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Claude Opus 4.7 vs Jamba 1.5 Large

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 Large specs
Verdict by category
  • PriceJamba 1.5 Large

    Jamba 1.5 Large publishes pricing ($8.00 / 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 Large.

  • OpennessJamba 1.5 Large

    Jamba 1.5 Large 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 Large: 2 category wins each, with the rest tied. Jamba 1.5 Large publishes pricing ($8.00 / 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 Large handles text, which can be the deciding factor before you even look at benchmarks. Jamba 1.5 Large 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 Large, 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 Large sees more deployments in long context and rag. 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 Large
ProviderAnthropicAI21
ReleasedFeb 2026Aug 2024
Modalitiestext, visiontext
Context window500K tokens256K tokens
Max output,,
Input · 1MPricing not published$2.00 / 1M tokens
Output · 1MPricing not published$8.00 / 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 $18.00
  • Heavy usage, 1M in / 500k out per day, vs $180
  • RAG workload, 5M in / 200k out per day, vs $348

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 Large$0.600

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 Large.
  • Multimodal needs covering vision.
Pick Jamba 1.5 Large if

Jamba 1.5 Large fits when…

  • 256k context
  • Efficient long-context inference
  • Open weights
  • 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 Large vs Claude Sonnet 4.6

Frequently asked

  • Is Claude Opus 4.7 or Jamba 1.5 Large 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 Large.
  • Is Claude Opus 4.7 or Jamba 1.5 Large better for coding?
    Both Claude Opus 4.7 and Jamba 1.5 Large 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 Large ships open weights (Jamba Open Model License). Claude Opus 4.7 is API-only.
  • When were Claude Opus 4.7 and Jamba 1.5 Large released?
    Claude Opus 4.7 was released by Anthropic on 2026-02-15. Jamba 1.5 Large was released by AI21 on 2024-08-22.
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