Claude Opus 5vsKimi K3
Across 6 shared benchmarks, Claude Opus 5 leads overall: Claude Opus 5 wins 4, Kimi K3 wins 2, with 0 ties and an average score difference of +61.63.
Claude Opus 5
Anthropic · 2026-07-24 · Reasoning model
Kimi K3
Moonshot AI · 2026-07-16 · Reasoning model
Claude Opus 54 wins(67%)(33%)2 winsKimi K3
Benchmark scores
Grouped by capability, sorted by largest gap within each. 6 shared benchmarks.
Productivity Knowledge
Claude Opus 5 2/2| Benchmark | Claude Opus 5 | Kimi K3 | Diff |
|---|---|---|---|
| GDPval-AA v2 | 1,8611 / 5Max (With Tools) | 1,6682 / 5Max (With Tools) | +193 |
| AA-Briefcase | 1,7201 / 2Max (With Tools) | 1,5482 / 2Max (With Tools) | +172 |
AI Agent - Information Search
Kimi K3 1/1| Benchmark | Claude Opus 5 | Kimi K3 | Diff |
|---|---|---|---|
| BrowseComp | 90.802 / 53Max (With Tools + Internet) | 91.201 / 53Max (With Tools + Internet) | -0.40 |
AI Agent - Tool Usage
Kimi K3 1/1| Benchmark | Claude Opus 5 | Kimi K3 | Diff |
|---|---|---|---|
| Automation Bench | 262 / 2Max (With Tools) | 30.801 / 2Max (With Tools) | -4.80 |
Coding and Software Engineer
Claude Opus 5 1/1| Benchmark | Claude Opus 5 | Kimi K3 | Diff |
|---|---|---|---|
| DeepSWE | 68.804 / 19Max (With Tools) | 67.505 / 19Max (With Tools) | +1.30 |
General Knowledge
Claude Opus 5 1/1| Benchmark | Claude Opus 5 | Kimi K3 | Diff |
|---|---|---|---|
| HLE | 64.701 / 172Max (With Tools) | 5612 / 172Max (With Tools) | +8.70 |
Specs
| Field | Claude Opus 5 | Kimi K3 |
|---|---|---|
| Publisher | Anthropic | Moonshot AI |
| Release date | 2026-07-24 | 2026-07-16 |
| Model type | Reasoning model | Reasoning model |
| Architecture | Dense | MoE |
| Parameters | Not available | 2.8T |
| Context length | 1M | 1M |
| Max output | 128K | 1M |
API pricing
Prices use DataLearner records when available; missing fields are not inferred.
| Item | Claude Opus 5 | Kimi K3 |
|---|---|---|
| Text input | $5 / 1M tokens | ¥20 / 1M tokens |
| Text output | $25 / 1M tokens | ¥100 / 1M tokens |
| Cache read | $0.5 / 1M tokens | ¥2 / 1M tokens |
| Cache write | $6.25 / 1M tokens | Not public |
Summary
- Claude Opus 5leads in:Productivity Knowledge (2/2), Coding and Software Engineer (1/1), General Knowledge (1/1)
- Kimi K3leads in:AI Agent - Information Search (1/1), AI Agent - Tool Usage (1/1)
On average across the 6 shared benchmarks, Claude Opus 5 scores 61.63 higher.
Largest single-benchmark gap: GDPval-AA v2 — Claude Opus 5 1,861 vs Kimi K3 1,668 (+193).
Page generated from structured model, pricing and benchmark records. No real-time LLM is used to write the prose.