Claude Haiku 5.5 vs DeepSeek V4.1 Flash 1017
Detailed technical comparison between Claude Haiku 5.5 (Anthropic) and DeepSeek V4.1 Flash 1017 (DeepSeek). Review live API token pricing, context window capabilities, time-to-first-token latency, and verified benchmark scores side-by-side.
Comparison Snapshot
DeepSeek V4.1 Flash 1017
1,048,576 tokensTie
Equal CapabilityTie
Equal SpeedClaude Haiku 5.5
$0.10 / MTokClaude Haiku 5.5
Claude Haiku 5.5 is Anthropic's small, fast model for high-volume, cost-sensitive work such as summarization, subagents, and browser use. It succeeds Claude Haiku 4.5 with stronger coding, computer use, and...
DeepSeek V4.1 Flash 1017
DeepSeek V4.1 Flash 1017 is the October 17, 2026 snapshot of DeepSeek V4.1 Flash, served by DeepSeek under the `deepseek-flash` API model name. V4.1 Flash is a sparse mixture-of-experts model...
Technical Specifications
🏆 = Superior Spec| Specification | Claude Haiku 5.5 | DeepSeek V4.1 Flash 1017 |
|---|---|---|
| Provider | Anthropic | DeepSeek |
| Context Window | 1,000,000 tokens | 1,048,576 tokens🏆 |
| Agent Suitability | Not yet benchmarked | Not yet benchmarked |
| Time to First Token (TTFT) | No public TTFT data | No public TTFT data |
| Deployment Model | managed api | self hostable |
| Production Stability | Stable release | Not verified |
| API Available | Yes | Yes |
| Released Date | 2026-10-07 | 2026-10-17 |
API Pricing Comparison
Input Price per Million Tokens
Claude Haiku 5.5
$0.10
DeepSeek V4.1 Flash 1017
$0.15
Output Price per Million Tokens
Claude Haiku 5.5
$0.50
DeepSeek V4.1 Flash 1017
$0.60
💡 Cost Ratio: Claude Haiku 5.5 is 1.5x cheaper per input token than DeepSeek V4.1 Flash 1017.
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Run side-by-side prompt benchmarks in our dynamic multi-model Sandbox. Compare execution speeds, latency metrics, and compute actual costs in real-time.
Benchmark Performance Metrics
Standardized Scores (0–100%)Scores show verified raw accuracy percentages across standardized AI evaluation suites. Higher bars indicate superior performance in that domain.
Claude Haiku 5.5 Quirks & Gotchas
No developer gotchas reported.
DeepSeek V4.1 Flash 1017 Quirks & Gotchas
No developer gotchas reported.
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