LLM Reference

Claude Opus 4.7 vs Magistral Small 2506

Claude Opus 4.7 (2026) and Magistral Small 2506 (2025) are frontier-tier reasoning models from Anthropic and MistralAI. Claude Opus 4.7 ships a 1m-token context window, while Magistral Small 2506 ships a 128k-token context window. This comparison covers specs, pricing, API access, capabilities, benchmarks, input and output token costs, and production fit for coding and agent workloads. It focuses on practical selection signals rather than broad model-family marketing.

Claude Opus 4.7 fits 8x more tokens; pick it for long-context work and Magistral Small 2506 for tighter calls.

Decision scorecard

Local evidence first
SignalClaude Opus 4.7Magistral Small 2506
Best forreasoning-heavy apps, multimodal apps, and tool-calling agentsreasoning-heavy apps
Decision fitCoding, RAG, and AgentsLong context
Context window1m128k
Cheapest output$25/1M tokens-
Provider routes6 tracked1 tracked
Shared benchmarks0 shared0 shared

Decision tradeoffs

Choose Claude Opus 4.7 when...
  • Claude Opus 4.7 has the larger context window for long prompts, retrieval packs, or transcript analysis.
  • Claude Opus 4.7 has broader tracked provider coverage for fallback and route flexibility.
  • Claude Opus 4.7 uniquely exposes Vision, Multimodal, and JSON / Tool use in local model data.
  • Local decision data tags Claude Opus 4.7 for Coding, RAG, and Agents.
Choose Magistral Small 2506 when...
  • Local decision data tags Magistral Small 2506 for Long context.

Monthly cost at traffic

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

Claude Opus 4.7

$10,250

Cheapest tracked route/tier: Anthropic

Magistral Small 2506

Unavailable

No complete token price in local provider data

Cost delta unavailable until both models have sourced input and output token prices.

Switch friction

Claude Opus 4.7 -> Magistral Small 2506
  • No overlapping tracked provider route is sourced for Claude Opus 4.7 and Magistral Small 2506; plan for SDK, billing, or endpoint changes.
  • Check replacement coverage for Vision, Multimodal, and JSON / Tool use before moving production traffic.
Magistral Small 2506 -> Claude Opus 4.7
  • No overlapping tracked provider route is sourced for Magistral Small 2506 and Claude Opus 4.7; plan for SDK, billing, or endpoint changes.
  • Claude Opus 4.7 adds Vision, Multimodal, and JSON / Tool use in local capability data.

Specs

Specification
Released2026-04-162025-06-10
Context window1m128k
Parameters24B
ArchitectureDecoder OnlyDecoder Only
LicenseProprietaryApache 2.0OSI-approved
OpennessProprietaryOpen source
WeightsNot releasedUnknown
CodeUnknownUnknown
Commercial useCommercial use: conditionalCommercial use: permitted
Knowledge cutoff2026-012025-06

Pricing and availability

Pricing attributeClaude Opus 4.7Magistral Small 2506
Input price$5/1M tokens-
Output price$25/1M tokens-
Providers

Capabilities

CapabilityClaude Opus 4.7Magistral Small 2506
VisionYesNo
MultimodalYesNo
ReasoningYesYes
JSON / Tool useYesNo
Structured outputsYesNo
Code executionYesNo
IDE integrationNoNo
Computer useNoNo
Parallel agentsNoNo

Benchmarks

No shared benchmark scores are currently available for this pair.

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Last reviewed: 2026-07-26. Data sourced from public model cards and provider documentation.