Compare/Claude Sonnet 5 (Adaptive Reasoning, Max Effort) vs Nova 2.0 Pro Preview (low)

Claude Sonnet 5 (Adaptive Reasoning, Max Effort)vsNova 2.0 Pro Preview (low)

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

Anthropic

Claude Sonnet 5 (Adaptive Reasoning, Max Effort)

Input
$2/M
Output
$10/M
Speed
87 tok/s
TTFT
134.45s
Amazon

Nova 2.0 Pro Preview (low)

Input
$1.25/M
Output
$10/M
Speed
135 tok/s
TTFT
7.91s

Winner by Category

Cheaper
Nova 2.0 Pro Preview (low)
Faster (tok/s)
Nova 2.0 Pro Preview (low)
Lower Latency
Nova 2.0 Pro Preview (low)
Benchmarks (5-6)
Nova 2.0 Pro Preview (low)

Pricing Comparison

MetricClaude Sonnet 5 (Adaptive Reasoning, Max Effort)Nova 2.0 Pro Preview (low)
Input ($/M tokens)$2$1.25
Output ($/M tokens)$10$10
Cost for 1M input + 100K output tokens:
Claude Sonnet 5 (Adaptive Reasoning, Max Effort)$3.00
Nova 2.0 Pro Preview (low)$2.25

Speed Comparison

Output Speed (tokens/s) — higher is better
Claude Sonnet 5 (Adaptive Reasoning, Max Effort)
87 tok/s
Nova 2.0 Pro Preview (low)
135 tok/s
Time to First Token (seconds) — lower is better
Claude Sonnet 5 (Adaptive Reasoning, Max Effort)
134.45s
Nova 2.0 Pro Preview (low)
7.91s

Benchmark Comparison

Data from Artificial Analysis API — 12 benchmarks

Intelligence Index
53.419.6
Coding Index
71.525.9
Math Index
63.3
GPQA Diamond
91.1%75.1%
MMLU-Pro
82.2%
LiveCodeBench
63.8%
AIME 2025
63.3%
MATH-500
Humanity's Last Exam
39.6%5.2%
SciCode
53.6%38.7%
IFBench
79.6%
TerminalBench
17.4%
Claude Sonnet 5 (Adaptive Reasoning, Max Effort)5 wins
6 winsNova 2.0 Pro Preview (low)

Frequently Asked Questions

Which is cheaper, Claude Sonnet 5 (Adaptive Reasoning, Max Effort) or Nova 2.0 Pro Preview (low)?

Nova 2.0 Pro Preview (low) is cheaper overall. Its blended price (3:1 input/output ratio) is $3.44/M tokens vs $4.00/M for Claude Sonnet 5 (Adaptive Reasoning, Max Effort).

Which model performs better on benchmarks?

Nova 2.0 Pro Preview (low) wins 6 out of 12 benchmarks compared to 5 for Claude Sonnet 5 (Adaptive Reasoning, Max Effort). See the detailed benchmark chart above for per-category results.

Which is faster for real-time applications?

Nova 2.0 Pro Preview (low) generates tokens faster at 135 tok/s vs 87 tok/s. However, Nova 2.0 Pro Preview (low) has lower time-to-first-token (7.91s vs 134.45s).

When should I use Claude Sonnet 5 (Adaptive Reasoning, Max Effort) vs Nova 2.0 Pro Preview (low)?

Choose based on your priorities: Nova 2.0 Pro Preview (low) for lower cost, Nova 2.0 Pro Preview (low) for stronger benchmark performance, and Nova 2.0 Pro Preview (low) for faster generation. For latency-sensitive apps, check the TTFT comparison above.