LLM Reference

Claude Opus 4.5 vs Xiaomi MiMo-V2.5-Pro

Claude Opus 4.5 (2025) and Xiaomi MiMo-V2.5-Pro (2026) compare a standalone API model against a coding-specialized model. Claude Opus 4.5 ships a 200k-token context window, while Xiaomi MiMo-V2.5-Pro ships a 1.05m-token context window. On MMLU PRO, Claude Opus 4.5 leads by 20.4 pts. On pricing, Xiaomi MiMo-V2.5-Pro costs $0.43/1M input tokens versus $5/1M for the alternative. This page treats the result as workflow and deployment fit, not a universal model winner.

Treat this as a product-type comparison: Claude Opus 4.5 is standalone API model, while Xiaomi MiMo-V2.5-Pro is coding-specialized model. Choose based on workflow fit before reading any benchmark or price row as decisive.

Decision scorecard

Local evidence first
SignalClaude Opus 4.5Xiaomi MiMo-V2.5-Pro
Product typeStandalone API modelCoding-specialized model
Best forreasoning-heavy apps, multimodal apps, and tool-calling agentscustom coding agents, code generation, and tool loops
Decision fitCoding, RAG, and AgentsCoding, RAG, and Agents
Context window200k1.05m
Cheapest output$25/1M tokens$0.87/1M tokens
Provider routes6 tracked3 tracked
Shared benchmarksMMLU PRO leader4 shared

Decision tradeoffs

Choose Claude Opus 4.5 when...
  • Claude Opus 4.5 holds a shared-benchmark lead on MMLU PRO, ahead by 20.4 points.
  • Claude Opus 4.5 has broader tracked provider coverage for fallback and route flexibility.
  • Claude Opus 4.5 uniquely exposes Vision, Multimodal, and Reasoning in local model data.
  • Local decision data tags Claude Opus 4.5 for Coding, RAG, and Agents.
Choose Xiaomi MiMo-V2.5-Pro when...
  • Xiaomi MiMo-V2.5-Pro holds a shared-benchmark lead on SWE-bench Pro, ahead by 15.4 points.
  • Xiaomi MiMo-V2.5-Pro has the larger context window for long prompts, retrieval packs, or transcript analysis.
  • Xiaomi MiMo-V2.5-Pro has the lower cheapest tracked output price at $0.87/1M tokens.
  • Local decision data tags Xiaomi MiMo-V2.5-Pro for Coding, RAG, and Agents.

Monthly cost at traffic

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

Lower estimate Xiaomi MiMo-V2.5-Pro

Claude Opus 4.5

$10,250

Cheapest tracked route/tier: Microsoft Foundry

Xiaomi MiMo-V2.5-Pro

$566

Cheapest tracked route/tier: OpenRouter

Estimated monthly gap: $9,685. Batch, cache, alternate speed tiers, and negotiated pricing are excluded from this local estimate.

Switch friction

Claude Opus 4.5 -> Xiaomi MiMo-V2.5-Pro
  • Provider overlap exists on OpenRouter; start route-level A/B tests there.
  • Xiaomi MiMo-V2.5-Pro is $24.13/1M tokens lower on cheapest tracked output pricing before cache, batch, or negotiated discounts.
  • Check replacement coverage for Vision, Multimodal, and Reasoning before moving production traffic.
Xiaomi MiMo-V2.5-Pro -> Claude Opus 4.5
  • Provider overlap exists on OpenRouter; start route-level A/B tests there.
  • Claude Opus 4.5 is $24.13/1M tokens higher on cheapest tracked output pricing, so quality gains need to justify the spend.
  • Claude Opus 4.5 adds Vision, Multimodal, and Reasoning in local capability data.

Specs

Specification
Released2025-11-012026-04-22
Context window200k1.05m
Parameters1T
ArchitectureDecoder OnlyMixture of Experts
LicenseProprietaryProprietary
OpennessProprietaryProprietary
WeightsNot releasedNot released
CodeUnknownUnknown
Commercial useCommercial use: conditionalCommercial use: conditional
Knowledge cutoff2025-12-

Pricing and availability

Pricing attributeClaude Opus 4.5Xiaomi MiMo-V2.5-Pro
Input price$5/1M tokens$0.43/1M tokens
Output price$25/1M tokens$0.87/1M tokens
Providers

Capabilities

CapabilityClaude Opus 4.5Xiaomi MiMo-V2.5-Pro
VisionYesNo
MultimodalYesNo
ReasoningYesNo
JSON / Tool useYesYes
Structured outputsYesYes
Code executionYesNo
IDE integrationNoNo
Computer useNoNo
Parallel agentsNoNo

Benchmarks

BenchmarkClaude Opus 4.5Xiaomi MiMo-V2.5-Pro
MMLU PRO88.968.5
SWE-bench Verified80.978.9
SWE-bench Pro41.857.2
Google-Proof Q&A87.066.7

Continue comparing

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