Granite Speech 4.1 2B Plus
Granite Speech 4.1 2B Plus is a released vision model with open-source; evaluate it while provider pricing coverage matures.
Use it for
- Teams evaluating vision
Do not use it for
- Cost-sensitive launches that need sourced token pricing
- Strict JSON or tool-calling flows
- Teams that need a tracked hosted API route today
- Family
- Granite 4.1
- Released
- 2026-04-29
- Parameters
- 2B
- Specialization
- speech-recognition
- Openness
- Open source
- License
- Apache 2.0OSI-approvedCommercial use: permitted
- Weights
- Available
- Code
- Unknown
No tracked provider token pricing is available yet.
About
IBM Granite Speech 4.1 2B Plus is an enhanced speech-to-text model supporting ASR (automatic speech recognition), speaker-attributed ASR with speaker labels, and word-level timestamps. Extends the base Granite Speech 4.1 2B with richer transcription features including keyword list biasing (KWB) and incremental decoding. Achieves 5.71% average WER on the HuggingFace Open ASR Leaderboard. Supports English, French, German, Spanish, and Portuguese. Apache 2.0 license.
Granite Speech 4.1 2B Plus is an open-source model in the Granite 4.1 family. The structured metadata tracks multimodal input and audio. No headline benchmark score is tracked for Granite Speech 4.1 2B Plus yet.
Top use-case fit
Vision
Included by capability and metadata signals in the decision map.
Provider price ladder
No tracked provider token pricing is available for this model yet.
Capabilities
Benchmark peer barsfor Vision
No task-mapped benchmark peers are available for this model yet.
Migration checks
No linked migration route is available for this model yet.
Frequently asked questions
When was Granite Speech 4.1 2B Plus released?
Granite Speech 4.1 2B Plus was released on 2026-04-29.
No tracked provider token pricing is available yet.