Compare · ModelsLive · 2 picked · head to head
gpt-oss-120b vs Kimi K2 0711
Side by side · benchmarks, pricing, and signals you can act on.
Winner summary
Kimi K2 0711 wins on 8/11 benchmarks
Kimi K2 0711 wins 8 of 11 shared benchmarks. Leads in coding · knowledge · language.
Category leads
coding·Kimi K2 0711knowledge·Kimi K2 0711language·Kimi K2 0711math·gpt-oss-120breasoning·Kimi K2 0711
Hype vs Reality
Attention vs performance
gpt-oss-120b
#106 by perf·no signal
Kimi K2 0711
#61 by perf·no signal
Best value
gpt-oss-120b
10.5x better value than Kimi K2 0711
gpt-oss-120b
409.6 pts/$
$0.11/M
Kimi K2 0711
39.2 pts/$
$1.43/M
Vendor risk
Who is behind the model
OpenAI
$840.0B·Tier 1
moonshotai
private · undisclosed
Head to head
11 benchmarks · 2 models
gpt-oss-120bKimi K2 0711
Aider polyglot
Kimi K2 0711 leads by +17.3
Aider Polyglot · measures how well AI models can edit code across multiple programming languages using the Aider coding assistant framework.
gpt-oss-120b
41.8
Kimi K2 0711
59.1
Fiction.LiveBench
Kimi K2 0711 leads by +16.7
Fiction.LiveBench · a continuously updated benchmark using recently published fiction to test reading comprehension and reasoning, preventing data contamination.
gpt-oss-120b
44.4
Kimi K2 0711
61.1
HELM · GPQA
gpt-oss-120b leads by +3.2
gpt-oss-120b
68.4
Kimi K2 0711
65.2
HELM · IFEval
Kimi K2 0711 leads by +1.4
gpt-oss-120b
83.6
Kimi K2 0711
85.0
HELM · MMLU-Pro
Kimi K2 0711 leads by +2.4
gpt-oss-120b
79.5
Kimi K2 0711
81.9
HELM · Omni-MATH
gpt-oss-120b leads by +3.4
gpt-oss-120b
68.8
Kimi K2 0711
65.4
HELM · WildBench
Kimi K2 0711 leads by +1.7
gpt-oss-120b
84.5
Kimi K2 0711
86.2
Lech Mazur Writing
Kimi K2 0711 leads by +9.7
Lech Mazur Writing · evaluates creative writing ability, assessing prose quality, narrative coherence, and stylistic sophistication.
gpt-oss-120b
77.3
Kimi K2 0711
86.9
SimpleBench
Kimi K2 0711 leads by +5.0
SimpleBench · tests fundamental reasoning capabilities with straightforward problems designed to expose gaps in basic logical and spatial thinking.
gpt-oss-120b
6.5
Kimi K2 0711
11.6
Terminal Bench
Kimi K2 0711 leads by +9.1
Terminal Bench · tests the ability to accomplish real-world tasks using terminal commands, evaluating shell scripting and CLI tool proficiency.
gpt-oss-120b
18.7
Kimi K2 0711
27.8
WeirdML
gpt-oss-120b leads by +8.8
WeirdML · tests models on unusual and adversarial machine learning tasks that require creative problem-solving beyond standard patterns.
gpt-oss-120b
48.2
Kimi K2 0711
39.4
Full benchmark table
| Benchmark | gpt-oss-120b | Kimi K2 0711 |
|---|---|---|
Aider polyglot Aider Polyglot · measures how well AI models can edit code across multiple programming languages using the Aider coding assistant framework. | 41.8 | 59.1 |
Fiction.LiveBench Fiction.LiveBench · a continuously updated benchmark using recently published fiction to test reading comprehension and reasoning, preventing data contamination. | 44.4 | 61.1 |
HELM · GPQA | 68.4 | 65.2 |
HELM · IFEval | 83.6 | 85.0 |
HELM · MMLU-Pro | 79.5 | 81.9 |
HELM · Omni-MATH | 68.8 | 65.4 |
HELM · WildBench | 84.5 | 86.2 |
Lech Mazur Writing Lech Mazur Writing · evaluates creative writing ability, assessing prose quality, narrative coherence, and stylistic sophistication. | 77.3 | 86.9 |
SimpleBench SimpleBench · tests fundamental reasoning capabilities with straightforward problems designed to expose gaps in basic logical and spatial thinking. | 6.5 | 11.6 |
Terminal Bench Terminal Bench · tests the ability to accomplish real-world tasks using terminal commands, evaluating shell scripting and CLI tool proficiency. | 18.7 | 27.8 |
WeirdML WeirdML · tests models on unusual and adversarial machine learning tasks that require creative problem-solving beyond standard patterns. | 48.2 | 39.4 |
Pricing · per 1M tokens · projected $/mo at 10M tokens
| Model | Input | Output | Context | Projected $/mo |
|---|---|---|---|---|
| gpt-oss-120b | $0.04 | $0.19 | 131K tokens (~66 books) | $0.77 |
| Kimi K2 0711 | $0.57 | $2.30 | 131K tokens (~66 books) | $10.03 |