Choose AI21: Jamba Large 1.7 if…
- you need to fit long inputs in one request — 256K tokens is roughly 384 pages, against 197
AI21: Jamba Large 1.7 vs Meta: Muse Glimmer 30B
Neither wins outright: AI21: Jamba Large 1.7 is the pick when you need to fit long inputs in one request, Meta: Muse Glimmer 30B when cost matters at scale.
Key numbers
| Spec | AI21: Jamba Large 1.7 | Meta: Muse Glimmer 30B |
|---|---|---|
| Provider | AI21 | Meta |
| Input price (per 1M tokens) | $2.00 | $0.30 |
| Output price (per 1M tokens) | $8.00 | $1.20 |
| Blended price (3:1 input/output) | $3.50 | $0.52 |
| Cheaper than … of all models we track | 18% | 52% |
| Context window | 256K tokens (~384 pages) | 131K tokens (~197 pages) |
| Larger context than … of all models | 45% | 23% |
| Max output per response | 4K tokens (~3,100 words) | 16K tokens (~12,300 words) |
| Input types | text | text, image |
| Output types | text | text |
| Free variant | No | No |
| Listed since | 2025-08-08 | 2026-08-09 |
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What it costs for real workloads
Monthly cost at list price for five common workloads. Token counts per unit are stated so you can scale them to your own traffic. A workload that does not fit a model's context window is marked rather than priced.
| Workload (per month) | AI21: Jamba Large 1.7 | Meta: Muse Glimmer 30B | Difference |
|---|---|---|---|
| Customer-support chatbot 50,000 conversations — each a 6-turn conversation (1,500 in / 400 out tokens) | $310 | $46.50 | Meta: Muse Glimmer 30B saves $264 |
| RAG search over documents 20,000 questions — each a question answered from ~8 retrieved passages (6,000 in / 500 out tokens) | $320 | $48.00 | Meta: Muse Glimmer 30B saves $272 |
| Coding / tool-using agent 2,000 tasks — each a multi-step task with tool calls and file context (60,000 in / 6,000 out tokens) | $336 | $50.40 | Meta: Muse Glimmer 30B saves $286 |
| Batch summarisation 10,000 documents — each a 6,000-word report summarised to a page (8,000 in / 600 out tokens) | $208 | $31.20 | Meta: Muse Glimmer 30B saves $177 |
| Long-document analysis 500 documents — each a 150-page contract or codebase read in one pass (100,000 in / 2,000 out tokens) | $108 | $16.20 | Meta: Muse Glimmer 30B saves $91.80 |
Capabilities side by side
| Capability | AI21: Jamba Large 1.7 | Meta: Muse Glimmer 30B | What it lets you do |
|---|---|---|---|
| Tool / function calling | ✓ Yes | ✓ Yes | call your APIs and run agent loops |
| Structured output (JSON schema) | ✓ Yes | ✓ Yes | return JSON that validates against your schema |
| Reasoning / thinking mode | — | ✓ Yes | spend extra tokens thinking before answering hard problems |
| Image input | — | ✓ Yes | read screenshots, charts and scanned pages |
| Audio input | — | — | take speech or audio directly |
| File / PDF input | — | — | accept documents without your own parsing step |
| Image output | — | — | generate images, not just text |
| Built-in web search | — | — | answer from live web results |
| Seed (reproducible sampling) | — | ✓ Yes | repeat a generation for tests and evals |
| Log-probabilities | — | — | read token confidence for classification and scoring |
From each model's published parameters and input/output types. “—” means not advertised, not proven absent.
Price history
- AI21: Jamba Large 1.7: price unchanged since we started tracking it on 2026-03-10.
- Meta: Muse Glimmer 30B: input price cut 14% ($0.35 → $0.30/1M), output price cut 20% ($1.50 → $1.20/1M) on 2026-10-07 (10 price changes since 2026-08-11).
| Date | Model | Input / 1M | Output / 1M |
|---|---|---|---|
| 2026-10-07 | Meta: Muse Glimmer 30B | $0.30 | $1.20 |
| 2026-09-30 | Meta: Muse Glimmer 30B | $0.35 | $1.50 |
| 2026-09-21 | Meta: Muse Glimmer 30B | $0.30 | $1.20 |
| 2026-09-19 | Meta: Muse Glimmer 30B | $0.35 | $1.50 |
| 2026-09-18 | Meta: Muse Glimmer 30B | $0.30 | $1.10 |
| 2026-09-13 | Meta: Muse Glimmer 30B | $0.35 | $1.50 |
| 2026-09-03 | Meta: Muse Glimmer 30B | $0.30 | $1.10 |
| 2026-08-29 | Meta: Muse Glimmer 30B | $0.30 | $1.20 |
Which should you choose?
Choose Meta: Muse Glimmer 30B if…
- cost matters at scale — it is 85% cheaper on a typical 3:1 input/output mix ($46.50 vs $310 a month for 50,000 support chats)
- you need reasoning / thinking mode — to spend extra tokens thinking before answering hard problems; AI21: Jamba Large 1.7 does not advertise it
- you need image input — to read screenshots, charts and scanned pages; AI21: Jamba Large 1.7 does not advertise it
- you need seed (reproducible sampling) — to repeat a generation for tests and evals; AI21: Jamba Large 1.7 does not advertise it
- you generate long outputs in one go — up to 16K tokens (about 12,300 words) per response
- you want the newer model — released 2026-08-09, 12 months after the other
Frequently asked questions
Is AI21: Jamba Large 1.7 better than Meta: Muse Glimmer 30B?
Neither wins outright: AI21: Jamba Large 1.7 is the pick when you need to fit long inputs in one request, Meta: Muse Glimmer 30B when cost matters at scale. In short: AI21: Jamba Large 1.7 when you need to fit long inputs in one request; Meta: Muse Glimmer 30B when cost matters at scale, you need reasoning / thinking mode, you need image input, you need seed (reproducible sampling), you generate long outputs in one go, you want the newer model.
Which is cheaper, AI21: Jamba Large 1.7 or Meta: Muse Glimmer 30B?
Meta: Muse Glimmer 30B is cheaper: $0.52 vs $3.50 per 1M tokens at a typical 3:1 input/output mix, 85% less. For 50,000 support conversations a month that is $46.50 against $310.
How much do AI21: Jamba Large 1.7 and Meta: Muse Glimmer 30B cost per million tokens?
AI21: Jamba Large 1.7 costs $2.00 per 1M input tokens and $8.00 per 1M output tokens; Meta: Muse Glimmer 30B costs $0.30 input and $1.20 output. Output tokens are billed separately, so long answers shift the gap.
Which has the bigger context window, AI21: Jamba Large 1.7 or Meta: Muse Glimmer 30B?
AI21: Jamba Large 1.7: 256K tokens, about 384 pages, against 131K (about 197 pages) for Meta: Muse Glimmer 30B.
Do AI21: Jamba Large 1.7 and Meta: Muse Glimmer 30B support function calling and JSON output?
Tool calling — AI21: Jamba Large 1.7: yes, Meta: Muse Glimmer 30B: yes. JSON-schema structured output — AI21: Jamba Large 1.7: yes, Meta: Muse Glimmer 30B: yes.
Can AI21: Jamba Large 1.7 or Meta: Muse Glimmer 30B read images?
Only Meta: Muse Glimmer 30B accepts image input; AI21: Jamba Large 1.7 is text-only for input.
Is AI21: Jamba Large 1.7 or Meta: Muse Glimmer 30B free to use?
No free variant is listed for either; both are pay-per-token.
What is the maximum output length of AI21: Jamba Large 1.7 and Meta: Muse Glimmer 30B?
AI21: Jamba Large 1.7 can write up to 4K tokens (about 3,100 words) per response; Meta: Muse Glimmer 30B up to 16K (about 12,300 words).
When were AI21: Jamba Large 1.7 and Meta: Muse Glimmer 30B released?
AI21: Jamba Large 1.7 was listed on 2025-08-08; Meta: Muse Glimmer 30B on 2026-08-09.
Has the price of AI21: Jamba Large 1.7 or Meta: Muse Glimmer 30B changed?
AI21: Jamba Large 1.7: price unchanged since we started tracking it on 2026-03-10. Meta: Muse Glimmer 30B: input price cut 14% ($0.35 → $0.30/1M), output price cut 20% ($1.50 → $1.20/1M) on 2026-10-07 (10 price changes since 2026-08-11).
About the two models
AI21: Jamba Large 1.7
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...
Full AI21: Jamba Large 1.7 specs →Meta: Muse Glimmer 30B
Muse Glimmer 30B is a dense, open-weight multimodal model from Meta Superintelligence Labs, distilled from Muse Spark and optimized for autonomous agents on consumer hardware. It is suited for long-horizon...
Full Meta: Muse Glimmer 30B specs →