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 route 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
Parameters—1T 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
AnthropicAWS BedrockGCP Vertex AIMicrosoft FoundryOpenRouterVercel AI Gateway
Microsoft Foundry

Capabilities

CapabilityClaude Opus 4.6MAI-Thinking-1
VisionYesNo
MultimodalYesNo
ReasoningYesYes
JSON / 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

Model pages
Labs and families
Related comparisons

Popular comparisons for Claude Opus 4.6

Last reviewed: 2026-08-24. Data sourced from public model cards and provider documentation.