AI BENCHY Compare
MoonshotAI: Kimi K2.5 vs OpenAI: GPT-5.3 Chat
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Last updated at: 2026-03-03
| Metric | MoonshotAI: Kimi K2.5 medium Release: 2026-01-27 | OpenAI: GPT-5.3 Chat none Release: 2026-03-03 |
|---|---|---|
| Rank | #25 | #14 |
| Avg Score | 6.29 | 7.27 |
| Consistency | 7.69 | 8.26 |
| Cost per result | 2.335 | 2.835 |
| Total Cost | $0.187 | $0.256 |
| Tests Correct | ||
| Attempt pass rate | 73.8% | 73.8% |
| Flaky tests | 4 | 3 |
| Output Tokens | 30,504 | 16,339 |
| Reasoning Tokens | 58,467 | 0 |
Score vs Total Cost
Category Breakdown
| Anti-AI Tricks | Score | Consistency | Attempt pass rate | Flaky tests | Tests Correct | Output Tokens | Reasoning Tokens |
|---|---|---|---|---|---|---|---|
| MoonshotAI: Kimi K2.5 | 7.00 | 7.21 | 88.9% | 1 | 335 | 6,255 | |
| OpenAI: GPT-5.3 Chat | 7.33 | 7.49 | 77.8% | 1 | 3,091 | 0 |
| Data parsing and extraction | Score | Consistency | Attempt pass rate | Flaky tests | Tests Correct | Output Tokens | Reasoning Tokens |
|---|---|---|---|---|---|---|---|
| MoonshotAI: Kimi K2.5 | 10.00 | 10.00 | 100.0% | 0 | 1,181 | 6,049 | |
| OpenAI: GPT-5.3 Chat | 9.88 | 10.00 | 100.0% | 0 | 942 | 0 |
| Domain specific | Score | Consistency | Attempt pass rate | Flaky tests | Tests Correct | Output Tokens | Reasoning Tokens |
|---|---|---|---|---|---|---|---|
| MoonshotAI: Kimi K2.5 | 1.00 | 4.41 | 33.3% | 2 | 20,696 | 30,894 | |
| OpenAI: GPT-5.3 Chat | 1.00 | 4.41 | 33.3% | 2 | 8,264 | 0 |
| Instructions following | Score | Consistency | Attempt pass rate | Flaky tests | Tests Correct | Output Tokens | Reasoning Tokens |
|---|---|---|---|---|---|---|---|
| MoonshotAI: Kimi K2.5 | 9.50 | 10.00 | 100.0% | 0 | 3,777 | 4,967 | |
| OpenAI: GPT-5.3 Chat | 8.50 | 9.99 | 50.0% | 0 | 1,455 | 0 |
| Puzzle Solving | Score | Consistency | Attempt pass rate | Flaky tests | Tests Correct | Output Tokens | Reasoning Tokens |
|---|---|---|---|---|---|---|---|
| MoonshotAI: Kimi K2.5 | 5.00 | 7.61 | 55.6% | 1 | 4,273 | 9,490 | |
| OpenAI: GPT-5.3 Chat | 10.00 | 10.00 | 100.0% | 0 | 1,726 | 0 |
| Tool Calling | Score | Consistency | Attempt pass rate | Flaky tests | Tests Correct | Output Tokens | Reasoning Tokens |
|---|---|---|---|---|---|---|---|
| MoonshotAI: Kimi K2.5 | 10.00 | 10.00 | 100.0% | 0 | 242 | 812 | |
| OpenAI: GPT-5.3 Chat | 10.00 | 10.00 | 100.0% | 0 | 861 | 0 |
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