LLM AtlasLLM AtlasSearch models

StepFun

Step-Audio-R1.1

Overall 59Open weightopen-weight

StepFun's 33B Step-Audio-R1.1 for audio-text-to-text generation and understanding.

Last verified: 2026-03-29Confidence: HighSources: 3
textaudioopen-source
Input price
Not applicable
Output price
Not applicable
Context window
131,072
Max output
16,384
Release date
2026-02-14
Access
open-weight, self-hosted
License
StepFun Open Model License
Last verified
2026-03-29

Capability profile

Radar view of the model's practical strengths. This chart is backed by textual summaries below for crawlability.

Benchmark summary

Audio-focused model for speech and text generation.

No benchmark series is attached to this model yet. Source links and product metadata are available below.

Strengths

  • • 33B parameters
  • • Audio-text generation
  • • Open weights

Trade-offs

  • • Specialized for audio
  • • Limited English benchmarks

Crawlable benchmark analysis

Step-Audio-R1.1 is positioned as an open-weight audio model with published scores that emphasize its practical fit for buyers evaluating the entry.

Published scores highlight reasoning 55/100, coding 45/100, enterprise readiness 55/100, vision 40/100, speed 78/100, and safety 64/100.

Pricing is not applicable for this self-hosted or open-weight entry. With a context window of 131,072 tokens, it supports large-document analysis and retrieval workflows.

Benchmark coverage is still limited for this entry, so this section focuses on published metadata and deployment fit.

Sources

Provider and distribution links used to verify this model record.

Last verified: 2026-03-29

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