LLM Reference

Claude Opus 4.6 vs MAI-Thinking-1

Claude Opus 4.6 and MAI-Thinking-1 are both frontier reasoning choices, but they answer different deployment questions. Opus is the broader production API incumbent; MAI-Thinking-1 is Microsoft's private-preview reasoning model with fresh Microsoft-reported math and coding rows.

Pick Claude Opus 4.6 for broader production availability, stronger tracked GPQA and SWE-bench Verified rows, and lower adoption risk. Evaluate MAI-Thinking-1 when your stack is already Microsoft-centered or you want a private-preview reasoner that is effectively level with Opus on SWE-bench Pro: 52.8% versus Opus 4.6 at 53.4%.

Decision scorecard

Local evidence first
SignalClaude Opus 4.6MAI-Thinking-1
Best forreasoning-heavy apps, multimodal apps, and tool-calling agentsreasoning-heavy apps and tool-calling agents
Decision fitCoding, RAG, and AgentsCoding, RAG, and Agents
Context window1m256k
Cheapest output$25/1M tokens-
Provider routes6 tracked1 tracked
Shared benchmarksMMLU PRO leader7 shared

Decision tradeoffs

Choose Claude Opus 4.6 when...
  • Claude Opus 4.6 holds a shared-benchmark lead on MMLU PRO, ahead by 4.1 points.
  • Claude Opus 4.6 has the larger context window for long prompts, retrieval packs, or transcript analysis.
  • Claude Opus 4.6 has broader tracked provider coverage for fallback and procurement flexibility.
  • Claude Opus 4.6 uniquely exposes Vision, Multimodal, and Structured outputs in local model data.
  • Local decision data tags Claude Opus 4.6 for Coding, RAG, and Agents.
Choose MAI-Thinking-1 when...
  • MAI-Thinking-1 holds a shared-benchmark lead on AIME 2025, ahead by 2.8 points.
  • Local decision data tags MAI-Thinking-1 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.

Claude Opus 4.6

$10,250

Cheapest tracked route/tier: Anthropic

MAI-Thinking-1

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 4.6 -> MAI-Thinking-1
  • Provider overlap exists on Microsoft Foundry; start route-level A/B tests there.
  • Check replacement coverage for Vision, Multimodal, and Structured outputs before moving production traffic.
MAI-Thinking-1 -> Claude Opus 4.6
  • Provider overlap exists on Microsoft Foundry; start route-level A/B tests there.
  • Claude Opus 4.6 adds Vision, Multimodal, and Structured outputs in local capability data.

Specs

Specification
Released2026-02-052026-06-02
Context window1m256k
Parameters1T total / 35B active
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 4.6MAI-Thinking-1
Input price$5/1M tokens-
Output price$25/1M tokens-
Providers

Capabilities

CapabilityClaude Opus 4.6MAI-Thinking-1
VisionYesNo
MultimodalYesNo
ReasoningYesYes
Function callingYesYes
Tool useYesYes
Structured outputsYesNo
Code executionYesNo
IDE integrationNoNo
Computer useNoNo
Parallel agentsNoNo

Benchmarks

BenchmarkClaude Opus 4.6MAI-Thinking-1
MMLU PRO89.185.0
SWE-bench Verified80.873.5
SWE-bench Pro53.452.8
Google-Proof Q&A91.384.2
AIME 202594.297.0
LiveCodeBench70.287.7
Terminal-Bench 2.065.446.0

Deep dive

The cleanest head-to-head coding signal is SWE-bench Pro. MAI-Thinking-1 scores 52.8%, while the tracked Opus 4.6 row is 53.4%, so the practical read is parity rather than a meaningful separation.

Opus still has the stronger published general-reasoning and validated coding rows in the seed. It leads MAI on GPQA Diamond, 91.3% versus 84.2%, and on SWE-bench Verified, 80.8% versus 73.5%.

Deployment maturity matters. MAI-Thinking-1 is tracked as private preview through Microsoft, while Opus 4.6 is the safer choice for teams that need mature API access, provider flexibility, and lower integration uncertainty.

FAQ

Is MAI-Thinking-1 better than Claude Opus 4.6 for coding?

Not on the sourced rows alone. MAI-Thinking-1 is essentially tied with Opus 4.6 on SWE-bench Pro at 52.8% versus 53.4%, but Opus leads on SWE-bench Verified in the current seed.

When should I test MAI-Thinking-1 instead of Opus?

Test MAI-Thinking-1 when Microsoft availability, Copilot-adjacent evaluation, or private-preview reasoning performance matters enough to run your own acceptance prompts. Use Opus when production availability and existing provider routes matter more.

Continue comparing

Last reviewed: 2026-06-29. Data sourced from public model cards and provider documentation.