Scheduled for retirement on Nov 26, 2026. Still available at the prices below until then.
Context
256K
Max output
256K
Serving providers
3
Cheapest input
$2.00 /1M
On-demand listed rates, OpenRouter routed quotes and Vercel reseller quotes. Enterprise commitments (committed-use discounts, provisioned throughput, negotiated rates) can be materially lower.
Benchmarks
independent evaluations · source: Artificial AnalysisHeadline indices
Individual benchmarks · click a row for effort variants
| Benchmark | Best score | Effort | Cost / task | |||||||||||||
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| EvalComputeProxyFrozen Aug 18, 2026 | 22.2 | default | — | |||||||||||||
| GPQA Diamond | 43% | default | — | |||||||||||||
| ||||||||||||||||
| Humanity's Last Exam | 4% | default | — | |||||||||||||
| LiveCodeBench | 14% | default | — | |||||||||||||
| MMLU-ProFrozen Aug 18, 2026 | 57% | default | — | |||||||||||||
| SciCodeArtificial Analysis did not report this score in its latest run on Oct 14, 2026 | 16% | — | — | |||||||||||||
Artificial Analysis last published scores for this benchmark on Aug 18, 2026. Scores here are frozen at that date, and models released since are not on it.
Pricing by serving provider
standard tier · per 1M tokens · click a provider to expand| Serving provider | Input /1M | Output /1M | Endpoints | ||||||||||
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Ai21Cheapest | $2.00 | $8.00 | 1 | ||||||||||
Standardjamba-1.5-large
| |||||||||||||
| Amazon Bedrock | $2.00 | $8.00 | 1 | ||||||||||
Standardai21.jamba-1-5-large-v1:0
| |||||||||||||
| Vertex AI Ai21 Models | $2.00 | $8.00 | 1 | ||||||||||
Standardvertex_ai/jamba-1.5-large
| |||||||||||||
Price history
listed seller prices, input and output per 1M tokens Input Output
Cost calculator
estimate your monthly spend on this model$1,040
estimated / month
Model IDs
copy the exact identifier for your platformai21.jamba-1-5-large-v1:0jamba-1.5-largevertex_ai/jamba-1.5-large
Frequently asked questions
Jamba 1.5 Large pricing, context and availabilityIs Jamba 1.5 Large still available?
Yes. Jamba 1.5 Large is scheduled for retirement on 2026-11-26.
How much does Jamba 1.5 Large cost?
Jamba 1.5 Large costs $2.00 per 1M input tokens from Ai21, and $8.00 per 1M output tokens from Ai21.
What is the context window of Jamba 1.5 Large?
Jamba 1.5 Large accepts up to 256K tokens of context and can return up to 256K output tokens.
Which providers serve Jamba 1.5 Large?
Jamba 1.5 Large is available from 3 serving providers, each with its own pricing and model ID. Ai21 is currently the cheapest.
What can Jamba 1.5 Large do?
Jamba 1.5 Large supports tool use.
Other AI21 models
compare pricing across the AI21 lineup Listed prices from LiteLLM, OpenRouter and Vercel · last checked Oct 14, 2026
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