AI21: Jamba Large 1.7

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Match confidence: UnmatchedSource type: openrouter_only

Context window

256K

Arena overall rank

—

Input price

$0.000 / 1M

Output price

$0.000 / 1M

Identifiers & provenance

Primary ID: ai21/jamba-large-1.7
OpenRouter ID: ai21/jamba-large-1.7
Canonical slug: ai21/jamba-large-1.7

Source semantics

Arena rank is a human-preference leaderboard signal, not a universal truth metric.
OpenRouter usage/popularity reflects adoption/traffic, not benchmark quality.
Pricing fields may differ by provider and can include extra modes beyond prompt/completion.

Read more on Methodology & data sources.

Description

Jamba Large 1.7 is the latest model in the Jamba open family, offering improvements in grounding, instruction-following, and overall efficiency. Built on a hybrid SSM-Transformer architecture with a 256K context window, it delivers more accurate, contextually grounded responses and better steerability than previous versions.

Raw fields snapshot

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  "name": "AI21: Jamba Large 1.7",
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  "created": 1754669020,
  "canonical_slug": "ai21/jamba-large-1.7",
  "hugging_face_id": "ai21labs/AI21-Jamba-Large-1.7",
  "source_type": "openrouter_only",
  "context_length": 256000,
  "max_completion_tokens": 4096,
  "is_moderated": false,
  "architecture": {
    "modality": "text->text",
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  "output_modalities": [
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  "modality": "text->text",
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  "default_parameters": {},
  "per_request_limits": null,
  "top_provider": {
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  "pricing": {
    "prompt": "0.000002",
    "completion": "0.000008"
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  "PPM": {
    "prompt": 2,
    "completion": 8
  },
  "openrouter_raw": {
    "id": "ai21/jamba-large-1.7",
    "canonical_slug": "ai21/jamba-large-1.7",
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    "context_length": 256000,
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