Claude Opus 4.7 vs Kimi K2.6

Benchmarks, API pricing and specs, head to head. Data updated 2026-06-10.

Claude Opus 4.7

Anthropic · Mar 2026

The early-2026 Opus release that pushed SWE-bench past 82% and extended the 1M context to the whole Opus line.

Kimi K2.6

Moonshot AI · Apr 2026

Moonshot's multimodal flagship that ties GPT-5.5 on several coding evaluations at a fraction of the price, with open weights.

The verdict

Kimi K2.6 wins 1 of the 1 benchmarks these models share, against 0 for Claude Opus 4.7. On price the gap is dramatic: Kimi K2.6 works out roughly 5.8x cheaper per blended million tokens. Claude Opus 4.7 also takes 1M of context versus 262K for Kimi K2.6. And Kimi K2.6 is open-weights (Modified MIT), so it can be self-hosted — a structural advantage if data control or vendor independence matters.

Benchmark head-to-head 01

SWE-bench Verified
82%~82.5%
Claude Opus 4.7Kimi K2.6

Specs & pricing

Claude Opus 4.7Kimi K2.6
modhub Index
Input price / 1M$5$0.95
Output price / 1M$25$4
Context window1M262K
Max output64K262K
Open weightsnoyes (Modified MIT)
Reasoning modelyesyes
Multimodal inputtext, imagetext, image
Knowledge cutoffNov 2025Feb 2026
ReleasedMar 2026Apr 2026
Example monthly cost*$87.50$15.50

* 10M input + 1.5M output tokens per month at list prices, no caching. Green = better value on that row.

Frequently asked questions

Which is better, Claude Opus 4.7 or Kimi K2.6?
Kimi K2.6 wins 1 of the 1 benchmarks these models share, against 0 for Claude Opus 4.7. On price the gap is dramatic: Kimi K2.6 works out roughly 5.8x cheaper per blended million tokens. Claude Opus 4.7 also takes 1M of context versus 262K for Kimi K2.6. And Kimi K2.6 is open-weights (Modified MIT), so it can be self-hosted — a structural advantage if data control or vendor independence matters.
Which is cheaper, Claude Opus 4.7 or Kimi K2.6?
Claude Opus 4.7 costs $5/$25 per million input/output tokens, while Kimi K2.6 costs $0.95/$4. For a typical workload of 10M input and 1.5M output tokens per month, that's $87.50 versus $15.50.
Which model is better for coding, Claude Opus 4.7 or Kimi K2.6?
On SWE-bench Verified — the standard agentic-coding benchmark — Kimi K2.6 scores ~82.5% versus 82% for Claude Opus 4.7, making Kimi K2.6 the stronger pick for coding agents.

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