Model comparison
Claude Opus 4.7 vs Kimi K2.5 (Reasoning)
Head-to-head evidence from 16 shared benchmark results across 6 categories. Overall scores shown here use the public BenchAlign v5 ranking lane.
BenchAlign evidence: Claude Opus 4.7 supported; Kimi K2.5 (Reasoning) estimated. Intervals and evidence labels describe ranking uncertainty, not a guarantee for a specific workload.
Evidence parity. Claude Opus 4.7 and Kimi K2.5 (Reasoning) share 16 comparable benchmark results. 0 of 8 categories are comparable. 6 results are unique to Claude Opus 4.7; 12 to Kimi K2.5 (Reasoning).
Updated July 15, 2026- Shared results
- 16
- Claude Opus 4.7 only
- 6
- Kimi K2.5 (Reasoning) only
- 12
- Comparable categories
- 0 / 8
Benchmark data for Claude Opus 4.7 and Kimi K2.5 (Reasoning) is coming soon on BenchLM.
Confidence note. This is a partial-evidence comparison with 16 shared benchmark results across 6 evidence categories; 0 of 8 categories currently have scoreable aggregates for both models. Treat the verdict as directional until coverage is more balanced.
Why this result
BenchLM has partial data for these models, but not enough overlapping benchmark coverage to produce a fair score-level comparison yet.
Claude Opus 4.7 is priced at $5.00 input / $25.00 output per 1M tokens, versus $0.60 input / $3.00 output per 1M tokens for Kimi K2.5 (Reasoning). Claude Opus 4.7 has the larger context window at 1M, compared with 128K for Kimi K2.5 (Reasoning).
Category breakdown
Exact category averages are shown below. Not measured means BenchLM does not have enough sourced public coverage for that model and category.
| Category | Claude Opus 4.7 | Δ | Kimi K2.5 (Reasoning) |
|---|---|---|---|
| Agentic | Claude Opus 4.7Not measured | MarginNo overlap | Kimi K2.5 (Reasoning)55.0 |
| Coding | Claude Opus 4.7Not measured | MarginNo overlap | Kimi K2.5 (Reasoning)76.8 |
| Knowledge | Claude Opus 4.7Not measured | MarginNo overlap | Kimi K2.5 (Reasoning)87.2 |
| Math | Claude Opus 4.738.6 | MarginNo overlap | Kimi K2.5 (Reasoning)Not measured |
| Multimodal | Claude Opus 4.7Not measured | MarginNo overlap | Kimi K2.5 (Reasoning)78.5 |
Operational comparison
Runtime and commercial metrics are compared only when both models have a complete sourced value.
| Metric | Claude Opus 4.7 | Kimi K2.5 (Reasoning) | Comparison |
|---|---|---|---|
| Input / output priceUSD per 1M tokens | Claude Opus 4.7$5 input / $25 output | Kimi K2.5 (Reasoning)$0.6 input / $3 output | Kimi K2.5 (Reasoning) has the lower combined listed price. |
| Generation speedtokens per second | Claude Opus 4.7Not available | Kimi K2.5 (Reasoning)Not available | A complete speed comparison is not available. |
| First-answer latencyseconds to first token | Claude Opus 4.7Not available | Kimi K2.5 (Reasoning)Not available | A complete latency comparison is not available. |
| Context windowmaximum listed tokens | Claude Opus 4.71M | Kimi K2.5 (Reasoning)128K | Claude Opus 4.7 lists the larger context window. |
Benchmark Deep Dive
Agentic10 benchmarks
| Benchmark | Claude Opus 4.7 | Kimi K2.5 (Reasoning) | Result |
|---|---|---|---|
| τ²-bench resultsSource | 74% | 95.9% | Kimi K2.5 (Reasoning) leads |
| Gert LabsSource | 65.59% | 32.58% | Claude Opus 4.7 leads |
| ResearchClawBenchSource | 20.7% | — | Not comparable |
| OSWorld 2.0Source | 13.9% | — | Not comparable |
| Terminal-Bench 2.0Source | — | 50.8% | Not comparable |
| BrowseCompSource | — | 60.6% | Not comparable |
| APEX-Agents-AASource | — | 11.5% | Not comparable |
| AA Agentic IndexSource | — | 21.7% | Not comparable |
| GDPval-AASource | — | 25.4% | Not comparable |
| GDPval-AASource | — | 1009 | Not comparable |
Coding7 benchmarks
| Benchmark | Claude Opus 4.7 | Kimi K2.5 (Reasoning) | Result |
|---|---|---|---|
| Vibe Code BenchSource | 71.00% | 17.54% | Claude Opus 4.7 leads |
| React Native EvalsSource | 82.8% | — | Not comparable |
| Terminal-Bench HardSource | 54.5% | 34.8% | Claude Opus 4.7 leads |
| AA-SciCodeSource | 50.1% | 49.0% | Claude Opus 4.7 leads |
| FrontierCodeSource | 38.5% | — | Not comparable |
| SWE-bench VerifiedSource | — | 76.8% | Not comparable |
| AA Coding IndexSource | — | 46.8% | Not comparable |
Reasoning2 benchmarks
Knowledge8 benchmarks
| Benchmark | Claude Opus 4.7 | Kimi K2.5 (Reasoning) | Result |
|---|---|---|---|
| Artificial Analysis Intelligence IndexSource | 42.7% | 35.4% | Claude Opus 4.7 leads |
| AA-GPQA DiamondSource | 88.5% | 87.9% | Claude Opus 4.7 leads |
| AA-HLESource | 31.2% | 29.4% | Claude Opus 4.7 leads |
| AA-Omniscience IndexSource | 14.2% | -8.1% | Claude Opus 4.7 leads |
| AA-Omniscience AccuracySource | 43.5% | 34.3% | Claude Opus 4.7 leads |
| AA-Omniscience Hallucination RateSource | 51.9% | 64.6% | Claude Opus 4.7 leads |
| GPQASource | — | 87.6% | Not comparable |
| MMLU-ProSource | — | 87.1% | Not comparable |
Math3 benchmarks
Multimodal3 benchmarks
Inst. Following1 benchmarks
| Benchmark | Claude Opus 4.7 | Kimi K2.5 (Reasoning) | Result |
|---|---|---|---|
| AA-IFBenchSource | 43.6% | 70.2% | Kimi K2.5 (Reasoning) leads |
Frequently Asked Questions (3)
Can I compare Claude Opus 4.7 and Kimi K2.5 (Reasoning) on BenchLM yet?
Not fully yet. BenchLM is tracking both models, but the sourced benchmark breakdown for this comparison is still coming soon.
Why does this comparison show “coming soon”?
BenchLM only shows category winners and benchmark-level calls when we have sourced results that can be compared fairly. For these models, the public benchmark coverage is not complete enough yet.
What data is available for Claude Opus 4.7 and Kimi K2.5 (Reasoning) today?
Claude Opus 4.7: $5.00 input / $25.00 output per 1M tokens Kimi K2.5 (Reasoning): $0.60 input / $3.00 output per 1M tokens Both model pages still include creator, context window, reasoning mode, and other metadata while benchmark coverage fills in.
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