input tokens and $0.50 per million output tokens for prompts up to 100,000 tokens, rising to $0.50 and $2.50 above that threshold. DeepSeek's off-peak rates are $0.15 per million uncached input tokens, $0.003 per million cached input tokens, and $0.60 per million output tokens, with peak rates double those amounts. _Compare token pricing tiers carefully on daily.dev before budgeting a high-volume LLM workload._ ### What mistakes did Claude Haiku 5.5 make in a triage benchmark test? Claude Haiku 5.5 missed 4 of 1,600 scored fields in a 400-report triage test. Two were severity misclassifications: a report with 49 affected customers and another with a 0.8% error rate were both rated sev3 instead of sev4, per a routing guide rule. The other two were routing errors, sending reports filed after an August 1 team change to the old team despite header dates. _Check edge-case accuracy like this before trusting a model with automated incident triage on daily.dev._ ## Similar posts on daily.dev - [OpenCode \+ DeepSeek V4: The Budget Combo That Doesn't Feel Like a Budget Combo](https://daily.dev/posts/opencode-deepseek-v4-the-budget-combo-that-doesn-t-feel-like-a-budget-combo-d9ybqvwwf) · Playful Programming · 3 upvotes · 0 comments --- Tags: [#ai](https://daily.dev/tags/ai), [#llm](https://daily.dev/tags/llm), [#ai-agents](https://daily.dev/tags/ai-agents), [#deepseek](https://daily.dev/tags/deepseek) [View this post on daily.dev](https://daily.dev/posts/deepseek-v4-1-flash-1017-vs-claude-haiku-5-5-more-accurate-at-a-fraction-of-the-price-knitb0ghj) ```json {"@context":"https://schema.org","@graph":[{"@type":"Organization","@id":"https://daily.dev/#organization","name":"daily.dev","url":"https://daily.dev","logo":{"@type":"ImageObject","url":"https://daily.dev/apple-touch-icon.png","width":180,"height":180},"sameAs":["https://twitter.com/dailydotdev","https://github.com/dailydotdev","https://www.linkedin.com/company/daily-dev-ltd"]},{"@type":"WebSite","@id":"https://daily.dev/#website","url":"https://daily.dev","name":"daily.dev","publisher":{"@id":"https://daily.dev/#organization"},"potentialAction":{"@type":"SearchAction","target":{"@type":"EntryPoint","urlTemplate":"https://daily.dev/search?q={search_term_string}"},"query-input":"required name=search_term_string"}}]} {"@context":"https://schema.org","@type":"TechArticle","headline":"DeepSeek V4.1-Flash-1017 vs. Claude Haiku 5.5: More accurate at a fraction of the price","url":"https://daily.dev/posts/deepseek-v4-1-flash-1017-vs-claude-haiku-5-5-more-accurate-at-a-fraction-of-the-price-knitb0ghj","mainEntityOfPage":{"@type":"WebPage","@id":"https://daily.dev/posts/deepseek-v4-1-flash-1017-vs-claude-haiku-5-5-more-accurate-at-a-fraction-of-the-price-knitb0ghj"},"datePublished":"2026-10-22T14:30:41.381Z","dateModified":"2026-10-22T14:52:38.738Z","description":"DeepSeek V4.1-Flash-1017 scored higher than Claude Haiku 5.5 across three hands-on tests. 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DeepSeek got all 1,600 triage fields correct while Haiku missed 4; both tied 20 of 20 on database queries. Most of the cost gap came from Haiku's long triage prompt exceeding its 100,000-token pricing tier. Weigh accuracy against token pricing tiers before picking a model for high-volume workloads on daily.dev."}},{"@type":"Question","name":"What are the pricing rates for Claude Haiku 5.5 versus DeepSeek V4.1-Flash?","acceptedAnswer":{"@type":"Answer","text":"Claude Haiku 5.5 costs $0.10 per million input tokens and $0.50 per million output tokens for prompts up to 100,000 tokens, rising to $0.50 and $2.50 above that threshold. DeepSeek's off-peak rates are $0.15 per million uncached input tokens, $0.003 per million cached input tokens, and $0.60 per million output tokens, with peak rates double those amounts. 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