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NVIDIA / nccl

Benchmark updated: 8/13/202630 Tasks
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Optimized primitives for collective multi-GPU communication

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C++53.6%Cuda18%C13.6%Python9%Cython2.3%Rust1.6%Other1.9%

Harness

1

Mini-SWE-agent
14 / 30

$2.96

9m56s

2

Mini-SWE-agent
13 / 30

$2.35

9m13s

3

Mini-SWE-agent
11 / 30

$0.67

6m07s

Key Takeaways

  • GPT-5.6 Sol with Mini-SWE-agent resolves 13 of 30 tasks, one behind Claude Opus 5, at $2.35 per test and 552.64 seconds.
  • Muse Spark 1.2 with Mini-SWE-agent resolves 11 of 30 tasks, with the lowest cost at $0.67 per test and latency of 367.22 seconds.
  • These 30-task results are directional comparisons across the supplied Mini-SWE-agent runs.

Cost Analysis

Cost / Test vs. Accuracy
ACCURACYCOST

Average Token Use / Test

Token Usage
InputOutputReasoningCache readCache write
Muse Spark 1.2
2.9M
Claude Opus 5
2.7M
GPT-5.6 Sol
2.3M

Cost is the clearest tradeoff in this comparison. Claude Opus 5 leads at 46.67% for $2.96 per test. GPT-5.6 Sol is the lower-cost option at 43.33% for $2.35 per test.

Latency Analysis

Latency vs. Accuracy
ACCURACYLATENCY

Average Response Time / Test

Response Time
Claude Opus 5
9m 56s
GPT-5.6 Sol
9m 13s
Muse Spark 1.2
6m 7s

Latency separates several models with similarly strong scores. Claude Opus 5 leads at 46.67%, while Muse Spark 1.2 is fastest at 6m 7s with 36.67% accuracy.