Claude Haiku 5.5 is Anthropic’s next-generation product, designed for high-throughput, cost-sensitive tasks. It can reliably handle fast and repetitive workloads such as summarization, context compression, database queries, and classification requests. It is also well suited to be used as a sub-agent model in programming workflows alongside Opus 5.5 and Sonnet 5.5.
Claude Haiku 5.5 vs DeepSeek V4.1 Flash 1017
Compare Claude Haiku 5.5 from Anthropic and DeepSeek V4.1 Flash 1017 from DeepSeek on key metrics including benchmarks, price, context length, and other model features. Access both models and hundreds of others through the AIHubMix API.
The official latest version of DeepSeek V4.1 Flash has been upgraded to DeepSeek-V4.1-Flash-1017. API usage and pricing remain unchanged—you can still access the latest model using deepseek-flash.
Pricing & Specifications
Prices are per million tokens. Time to First Token and throughput are rolling averages measured on AIHubMix.
Promotional prices show the discounted rate; see each model page for promotion windows.
Activity Past 30 Days
Daily traffic served through AIHubMix — how demand for each model is trending.
Tokens / day
Requests / day
Performance Past 3 Days
Measured on real AIHubMix traffic, hourly buckets. Gaps mean no traffic in that hour.
Throughput (tok/s)
TTFT (s)
Uptime (%)
LMArena Benchmarks
LMArena ratings by capability (Bradley-Terry, commonly called Elo). Higher is better.
Source: LMArena (arena.ai) leaderboard, imported by AIHubMix. Models without published ratings are omitted per chart.
Cost calculator
Estimate your monthly bill for the same workload on each model.
Monthly = daily × 30. Discounted rates applied where a promotion is active.
FAQ
Which is cheaper: Claude Haiku 5.5, DeepSeek V4.1 Flash 1017?
DeepSeek V4.1 Flash 1017: $0.434/M output tokens; Claude Haiku 5.5: $0.5/M. Use the cost calculator above to estimate your own workload.
Which responds faster?
Claude Haiku 5.5: 0.6s time to first token measured on AIHubMix; see the live performance charts above for how each model behaves across the day.
How large is each context window?
Claude Haiku 5.5 accepts 1,000,000 and DeepSeek V4.1 Flash 1017 accepts 1,000,000 input tokens. Maximum output per request is 128,000 tokens on Claude Haiku 5.5 and 393,216 tokens on DeepSeek V4.1 Flash 1017.
Which one generates tokens faster?
Claude Haiku 5.5 at 187.4 tok/s and DeepSeek V4.1 Flash 1017 at 125.7 tok/s, measured as output throughput on AIHubMix — a separate metric from time to first token.
What inputs and capabilities does each model support?
Claude Haiku 5.5 accepts text and image input; DeepSeek V4.1 Flash 1017 accepts text and image input.
Can I call Claude Haiku 5.5 and DeepSeek V4.1 Flash 1017 with the same API key?
Yes. AIHubMix serves every model on this page behind one OpenAI-compatible endpoint, so switching between them is a one-line change to the model field — no second account, key or SDK.
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