LLM Reference

Claude Opus 4.7 vs DeepSeek V3

Claude Opus 4.7 (2026) and DeepSeek V3 (2024) are frontier reasoning models from Anthropic and DeepSeek. Claude Opus 4.7 ships a 1m-token context window, while DeepSeek V3 ships a 64k-token context window. On Chatbot Arena, Claude Opus 4.7 leads by 201 pts. On pricing, DeepSeek V3 costs $0.10/1M input tokens versus $5/1M 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.

DeepSeek V3 is ~4900% cheaper at $0.10/1M; pay for Claude Opus 4.7 only for coding workflow support.

Decision scorecard

Local evidence first
SignalClaude Opus 4.7DeepSeek V3
Best forreasoning-heavy apps, multimodal apps, and tool-calling agentstool-calling agents and provider-routed production
Decision fitCoding, RAG, and AgentsCoding, Agents, and Classification
Context window1m64k
Cheapest output$25/1M tokens$0.30/1M tokens
Provider routes6 tracked13 tracked
Shared benchmarksChatbot Arena leader1 rows

Decision tradeoffs

Choose Claude Opus 4.7 when...
  • Claude Opus 4.7 holds a shared-benchmark lead on Chatbot Arena, ahead by 201 points.
  • Claude Opus 4.7 has the larger context window for long prompts, retrieval packs, or transcript analysis.
  • Claude Opus 4.7 uniquely exposes Vision, Multimodal, and Reasoning in local model data.
  • Local decision data tags Claude Opus 4.7 for Coding, RAG, and Agents.
Choose DeepSeek V3 when...
  • DeepSeek V3 has the lower cheapest tracked output price at $0.30/1M tokens.
  • DeepSeek V3 has broader tracked provider coverage for fallback and procurement flexibility.
  • Local decision data tags DeepSeek V3 for Coding, Agents, and Classification.

Monthly cost at traffic

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

Lower estimate DeepSeek V3

Claude Opus 4.7

$10,250

Cheapest tracked route/tier: Anthropic

DeepSeek V3

$155

Cheapest tracked route/tier: Bitdeer AI

Estimated monthly gap: $10,095. Batch, cache, alternate speed tiers, and negotiated pricing are excluded from this local estimate.

Switch friction

Claude Opus 4.7 -> DeepSeek V3
  • Provider overlap exists on Microsoft Foundry, OpenRouter, and AWS Bedrock; start route-level A/B tests there.
  • DeepSeek V3 is $24.70/1M 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.
DeepSeek V3 -> Claude Opus 4.7
  • Provider overlap exists on AWS Bedrock, GCP Vertex AI, and Microsoft Foundry; start route-level A/B tests there.
  • Claude Opus 4.7 is $24.70/1M tokens higher on cheapest tracked output pricing, so quality gains need to justify the spend.
  • Claude Opus 4.7 adds Vision, Multimodal, and Reasoning in local capability data.

Specs

Specification
Released2026-04-162024-12-26
Context window1m64k
Parameters671B
Architecturedecoder onlymixture of experts
LicenseProprietaryMIT(OSI)
OpennessProprietaryOpen source
Commercial useCommercial use with conditionsCommercial use allowed
Knowledge cutoff2026-012024-04

Pricing and availability

Pricing attributeClaude Opus 4.7DeepSeek V3
Input price$5/1M tokens$0.10/1M tokens
Output price$25/1M tokens$0.30/1M tokens
Providers

Capabilities

CapabilityClaude Opus 4.7DeepSeek V3
VisionYesNo
MultimodalYesNo
ReasoningYesNo
Function callingYesYes
Tool useYesYes
Structured outputsYesYes
Code executionYesNo
IDE integrationNoNo
Computer useNoNo
Parallel agentsNoNo

Benchmarks

BenchmarkClaude Opus 4.7DeepSeek V3
Chatbot Arena1503.01302.0

Deep dive

On shared benchmark coverage, Chatbot Arena has Claude Opus 4.7 at 1503 and DeepSeek V3 at 1302, with Claude Opus 4.7 ahead by 201 points. The largest visible gap is 201 points on Chatbot Arena, which matters most when that benchmark mirrors your workload. Treat isolated benchmark wins as directional, because provider routing, prompt style, and tool access can move real application results.

The capability footprint differs most on vision: Claude Opus 4.7, multimodal input: Claude Opus 4.7, reasoning mode: Claude Opus 4.7, and code execution: Claude Opus 4.7. Both models share function calling, tool use, and structured outputs, so the practical split is not just feature count. Use those differences to decide whether the page is about raw model quality, agentic coding support, multimodal ingestion, or predictable structured API behavior.

For cost, Claude Opus 4.7 lists $5/1M input and $25/1M output tokens on the cheapest tracked provider, while DeepSeek V3 lists $0.10/1M input and $0.30/1M output tokens on the cheapest tracked provider. A 70/30 input-output blend puts DeepSeek V3 lower by about $10.84 per million blended tokens. Availability is 6 providers versus 13, so concentration risk also matters.

Choose Claude Opus 4.7 when coding workflow support and larger context windows are central to the workload. Choose DeepSeek V3 when provider fit, lower input-token cost, and broader provider choice are more important. For production, rerun your own prompts through the exact provider, region, and tool stack you plan to ship.

FAQ

Which has a larger context window, Claude Opus 4.7 or DeepSeek V3?

Claude Opus 4.7 supports 1m tokens, while DeepSeek V3 supports 64k tokens. That gap matters most for long documents, large codebases, retrieval-heavy agents, and conversations where earlier context must remain visible.

Which is cheaper, Claude Opus 4.7 or DeepSeek V3?

DeepSeek V3 is cheaper on tracked token pricing. Claude Opus 4.7 costs $5/1M input and $25/1M output tokens. DeepSeek V3 costs $0.10/1M input and $0.30/1M output tokens. Provider discounts or batch pricing can still change the final bill.

Is Claude Opus 4.7 or DeepSeek V3 open source?

Claude Opus 4.7 is listed under Proprietary. DeepSeek V3 is listed under MIT. License labels affect whether you can self-host, redistribute weights, or rely only on hosted APIs, so confirm the upstream license before deployment.

Which is better for vision, Claude Opus 4.7 or DeepSeek V3?

Claude Opus 4.7 has the clearer documented vision signal in this comparison. If vision is mission-critical, validate it against the provider endpoint because model-level support and API-level exposure can differ.

Which is better for multimodal input, Claude Opus 4.7 or DeepSeek V3?

Claude Opus 4.7 has the clearer documented multimodal input signal in this comparison. If multimodal input is mission-critical, validate it against the provider endpoint because model-level support and API-level exposure can differ.

Where can I run Claude Opus 4.7 and DeepSeek V3?

Claude Opus 4.7 is available on Anthropic, AWS Bedrock, GCP Vertex AI, Microsoft Foundry, and OpenRouter. DeepSeek V3 is available on DeepInfra, Fireworks AI, DeepSeek Platform, Microsoft Foundry, and OpenRouter. Provider coverage can affect latency, region availability, compliance posture, and fallback options.

Continue comparing

Last reviewed: 2026-05-25. Data sourced from public model cards and provider documentation.