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Claude Haiku 4.5vsDeepSeek R1

Claude Haiku 4.5 leads 2 of 3 shared benchmarks. Claude Haiku 4.5 has the larger context window (200K tokens).

Benchmarks from cited public sources; pricing from official pages; status from official provider feeds.

Shared benchmarks
2 – 1
Claude Haiku 4.5 leads
Cheaper per token
list price, input + output
Larger context
Claude Haiku 4.5
200K tokens
Provider uptime (30d)
100% · 100%
Anthropic · DeepSeek
Claude Haiku 4.5
Anthropic · released 2025-10-15
textvision
Context
200K
Max out
64K
Input /1M
$1
Output /1M
$5
Cached /1M
$0.1
Scores
4 · 4 core
DeepSeek R1
DeepSeek · released 2025-01-20
text
Context
128K
Max out
33K
Input /1M
Output /1M
Cached /1M
Scores
8 · 7 core
Quality

Benchmark matrix

BenchmarkClaude Haiku 4.5DeepSeek R1ΔEdge
Reported by both · 3
SWE-bench Verified73.3% 49.2% +24.1 ptClaude Haiku 4.5
GPQA Diamond71.2% epoch71.5% -0.3 ptDeepSeek R1
OTIS Mock AIME 2024-2025 (Epoch AI run)66.7% epoch53.3% epoch+13.4 ptClaude Haiku 4.5
Only Claude Haiku 4.5 reports · 1
SimpleQA Verified13.2% epochnot reported
Only DeepSeek R1 reports · 4
MMLUnot reported90.8%
MMLU-Pronot reported84%
AIME 2025not reported70% matharena
LMArena Elonot reported1372.6
Scores tagged "epoch" or "matharena" are independent runs, used only where the lab has not published its own; ⚠ marks rows MathArena flags as released after the competition. Higher is better on every row. Δ is Claude Haiku 4.5 minus DeepSeek R1 in the benchmark's own unit. "Not reported" means the lab has not published that figure; it is not a zero. ↗ opens the source.
Specs & pricing

Side by side

SpecClaude Haiku 4.5DeepSeek R1Edge
Context window200K tokens128K tokensClaude Haiku 4.5
Max output64K tokens33K tokensClaude Haiku 4.5
Input price / 1M$1
Output price / 1M$5
Cached input / 1M$0.1
Input + output / 1M
Lower is cheaper. List prices; batch, tool and regional fees excluded.
$6
Modalitiestext · visiontextClaude Haiku 4.5
Released2025-10-152025-01-20
Cited benchmark scores48
Reliability

Provider status

All providers
More matchups

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Which one wins on your data?

Public benchmarks are a starting point. Run Claude Haiku 4.5 and DeepSeek R1 on your own prompts with Respan evals, or route to either through one gateway key with automatic failover.