Compare/DeepSeek R1 (Jan '25) vs Claude 4.5 Haiku (Reasoning)

DeepSeek R1 (Jan '25)vsClaude 4.5 Haiku (Reasoning)

Side-by-side comparison of pricing, 12 benchmarks, and generation speed.

DeepSeek

DeepSeek R1 (Jan '25)

Input
$1.675/M
Output
$4.7/M
Speed
TTFT
Anthropic

Claude 4.5 Haiku (Reasoning)

Input
$1.25/M
Output
$5/M
Speed
140 tok/s
TTFT
5.71s

Winner by Category

Cheaper
Claude 4.5 Haiku (Reasoning)
Faster (tok/s)
Claude 4.5 Haiku (Reasoning)
Lower Latency
DeepSeek R1 (Jan '25)
Benchmarks (4-8)
Claude 4.5 Haiku (Reasoning)

Pricing Comparison

MetricDeepSeek R1 (Jan '25)Claude 4.5 Haiku (Reasoning)
Input ($/M tokens)$1.675$1.25
Output ($/M tokens)$4.7$5
Cost for 1M input + 100K output tokens:
DeepSeek R1 (Jan '25)$2.15
Claude 4.5 Haiku (Reasoning)$1.75

Speed Comparison

Output Speed (tokens/s) — higher is better
DeepSeek R1 (Jan '25)
Claude 4.5 Haiku (Reasoning)
140 tok/s
Time to First Token (seconds) — lower is better
DeepSeek R1 (Jan '25)
Claude 4.5 Haiku (Reasoning)
5.71s

Benchmark Comparison

Data from Artificial Analysis API — 12 benchmarks

Intelligence Index
18.837.1
Coding Index
15.932.6
Math Index
68.083.7
GPQA Diamond
70.8%67.2%
MMLU-Pro
84.4%76.0%
LiveCodeBench
61.7%61.5%
AIME 2025
68.0%83.7%
MATH-500
96.6%
Humanity's Last Exam
9.3%9.7%
SciCode
35.7%43.3%
IFBench
39.0%54.3%
TerminalBench
6.1%27.3%
DeepSeek R1 (Jan '25)4 wins
8 winsClaude 4.5 Haiku (Reasoning)

Frequently Asked Questions

Which is cheaper, DeepSeek R1 (Jan '25) or Claude 4.5 Haiku (Reasoning)?

Claude 4.5 Haiku (Reasoning) is cheaper overall. Its blended price (3:1 input/output ratio) is $2.19/M tokens vs $2.43/M for DeepSeek R1 (Jan '25).

Which model performs better on benchmarks?

Claude 4.5 Haiku (Reasoning) wins 8 out of 12 benchmarks compared to 4 for DeepSeek R1 (Jan '25). See the detailed benchmark chart above for per-category results.

Which is faster for real-time applications?

Claude 4.5 Haiku (Reasoning) generates tokens faster at 140 tok/s vs 0 tok/s. DeepSeek R1 (Jan '25) also has lower time-to-first-token (0.00s vs 5.71s).

When should I use DeepSeek R1 (Jan '25) vs Claude 4.5 Haiku (Reasoning)?

Choose based on your priorities: Claude 4.5 Haiku (Reasoning) for lower cost, Claude 4.5 Haiku (Reasoning) for stronger benchmark performance, and Claude 4.5 Haiku (Reasoning) for faster generation. For latency-sensitive apps, check the TTFT comparison above.