Granite Speech 5.0 TurboCTC NC vs Ternary Bonsai 2 27B

At a Glance

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Pricing and Limits
Input priceFrom · USD / 1M tokensNot reported$0.075Openrouter · Sep 22, 2026
Output priceFrom · USD / 1M tokensNot reported$0.50Openrouter · Sep 22, 2026
Context windowMaximum documented tokensNot reported262K
Model facts checkedSep 2, 2026View model evidence →Sep 18, 2026View model evidence →

Token prices are the lowest available sourced USD rates; input and output may use different providers. Cost ranking estimates output spend on LiveBench, not a full request bill. Ranking methodology →

Available Benchmarks

All benchmark results →
No Protocol-Matched Benchmark Yet.Results appear here only when both models share the same benchmark version, metric, evaluation protocol, and evidence class.

Side-by-Side Facts

FieldGranite Speech 5.0 TurboCTC NCTernary Bonsai 2 27B
DeveloperIBMPrismML
FamilyGranite Speech 5 0Bonsai 2
ModelGranite Speech 5.0 TurboCTC NCTernary Bonsai 2 27B
VersionGranite Speech 5.0 TurboCTC NCTernary Bonsai 2 27B
Lifecycleactiveactive
Released2026-08-252026-09-17
Knowledge cutoffUnknownUnknown
Input modalitiesAudioText, Image
Output modalitiesTextText
Context windowUnknown262K
Total parameters473M27.4B
Active parametersUnknownUnknown
Licensecc-by-nc-sa-4.0apache-2.0
Open weightsYesYes
API availableNoYes
Self-hostableYesYes
Provider accessUnknownOpenrouter (Standard)
Capabilitiesautomatic-speech-recognition, transcriptionchat, generation, reasoning, tools, vision
Base modelUnknownQwen3.8 27B
Effective bit widthUnknown1.76 bits per weight
Language model sizeUnknown5.93 GB
Weight formatUnknownTernary g128 with FP16 group scales

Granite Speech 5.0 TurboCTC NC Capabilities

automatic-speech-recognitiontranscription
Serving providers0
Canonical IDibm-granite/granite-speech-5.0-470m-turboctc-nc

Ternary Bonsai 2 27B Capabilities

chatgenerationreasoningtoolsvision
Serving providers1
Canonical IDprism-ml/Ternary-Bonsai-2-27B

Primary Evidence

Sources and Freshness

Questions

Granite Speech 5.0 TurboCTC NC vs Ternary Bonsai 2 27B FAQs

Is Granite Speech 5.0 TurboCTC NC or Ternary Bonsai 2 27B better for coding?+

This comparison does not currently contain a protocol-matched coding benchmark for both Granite Speech 5.0 TurboCTC NC and Ternary Bonsai 2 27B, so Model Markets cannot name a coding leader from pricing, context size, or capability labels alone.

Which is cheaper, Granite Speech 5.0 TurboCTC NC or Ternary Bonsai 2 27B?+

Only Ternary Bonsai 2 27B has a directly sourced input price: $0.075 per million tokens. Only Ternary Bonsai 2 27B has a directly sourced output price: $0.50 per million tokens.

Which has a larger context window, Granite Speech 5.0 TurboCTC NC or Ternary Bonsai 2 27B?+

Neither model has a larger sourced context window in this comparison. Granite Speech 5.0 TurboCTC NC is — and Ternary Bonsai 2 27B is 262K.

Which performs better in benchmarks, Granite Speech 5.0 TurboCTC NC or Ternary Bonsai 2 27B?+

There is no overall benchmark winner: At least two independently verified, protocol-matched benchmarks are required for an overall winner.

Can Granite Speech 5.0 TurboCTC NC or Ternary Bonsai 2 27B be self-hosted?+

Both models have the same recorded self-hosting status: supported. Granite Speech 5.0 TurboCTC NC is open weight; Ternary Bonsai 2 27B is open weight.

Can Granite Speech 5.0 TurboCTC NC and Ternary Bonsai 2 27B understand images?+

Granite Speech 5.0 TurboCTC NC is not documented with image input; Ternary Bonsai 2 27B is documented with image input. This reflects supported input modalities, not vision quality.

Which can generate longer answers, Granite Speech 5.0 TurboCTC NC or Ternary Bonsai 2 27B?+

Neither has a larger sourced maximum output. Granite Speech 5.0 TurboCTC NC is — and Ternary Bonsai 2 27B is —.

Do Granite Speech 5.0 TurboCTC NC and Ternary Bonsai 2 27B support reasoning and tool use?+

Granite Speech 5.0 TurboCTC NC: none of these features are definitively sourced. Ternary Bonsai 2 27B: reasoning, tool calling, and image input. Feature support does not establish relative quality.

Which is available from more inference providers, Granite Speech 5.0 TurboCTC NC or Ternary Bonsai 2 27B?+

Granite Speech 5.0 TurboCTC NC has 0 sourced provider routes; Ternary Bonsai 2 27B has 1, so Ternary Bonsai 2 27B has broader tracked availability.

Which offers better value, Granite Speech 5.0 TurboCTC NC or Ternary Bonsai 2 27B?+

There is no universal value winner. Compare the input and output prices above with the matched benchmark result for your workload: cheaper tokens can be offset by different quality, token usage, latency, or provider availability.

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