LLM Reference

Claude 3.7 Sonnet vs o1-pro

Claude 3.7 Sonnet (2024) and o1-pro (2024) are frontier reasoning models from Anthropic and OpenAI. Claude 3.7 Sonnet ships a 200k-token context window, while o1-pro ships a 200k-token context window. On pricing, Claude 3.7 Sonnet costs $3/1M input tokens versus $150/1M 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.

Claude 3.7 Sonnet is ~4900% cheaper at $3/1M; pay for o1-pro only for provider fit.

Decision scorecard

Local evidence first
SignalClaude 3.7 Sonneto1-pro
Best forreasoning-heavy apps, multimodal apps, and tool-calling agentsprovider-routed production
Decision fitCoding, RAG, and AgentsRAG, Long context, and Classification
Context window200k200k
Cheapest output$15/1M tokens$600/1M tokens
Provider routes6 tracked2 tracked
Shared benchmarks0 shared0 shared

Decision tradeoffs

Choose Claude 3.7 Sonnet when...
  • Claude 3.7 Sonnet has the lower cheapest tracked output price at $15/1M tokens.
  • Claude 3.7 Sonnet has broader tracked provider coverage for fallback and route flexibility.
  • Claude 3.7 Sonnet uniquely exposes Vision, Multimodal, and Reasoning in local model data.
  • Local decision data tags Claude 3.7 Sonnet for Coding, RAG, and Agents.
Choose o1-pro when...
  • Local decision data tags o1-pro for RAG, Long context, and Classification.

Monthly cost at traffic

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

Lower estimate Claude 3.7 Sonnet

Claude 3.7 Sonnet

$6,150

Cheapest tracked route/tier: GCP Vertex AI

o1-pro

$270,000

Cheapest tracked route/tier: OpenRouter

Estimated monthly gap: $263,850. Batch, cache, alternate speed tiers, and negotiated pricing are excluded from this local estimate.

Switch friction

Claude 3.7 Sonnet -> o1-pro
  • Provider overlap exists on OpenRouter; start route-level A/B tests there.
  • o1-pro is $585/1M tokens higher on cheapest tracked output pricing, so quality gains need to justify the spend.
  • Check replacement coverage for Vision, Multimodal, and Reasoning before moving production traffic.
o1-pro -> Claude 3.7 Sonnet
  • Provider overlap exists on OpenRouter; start route-level A/B tests there.
  • Claude 3.7 Sonnet is $585/1M tokens lower on cheapest tracked output pricing before cache, batch, or negotiated discounts.
  • Claude 3.7 Sonnet adds Vision, Multimodal, and Reasoning in local capability data.

Specs

Specification
Released2024-03-042024-12-05
Context window200k200k
Parameters——
ArchitectureDecoder OnlyDecoder Only
LicenseProprietaryProprietary
OpennessProprietaryProprietary
WeightsNot releasedNot released
CodeUnknownUnknown
Commercial useCommercial use: conditionalCommercial use: conditional
Knowledge cutoff2024-112023-10

Pricing and availability

Pricing attributeClaude 3.7 Sonneto1-pro
Input price$3/1M tokens$150/1M tokens
Output price$15/1M tokens$600/1M tokens
Providers

Capabilities

CapabilityClaude 3.7 Sonneto1-pro
VisionYesNo
MultimodalYesNo
ReasoningYesNo
JSON / Tool useYesNo
Structured outputsYesYes
Code executionYesNo
IDE integrationNoNo
Computer useNoNo
Parallel agentsNoNo

Benchmarks

No shared benchmark scores are currently available for this pair.

Continue comparing

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