LLM Reference

Aleph Alpha Luminous Extended vs Mistral Magistral Small 2509

Aleph Alpha Luminous Extended (2022) and Mistral Magistral Small 2509 (2025) are compact production models from Aleph Alpha and MistralAI. Aleph Alpha Luminous Extended ships a 8k-token context window, while Mistral Magistral Small 2509 ships a not-yet-sourced context window. On pricing, Aleph Alpha Luminous Extended costs $0.04/1M input tokens versus $0.50/1M for the alternative. This comparison covers specs, pricing, API access, capabilities, benchmarks, input and output token costs, and production fit for coding and agent workloads.

Aleph Alpha Luminous Extended is ~1150% cheaper at $0.04/1M; pay for Mistral Magistral Small 2509 only for provider fit.

Decision scorecard

Local evidence first
SignalAleph Alpha Luminous ExtendedMistral Magistral Small 2509
Best forgeneral production evaluationprovider-routed production
Decision fitGeneralGeneral
Context window8k
Cheapest output$0.12/1M tokens$1.50/1M tokens
Provider routes1 tracked2 tracked
Shared benchmarks0 rows0 rows

Decision tradeoffs

Choose Aleph Alpha Luminous Extended when...
  • Aleph Alpha Luminous Extended has the larger context window for long prompts, retrieval packs, or transcript analysis.
  • Aleph Alpha Luminous Extended has the lower cheapest tracked output price at $0.12/1M tokens.
Choose Mistral Magistral Small 2509 when...
  • Mistral Magistral Small 2509 has broader tracked provider coverage for fallback and procurement flexibility.

Monthly cost at traffic

Estimate token spend from the cheapest tracked input and output route or tier on this page.

Lower estimate Aleph Alpha Luminous Extended

Aleph Alpha Luminous Extended

$62.00

Cheapest tracked route/tier: Aleph Alpha

Mistral Magistral Small 2509

$775

Cheapest tracked route/tier: AWS Bedrock

Estimated monthly gap: $713. Batch, cache, alternate speed tiers, and negotiated pricing are excluded from this local estimate.

Switch friction

Aleph Alpha Luminous Extended -> Mistral Magistral Small 2509
  • No overlapping tracked provider route is sourced for Aleph Alpha Luminous Extended and Mistral Magistral Small 2509; plan for SDK, billing, or endpoint changes.
  • Mistral Magistral Small 2509 is $1.38/1M tokens higher on cheapest tracked output pricing, so quality gains need to justify the spend.
Mistral Magistral Small 2509 -> Aleph Alpha Luminous Extended
  • No overlapping tracked provider route is sourced for Mistral Magistral Small 2509 and Aleph Alpha Luminous Extended; plan for SDK, billing, or endpoint changes.
  • Aleph Alpha Luminous Extended is $1.38/1M tokens lower on cheapest tracked output pricing before cache, batch, or negotiated discounts.

Specs

Specification
Released2022-10-122025-09-01
Context window8k
Parameters30B24B
Architecturedecoder only-
LicenseProprietaryProprietary
Knowledge cutoff--

Pricing and availability

Pricing attributeAleph Alpha Luminous ExtendedMistral Magistral Small 2509
Input price$0.04/1M tokens$0.50/1M tokens
Output price$0.12/1M tokens$1.50/1M tokens
Providers

Capabilities

CapabilityAleph Alpha Luminous ExtendedMistral Magistral Small 2509
VisionNoNo
MultimodalNoNo
ReasoningNoNo
Function callingNoNo
Tool useNoNo
Structured outputsNoNo
Code executionNoNo
IDE integrationNoNo
Computer useNoNo
Parallel agentsNoNo

Benchmarks

No shared benchmark rows are currently sourced for this pair.

Deep dive

The capability footprint is close: both models cover the core production surface. That makes context budget, benchmark fit, and provider maturity more important than a simple checklist. If your application depends on one integration detail, verify it against the provider route you plan to use, not just the base model listing.

For cost, Aleph Alpha Luminous Extended lists $0.04/1M input and $0.12/1M output tokens on the cheapest tracked provider, while Mistral Magistral Small 2509 lists $0.50/1M input and $1.50/1M output tokens on the cheapest tracked provider. A 70/30 input-output blend puts Aleph Alpha Luminous Extended lower by about $0.74 per million blended tokens. Availability is 1 providers versus 2, so concentration risk also matters.

Choose Aleph Alpha Luminous Extended when provider fit and lower input-token cost are central to the workload. Choose Mistral Magistral Small 2509 when provider fit and broader provider choice are more important. For production, rerun your own prompts through the exact provider, region, and tool stack you plan to ship. This keeps the decision grounded in measurable tradeoffs instead of brand-level assumptions. It also helps separate model capability from provider packaging, which can change cost and latency.

FAQ

Which is cheaper, Aleph Alpha Luminous Extended or Mistral Magistral Small 2509?

Aleph Alpha Luminous Extended is cheaper on tracked token pricing. Aleph Alpha Luminous Extended costs $0.04/1M input and $0.12/1M output tokens. Mistral Magistral Small 2509 costs $0.50/1M input and $1.50/1M output tokens. Provider discounts or batch pricing can still change the final bill.

Is Aleph Alpha Luminous Extended or Mistral Magistral Small 2509 open source?

Aleph Alpha Luminous Extended is listed under Proprietary. Mistral Magistral Small 2509 is listed under Proprietary. License labels affect whether you can self-host, redistribute weights, or rely only on hosted APIs, so confirm the upstream license before deployment.

Where can I run Aleph Alpha Luminous Extended and Mistral Magistral Small 2509?

Aleph Alpha Luminous Extended is available on Aleph Alpha. Mistral Magistral Small 2509 is available on AWS Bedrock and Vercel AI Gateway. Provider coverage can affect latency, region availability, compliance posture, and fallback options.

When should I pick Aleph Alpha Luminous Extended over Mistral Magistral Small 2509?

Aleph Alpha Luminous Extended is ~1150% cheaper at $0.04/1M; pay for Mistral Magistral Small 2509 only for provider fit. If your workload also depends on provider fit, start with Aleph Alpha Luminous Extended; if it depends on provider fit, run the same evaluation with Mistral Magistral Small 2509.

Continue comparing

Last reviewed: 2026-05-22. Data sourced from public model cards and provider documentation.