Claude Opus 4.7 vs Kimi K2 for summarizing pdfs: which is better in 2026?
A head-to-head look at Claude Opus 4.7 and Kimi K2 for summarizing pdfs. Benchmarks via artificialanalysis.ai, pricing as of May 2026. Compare AI models like these inside Admix.
Quick verdict
For summarizing pdfs in May 2026, Kimi K2 edges out Claude Opus 4.7 on the contextWindow metric. Matches Gemini context at a much lower price.
Side-by-side specs
| Spec | Claude | Kimi |
|---|---|---|
| Intelligence index | 76.9 | 70.4 |
| Coding index | 82.3 | 68.9 |
| Context window | 1M tokens | 2M tokens |
| Speed (tok/s) | 88 | 110 |
| Input $/M | $15.00 | $0.60 |
| Output $/M | $75.00 | $2.50 |
| Released | Apr 23, 2026 | Dec 11, 2025 |
How they handle summarizing pdfs
Claude Opus 4.7: Best-in-class agentic coding. The main caveat is premium pricing on output tokens.
Kimi K2: Matches Gemini context at a much lower price.
Cost per 1,000 queries
Assuming 1,500 input and 800 output tokens per query:
- Claude Opus 4.7: $82.50 per 1,000 queries
- Kimi K2: $2.90 per 1,000 queries
Verdict by sub-task
- Best raw quality on summarizing pdfs:
- Best price: Kimi K2
- Longest context: Kimi K2
- Fastest: Kimi K2
FAQ
Is Claude Opus 4.7 better than Kimi K2 for summarizing pdfs?
On May 2026 benchmarks (artificialanalysis.ai), Kimi K2 ranks higher than Claude Opus 4.7 for summarizing pdfs on the contextWindow metric. The gap is small enough that the choice often comes down to price, context length, and tone.
Which is cheaper, Claude Opus 4.7 or Kimi K2?
Claude Opus 4.7 costs $15.00 input and $75.00 output per million tokens. Kimi K2 costs $0.60 input and $2.50 output per million tokens.
Can I use both Claude and Kimi in one app?
Yes. Admix is a multi model AI chat aggregator that lets you run Claude Opus 4.7 and Kimi K2 side by side under one subscription.
Sources
Benchmarks from artificialanalysis.ai (May 2026).
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