Claude Opus 4.7 vs Kimi K2.6
Claude Opus 4.7 (2026) and Kimi K2.6 (2026) are agentic coding models from Anthropic and Moonshot AI. Claude Opus 4.7 ships a 1M-token context window, while Kimi K2.6 ships a 262K-token context window. On SWE-bench Verified, Claude Opus 4.7 leads by 7.4 pts. This comparison covers specs, pricing, capabilities, benchmarks, provider availability, and production fit. It focuses on practical selection signals rather than broad model-family marketing.
Claude Opus 4.7 is safer overall; choose Kimi K2.6 when coding workflow support matters.
Specs
| Released | 2026-04-16 | 2026-04-13 |
| Context window | 1M | 262K |
| Parameters | — | 1T (MoE, 32B active) |
| Architecture | decoder only | Mixture of Experts (MoE) |
| License | Proprietary | Proprietary |
| Knowledge cutoff | 2026-01 | - |
Pricing and availability
| Claude Opus 4.7 | Kimi K2.6 | |
|---|---|---|
| Input price | $5/1M tokens | - |
| Output price | $25/1M tokens | - |
| Providers |
Capabilities
| Claude Opus 4.7 | Kimi K2.6 | |
|---|---|---|
| Vision | ||
| Multimodal | ||
| Reasoning | ||
| Function calling | ||
| Tool use | ||
| Structured outputs | ||
| Code execution |
Benchmarks
| Benchmark | Claude Opus 4.7 | Kimi K2.6 |
|---|---|---|
| SWE-bench Verified | 87.6 | 80.2 |
Deep dive
On shared benchmark coverage, SWE-bench Verified has Claude Opus 4.7 at 87.6 and Kimi K2.6 at 80.2, with Claude Opus 4.7 ahead by 7.4 points. The largest visible gap is 7.4 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 tool use: Claude Opus 4.7, structured outputs: Claude Opus 4.7, and code execution: Claude Opus 4.7. Both models share vision, multimodal input, reasoning mode, and function calling, 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 Kimi K2.6 has no token price sourced yet. Provider availability is 5 tracked routes versus 2. 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 Kimi K2.6 when coding workflow support 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 Kimi K2.6?
Claude Opus 4.7 supports 1M tokens, while Kimi K2.6 supports 262K 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 Kimi K2.6 open source?
Claude Opus 4.7 is listed under Proprietary. Kimi K2.6 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 Kimi K2.6?
Both Claude Opus 4.7 and Kimi K2.6 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 Kimi K2.6?
Both Claude Opus 4.7 and Kimi K2.6 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 Kimi K2.6?
Both Claude Opus 4.7 and Kimi K2.6 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 Kimi K2.6?
Claude Opus 4.7 is available on Anthropic, AWS Bedrock, GCP Vertex AI, Microsoft Foundry, and OpenRouter. Kimi K2.6 is available on NVIDIA NIM and Moonshot AI Kimi. Provider coverage can affect latency, region availability, compliance posture, and fallback options.
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Last reviewed: 2026-04-27. Data sourced from public model cards and provider documentation.