LLM·Dex
Newsletter

Claude Opus 4.7 vs Jamba 1.5 Mini

A complete head-to-head: pricing, context window, benchmarks, modality coverage, and openness, with a programmatic verdict synthesized from the underlying data.

Updated

Claude Opus 4.7 specs · Jamba 1.5 Mini specs
Verdict by category
  • PriceJamba 1.5 Mini

    Jamba 1.5 Mini publishes pricing ($0.40 / 1M output tokens) while Claude Opus 4.7 does not.

  • Context windowClaude Opus 4.7

    Claude Opus 4.7 accepts 500K tokens vs 256K, 2.0× the room for long documents and codebases.

  • BenchmarksTie

    No directly comparable public benchmarks are available for both models, check the spec sheets for individual scores.

  • ModalitiesClaude Opus 4.7

    Claude Opus 4.7 supports 2 modalities (text, vision) vs 1 for Jamba 1.5 Mini.

  • OpennessJamba 1.5 Mini

    Jamba 1.5 Mini ships open weights (Jamba Open Model License); Claude Opus 4.7 is API-only.

It's a genuine coin-flip between Claude Opus 4.7 and Jamba 1.5 Mini: 2 category wins each, with the rest tied. Jamba 1.5 Mini publishes pricing ($0.40 / 1M output tokens) while Claude Opus 4.7 does not. Claude Opus 4.7 accepts 500K tokens vs 256K, 2.0× the room for long documents and codebases.

No directly comparable public benchmarks are available for both models, check the spec sheets for individual scores. They differ in modality coverage, Claude Opus 4.7 handles text, vision while Jamba 1.5 Mini handles text, which can be the deciding factor before you even look at benchmarks. Jamba 1.5 Mini ships open weights (Jamba Open Model License); Claude Opus 4.7 is API-only.

Claude Opus 4.7 is the newer of the two, released 18 months after Jamba 1.5 Mini, which usually means a more recent knowledge cutoff and updated safety post-training. Claude Opus 4.7 is usually picked for coding llm and coding agent workloads, while Jamba 1.5 Mini sees more deployments in long context and summarization. If pricing matters more than every last benchmark point, run the numbers in the calculator below before committing.

Side-by-side specs

SpecClaude Opus 4.7Jamba 1.5 Mini
ProviderAnthropicAI21
ReleasedFeb 2026Aug 2024
Modalitiestext, visiontext
Context window500K tokens256K tokens
Max output,,
Input · 1MPricing not published$0.20 / 1M tokens
Output · 1MPricing not published$0.40 / 1M tokens
Knowledge cutoff,,
Open weightsNoYes (Jamba Open Model License)
API availableYesYes

Pricing at scale

What you'd actually pay at typical workloads. Numbers come from each model's published per-million-token rates.

  • Light usage, 100k in / 50k out per day, vs $1.20
  • Heavy usage, 1M in / 500k out per day, vs $12.00
  • RAG workload, 5M in / 200k out per day, vs $32.40

Light usage, 100k in / 50k out per day: pricing not directly comparable (one or both models are missing public per-token rates). Heavy usage, 1M in / 500k out per day: pricing not directly comparable (one or both models are missing public per-token rates). RAG workload, 5M in / 200k out per day: pricing not directly comparable (one or both models are missing public per-token rates).

Price calculator

Estimated spend for the listed models at your usage. Numbers are derived from each model's published per-million-token rates.

  • Claude Opus 4.7Pricing unavailable
  • Jamba 1.5 Mini$0.040

Benchmarks compared

Only sourced numbers. Where a benchmark is missing for one model we show the available value rather than fabricating the other.

Benchmark scores not yet available. We only publish numbers we can source from official model cards or independent leaderboards, see methodology.
Pick Claude Opus 4.7 if

Claude Opus 4.7 fits when…

  • Strongest published SWE-bench Verified scores in agent settings
  • Best-in-class writing quality and voice control
  • Excellent long-context recall and citation discipline
  • Long-context tasks, handles 500K tokens vs 256K for Jamba 1.5 Mini.
  • Multimodal needs covering vision.
Pick Jamba 1.5 Mini if

Jamba 1.5 Mini fits when…

  • 256k context at small-model price
  • Hybrid SSM-Transformer is efficient on long inputs
  • Open weights for self-hosting
  • Self-hosting and on-prem requirements, open weights (Jamba Open Model License).
Don't want either?

Consider Claude Sonnet 4.6

Anthropic's mid-tier 4.6 release, the workhorse model behind most production Anthropic deployments.

See Claude Sonnet 4.6 specsClaude Opus 4.7 vs Claude Sonnet 4.6Jamba 1.5 Mini vs Claude Sonnet 4.6

Frequently asked

  • Is Claude Opus 4.7 or Jamba 1.5 Mini cheaper?
    Per-token pricing isn't published for at least one of these models, check each model's spec page for current rates.
  • Which has the larger context window?
    Claude Opus 4.7 accepts 500K tokens vs 256K for Jamba 1.5 Mini.
  • Is Claude Opus 4.7 or Jamba 1.5 Mini better for coding?
    Both Claude Opus 4.7 and Jamba 1.5 Mini are competitive on coding benchmarks. See each model's individual spec page for HumanEval and SWE-bench scores where published. For an opinionated pick, consult our Best LLM for Coding ranking.
  • Are either of these models open source?
    Jamba 1.5 Mini ships open weights (Jamba Open Model License). Claude Opus 4.7 is API-only.
  • When were Claude Opus 4.7 and Jamba 1.5 Mini released?
    Claude Opus 4.7 was released by Anthropic on 2026-02-15. Jamba 1.5 Mini was released by AI21 on 2024-08-22.
Friday digest

The week's AI launches, in your inbox.

One short email every Friday, new models, leaks, and quietly-shipped APIs you missed.