Claude Opus 4.7 vs DeepSeek V3.1
Claude Opus 4.7 (2026) and DeepSeek V3.1 (2025) are frontier reasoning models from Anthropic and DeepSeek. Claude Opus 4.7 ships a 1m-token context window, while DeepSeek V3.1 ships a 64k-token context window. On SWE-bench Verified, Claude Opus 4.7 leads by 21.6 pts. On pricing, DeepSeek V3.1 costs $0.27/1M 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 V3.1 is ~1752% cheaper at $0.27/1M; pay for Claude Opus 4.7 only for coding workflow support.
Decision scorecard
Local evidence first| Signal | Claude Opus 4.7 | DeepSeek V3.1 |
|---|---|---|
| Best for | reasoning-heavy apps, multimodal apps, and tool-calling agents | multimodal apps and provider-routed production |
| Decision fit | Coding, RAG, and Agents | Coding, Agents, and Vision |
| Context window | 1m | 64k |
| Cheapest output | $25/1M tokens | $1/1M tokens |
| Provider routes | 6 tracked | 8 tracked |
| Shared benchmarks | SWE-bench Verified leader | 1 rows |
Decision tradeoffs
- Claude Opus 4.7 holds a shared-benchmark lead on SWE-bench Verified, ahead by 21.6 points.
- Claude Opus 4.7 has the larger context window for long prompts, retrieval packs, or transcript analysis.
- Claude Opus 4.7 uniquely exposes Reasoning, Function calling, and Tool use in local model data.
- Local decision data tags Claude Opus 4.7 for Coding, RAG, and Agents.
- DeepSeek V3.1 has the lower cheapest tracked output price at $1/1M tokens.
- DeepSeek V3.1 has broader tracked provider coverage for fallback and procurement flexibility.
- Local decision data tags DeepSeek V3.1 for Coding, Agents, and Vision.
Monthly cost at traffic
Estimate token spend from the cheapest tracked input and output route or tier on this page.
Claude Opus 4.7
$10,250
Cheapest tracked route/tier: Anthropic
DeepSeek V3.1
$466
Cheapest tracked route/tier: Novita AI
Estimated monthly gap: $9,784. Batch, cache, alternate speed tiers, and negotiated pricing are excluded from this local estimate.
Switch friction
- Provider overlap exists on Microsoft Foundry, AWS Bedrock, and Vercel AI Gateway; start route-level A/B tests there.
- DeepSeek V3.1 is $24/1M tokens lower on cheapest tracked output pricing before cache, batch, or negotiated discounts.
- Check replacement coverage for Reasoning, Function calling, and Tool use before moving production traffic.
- Provider overlap exists on AWS Bedrock, Microsoft Foundry, and Vercel AI Gateway; start route-level A/B tests there.
- Claude Opus 4.7 is $24/1M tokens higher on cheapest tracked output pricing, so quality gains need to justify the spend.
- Claude Opus 4.7 adds Reasoning, Function calling, and Tool use in local capability data.
Specs
| Specification | ||
|---|---|---|
| Released | 2026-04-16 | 2025-08-21 |
| Context window | 1m | 64k |
| Parameters | — | 671B total, 37B active (MoE) |
| Architecture | decoder only | mixture of experts |
| License | Proprietary | MIT(OSI) |
| Openness | Proprietary | Open source |
| Commercial use | Commercial use with conditions | Commercial use allowed |
| Knowledge cutoff | 2026-01 | - |
Pricing and availability
| Pricing attribute | Claude Opus 4.7 | DeepSeek V3.1 |
|---|---|---|
| Input price | $5/1M tokens | $0.27/1M tokens |
| Output price | $25/1M tokens | $1/1M tokens |
| Providers |
Capabilities
| Capability | Claude Opus 4.7 | DeepSeek V3.1 |
|---|---|---|
| Vision | Yes | Yes |
| Multimodal | Yes | Yes |
| Reasoning | Yes | No |
| Function calling | Yes | No |
| Tool use | Yes | No |
| Structured outputs | Yes | Yes |
| Code execution | Yes | Yes |
| IDE integration | No | No |
| Computer use | No | No |
| Parallel agents | No | No |
Benchmarks
| Benchmark | Claude Opus 4.7 | DeepSeek V3.1 |
|---|---|---|
| SWE-bench Verified | 87.6 | 66.0 |
Deep dive
On shared benchmark coverage, SWE-bench Verified has Claude Opus 4.7 at 87.6 and DeepSeek V3.1 at 66, with Claude Opus 4.7 ahead by 21.6 points. The largest visible gap is 21.6 points on SWE-bench Verified, 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 reasoning mode: Claude Opus 4.7, function calling: Claude Opus 4.7, and tool use: Claude Opus 4.7. Both models share vision, multimodal input, structured outputs, and code execution, 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 V3.1 lists $0.27/1M input and $1/1M output tokens on the cheapest tracked provider. A 70/30 input-output blend puts DeepSeek V3.1 lower by about $10.51 per million blended tokens. Availability is 6 providers versus 8, 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 V3.1 when coding workflow support, 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 V3.1?
Claude Opus 4.7 supports 1m tokens, while DeepSeek V3.1 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 V3.1?
DeepSeek V3.1 is cheaper on tracked token pricing. Claude Opus 4.7 costs $5/1M input and $25/1M output tokens. DeepSeek V3.1 costs $0.27/1M input and $1/1M output tokens. Provider discounts or batch pricing can still change the final bill.
Is Claude Opus 4.7 or DeepSeek V3.1 open source?
Claude Opus 4.7 is listed under Proprietary. DeepSeek V3.1 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 V3.1?
Both Claude Opus 4.7 and DeepSeek V3.1 expose vision. The better choice depends on benchmark fit, context budget, pricing, and whether your provider route exposes the same capability surface. Use this as a quick comparison signal, then confirm the provider-specific limits before committing to production.
Which is better for multimodal input, Claude Opus 4.7 or DeepSeek V3.1?
Both Claude Opus 4.7 and DeepSeek V3.1 expose multimodal input. The better choice depends on benchmark fit, context budget, pricing, and whether your provider route exposes the same capability surface.
Where can I run Claude Opus 4.7 and DeepSeek V3.1?
Claude Opus 4.7 is available on Anthropic, AWS Bedrock, GCP Vertex AI, Microsoft Foundry, and OpenRouter. DeepSeek V3.1 is available on Microsoft Foundry, Fireworks AI, NVIDIA NIM, Together AI, and AWS Bedrock. Provider coverage can affect latency, region availability, compliance posture, and fallback options.
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Last reviewed: 2026-05-25. Data sourced from public model cards and provider documentation.