Claude Opus 4.7 vs Grok 4.1
Claude Opus 4.7 (2026) and Grok 4.1 (2025) are frontier-tier reasoning models from Anthropic and xAI. Claude Opus 4.7 ships a 1m-token context window, while Grok 4.1 ships a 131k-token context window. On Chatbot Arena, Claude Opus 4.7 leads by 39 pts. This comparison covers specs, pricing, API access, capabilities, benchmarks, input and output token costs, and production fit for coding and agent workloads.
Claude Opus 4.7 fits 8x more tokens; pick it for long-context work and Grok 4.1 for tighter calls.
Decision scorecard
Local evidence first| Signal | Claude Opus 4.7 | Grok 4.1 |
|---|---|---|
| Best for | reasoning-heavy apps, multimodal apps, and tool-calling agents | reasoning-heavy apps, multimodal apps, and tool-calling agents |
| Decision fit | Coding, RAG, and Agents | RAG, Agents, and Long context |
| Context window | 1m | 131k |
| Cheapest output | $25/1M tokens | - |
| Provider routes | 7 tracked | 0 tracked |
| Shared benchmarks | Chatbot Arena leader | 1 rows |
Decision tradeoffs
- Claude Opus 4.7 leads the largest shared benchmark signal on Chatbot Arena by 39 points.
- Claude Opus 4.7 has the larger context window for long prompts, retrieval packs, or transcript analysis.
- Claude Opus 4.7 has broader tracked provider coverage for fallback and procurement flexibility.
- Claude Opus 4.7 uniquely exposes Vision, Structured outputs, and Code execution in local model data.
- Local decision data tags Claude Opus 4.7 for Coding, RAG, and Agents.
- Local decision data tags Grok 4.1 for RAG, Agents, and Long context.
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
Grok 4.1
Unavailable
No complete token price in local provider data
Cost delta unavailable until both models have sourced input and output token prices.
Switch friction
- No overlapping tracked provider route is sourced for Claude Opus 4.7 and Grok 4.1; plan for SDK, billing, or endpoint changes.
- Check replacement coverage for Vision, Structured outputs, and Code execution before moving production traffic.
- No overlapping tracked provider route is sourced for Grok 4.1 and Claude Opus 4.7; plan for SDK, billing, or endpoint changes.
- Claude Opus 4.7 adds Vision, Structured outputs, and Code execution in local capability data.
Specs
| Specification | ||
|---|---|---|
| Released | 2026-04-16 | 2025-11-17 |
| Context window | 1m | 131k |
| Parameters | — | — |
| Architecture | decoder only | - |
| License | Proprietary | Proprietary |
| Knowledge cutoff | 2026-01 | 2024-11 |
Pricing and availability
| Pricing attribute | Claude Opus 4.7 | Grok 4.1 |
|---|---|---|
| Input price | $5/1M tokens | - |
| Output price | $25/1M tokens | - |
| Providers | - |
Capabilities
| Capability | Claude Opus 4.7 | Grok 4.1 |
|---|---|---|
| Vision | Yes | No |
| Multimodal | Yes | Yes |
| Reasoning | Yes | Yes |
| Function calling | Yes | Yes |
| Tool use | Yes | Yes |
| Structured outputs | Yes | No |
| Code execution | Yes | No |
| IDE integration | No | No |
| Computer use | No | No |
| Parallel agents | No | No |
Benchmarks
| Benchmark | Claude Opus 4.7 | Grok 4.1 |
|---|---|---|
| Chatbot Arena | 1503.0 | 1464.0 |
Deep dive
On shared benchmark coverage, Chatbot Arena has Claude Opus 4.7 at 1503 and Grok 4.1 at 1464, with Claude Opus 4.7 ahead by 39 points. The largest visible gap is 39 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, structured outputs: Claude Opus 4.7, and code execution: Claude Opus 4.7. Both models share multimodal input, reasoning mode, function calling, and tool use, 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.
Pricing coverage is uneven: Claude Opus 4.7 has $5/1M input tokens and Grok 4.1 has no token price sourced yet. Provider availability is 7 tracked routes versus 0. Treat unknown pricing as an integration gap, then verify the route you will actually call before estimating production spend.
Choose Claude Opus 4.7 when coding workflow support, larger context windows, and broader provider choice are central to the workload. Choose Grok 4.1 when provider fit 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 Grok 4.1?
Claude Opus 4.7 supports 1m tokens, while Grok 4.1 supports 131k tokens. That gap matters most for long documents, large codebases, retrieval-heavy agents, and conversations where earlier context must remain visible.
Is Claude Opus 4.7 or Grok 4.1 open source?
Claude Opus 4.7 is listed under Proprietary. Grok 4.1 is listed under Proprietary. 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 Grok 4.1?
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 Grok 4.1?
Both Claude Opus 4.7 and Grok 4.1 expose multimodal input. The better choice depends on benchmark fit, context budget, pricing, and whether your provider route exposes the same capability surface.
Which is better for reasoning mode, Claude Opus 4.7 or Grok 4.1?
Both Claude Opus 4.7 and Grok 4.1 expose reasoning mode. 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 Grok 4.1?
Claude Opus 4.7 is available on Anthropic, AWS Bedrock, GCP Vertex AI, Microsoft Foundry, and OpenRouter. Grok 4.1 is available on the tracked providers still being sourced. 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.