DeepSeek V4.1 Flash vs Claude 4.5 Haiku: Release Comparison
Comparison of the DeepSeek V4.1 Flash and Claude 4.5 Haiku releases: 2 and 2 models respectively, each with different intelligence, performance, and pricing characteristics. Below is a comparison of the key metrics across all 4 models.
- For intelligence, DeepSeek V4.1 Flash scores highest: DeepSeek V4.1 Flash (Reasoning, Max Effort) at 39, against Claude 4.5 Haiku (Reasoning) at 17 for Claude 4.5 Haiku.
- For output speed, DeepSeek V4.1 Flash is fastest: DeepSeek V4.1 Flash (Non-Reasoning) at 243 t/s, against Claude 4.5 Haiku (Reasoning) at 92 t/s for Claude 4.5 Haiku.
- For cost per task, DeepSeek V4.1 Flash is cheapest: DeepSeek V4.1 Flash (Non-Reasoning) at $0.15, against Claude 4.5 Haiku (Reasoning) at $0.21 for Claude 4.5 Haiku.
Intelligence
Artificial Analysis Intelligence Index
Intelligence Index vs. Cost per Intelligence Index Task
Cost per Task (USD, Log Scale)
Cost
Cost per Intelligence Index Task
Speed & Latency
Output Speed
Capability Scores
Capability Indexes
Incorporates 7 evaluations: AA-Omniscience, GDPval-AA v2.1, AA-Briefcase v1.1, Humanity's Last Exam, AutomationBench-AA, AA-LCR v1.1, GDP.pdf · Higher is better
Incorporates 6 evaluations: AA-Omniscience, GDPval-AA v2.1, AA-Briefcase v1.1, AutomationBench-AA, AA-LCR v1.1, GDP.pdf · Higher is better
Incorporates 7 evaluations: AA-Omniscience, GDPval-AA v2.1, AA-Briefcase v1.1, Humanity's Last Exam, AA-LCR v1.1, GDP.pdf, AutomationBench-AA · Higher is better
Incorporates 6 evaluations: AA-Omniscience, GDPval-AA v2.1, AA-Briefcase v1.1, MLCR-AA, Humanity's Last Exam, AutomationBench-AA · Higher is better
Incorporates 6 evaluations: AA-Omniscience, Humanity's Last Exam, CritPt, GDPval-AA v2.1, AA-Briefcase v1.1, Terminal-Bench 4.0 · Higher is better
Incorporates 5 evaluations: AA-Omniscience, Humanity's Last Exam, GDPval-AA v2.1, AA-Briefcase v1.1, AA-LCR v1.1 · Higher is better
Further details
Input modality | Output modality | Weights | Provider Benchmarks | ||||||||||||||||||||||||||||||
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| DeepSeek V4.1 Flash (Reasoning, Max Effort) |  DeepSeek | 39 | 45 | 52 | 41 | 41 | 39 | 44 | $0.27 | $0.2 | $0.30 | $1.20 | $0.006 | $477 | 89k | 63k | 253M | 232 | 0.97s | 9.58s | 11.73s | 282.36s | 552B 16B active at inference time | 1M | Sep 2026 | - | Yes | Supports: text and image | Supports: text |    +15 | |||
| DeepSeek V4.1 Flash (Non-Reasoning) | DeepSeek | 25 | 30 | 36 | 30 | - | 25 | 32 | $0.15 | $0.2 | $0.30 | $1.20 | $0.006 | $156 | 34k | 0 | 45M | 243 | 1.16s | 1.16s | 3.22s | 136.49s | 552B 16B active at inference time | 1M | Sep 2026 | - | No | Supports: text and image | Supports: text | | |||
| Claude 4.5 Haiku (Reasoning) |  Anthropic | 17 | 15 | 10 | 19 | 16 | 19 | 26 | $0.21 | $0.8 | $1.00 | $5.00 | $0.10 | $524 | 18k | 8k | 78M | 92 | 18.95s | 18.95s | 24.37s | 155.92s | - | 200k | Oct 2025 | Jul 2025 | Yes | Supports: text and image | Supports: text | Not available | - |    | |
| Claude 4.5 Haiku (Non-reasoning) | Anthropic | 15 | - | - | - | - | - | - | - | $0.8 | $1.00 | $5.00 | $0.10 | - | - | - | - | 84 | 0.63s | 0.63s | 6.55s | - | - | 200k | Oct 2025 | Jul 2025 | No | Supports: text and image | Supports: text | Not available | - | | |