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Compare performance benchmarks, coding intelligence, reasoning evaluations, context limits, and API economics between Kimi K3.1 Pro (Moonshot AI) and Ling 3.1 Flash (InclusionAI).
| Metric / Capability | Kimi K3.1 Pro | Ling 3.1 Flash |
|---|---|---|
| Developer / Organization | Moonshot AI | InclusionAI |
| Release Date | 2026-10-23 | 2026-10-02 |
| Deployment / Weights | Proprietary Cloud API | Proprietary Cloud API |
| Context Window | 1.0M tokens (1,048,576 tokens) | 262K tokens (262,144 tokens) |
| Input Pricing (/1M Tokens) | $2 | $0.075 |
| Output Pricing (/1M Tokens) | $10 | $0.225 |
| Benchmark / Domain | Kimi K3.1 Pro | Ling 3.1 Flash | Advantage |
|---|---|---|---|
Artificial Analysis Intelligence Index Composite index aggregating 10+ evaluations of general reasoning and knowledge. | 55.1% | 41.1% | Kimi K3.1 Pro (+34%) |
SWE-bench Pro Harder, contamination-resistant successor to SWE-bench spanning multiple languages. | — | 68.7% | — |
Terminal-Bench 4.0 Sandboxed command-line tasks requiring shell and file-system operation. | 65.7% | 46.0% | Kimi K3.1 Pro (+43%) |
GPQA Diamond Graduate-level physics, chemistry, and biology questions written by domain experts. | 94.2% | — | — |
Humanity's Last Exam Expert-written questions across hundreds of disciplines designed to resist saturation. | 51.1% | 37.4% | Kimi K3.1 Pro (+37%) |
Design Arena ELO Human-preference ELO across UI, 3D, data-visualization, and game-dev generations. | 1448 | — | — |
Kimi K3.1 Pro leads across 3 evaluated benchmarks compared to 0 for Ling 3.1 Flash, showing notable advantages in Artificial Analysis Intelligence Index, Terminal-Bench 4.0, Humanity's Last Exam.
Kimi K3.1 Pro offers a larger context capacity of 1.0M tokens (1,048,576 tokens), compared to 262K tokens for Ling 3.1 Flash.
Ling 3.1 Flash is more economical. Input tokens cost $0.075/M tokens compared to $2/M tokens for Kimi K3.1 Pro.
Kimi K3.1 Pro is a proprietary cloud API. Ling 3.1 Flash is a proprietary cloud API.
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