LLM Comparison

Claude Haiku 5.5 vs Claude Sonnet 5: benchmark scores, pricing & comparison.

Side-by-side Claude Haiku 5.5 vs Claude Sonnet 5 comparison across SWE-bench, GPQA, HLE, Terminal-Bench, coding agent scores, token pricing, context window, and AskClash RWT. Green marks the winner on each benchmark.

Verdict: Claude Haiku 5.5 ranks higher (#16 vs #29) and wins 4 of 5 shared benchmarks; Claude Haiku 5.5 costs less ($0.10/$0.50 vs $3.00/$15.0 per 1M tokens).

Rank #16 vs #29AskClash overall scores 60.0 vs 53.2.
Pricing $0.10/$0.50 vs $3.00/$15.0Input and output token prices per 1M tokens when published.
Proprietary vs ProprietaryAnthropic vs Anthropic.

Claude Haiku 5.5 vs Claude Sonnet 5 benchmark comparison

Green cells highlight the winning model for each metric. Scores are cached from the AskClash LLM leaderboard snapshot.

MetricClaude Haiku 5.5Claude Sonnet 5
Overall Score60.053.2
Leaderboard Rank#16#29
ACB63.560.8
RWT—8.5
HLE57.457.4
GPQA—91.1
SWE-bench—85.2
SWE-Pro64.863.2
Terminal-Bench32.814.1
DeepSWE—53.8
GDPval-AA1620.01618.0
OSWorld—81.2
CharXiv—88.3
MMMU-Pro—77.3
Input Price (per 1M tokens)$0.10$3.00
Output Price (per 1M tokens)$0.50$15.0
Context Window1M1M
Benchmarks Published812

Claude Haiku 5.5 vs Claude Sonnet 5 head-to-head charts

Claude Haiku 5.5 leads 5 and Claude Sonnet 5 leads 0 of 6 shared benchmarks. Claude Haiku 5.5 is cheaper on a defined 1M-input / 200K-output workload. Charts show only benchmarks both models publish.

Claude Haiku 5.5Claude Sonnet 5
Overall
60.0Claude Haiku 5.5
53.2Claude Sonnet 5
ACB
63.5Claude Haiku 5.5
60.8Claude Sonnet 5
HLE
57.4Claude Haiku 5.5
57.4Claude Sonnet 5
SWE-Pro
64.8Claude Haiku 5.5
63.2Claude Sonnet 5
Terminal-Bench
32.8Claude Haiku 5.5
14.1Claude Sonnet 5
GDPval-AA
1620.0Claude Haiku 5.5
1618.0Claude Sonnet 5
Claude Haiku 5.5
Input$0.10
Output$0.50
Workload$0.20
Context1M
Claude Sonnet 5
Input$3.00
Output$15.0
Workload$6.00
Context1M

Workload = published cost of 1M input + 200K output tokens. Open the live leaderboard for interactive compare charts.

More Claude Haiku 5.5 and Claude Sonnet 5 comparisons

Explore how Claude Haiku 5.5 and Claude Sonnet 5 stack up against other top-ranked LLMs.

How to read this comparison

Benchmark scores

Higher is better for all benchmark scores (SWE-bench, GPQA, HLE, Terminal-Bench, etc.). Green marks the model with the higher score.

Token pricing

Lower is better for input and output prices. Green marks the cheaper model per 1M tokens.

Coverage matters

Models with fewer disclosed benchmark cells may have inflated percentile scores. Check the benchmark cell count for context.

This comparison page is generated from the AskClash LLM leaderboard cache. Open the live leaderboard for real-time scores and interactive filtering.