Model comparison
Kimi K2.7 Code vs Llama 3.1-8B
Kimi K2.7 Code is the stronger model overall, scoring 43.3 to 23.0 on the Noometry Index. Llama 3.1-8B costs 30× less per token, which makes it the better buy when Kimi K2.7 Code's lead doesn't matter for your workload.
Last verified . 7 shared benchmarks.
MetaSummary
- They share 7 benchmarks with published results for both. Kimi K2.7 Code scores higher in 5 categories and Llama 3.1-8B in 0 categories; 5 gaps are clear of the uncertainty.
- The widest gap is in knowledge, where Kimi K2.7 Code leads 53.5 to 8.0.
- The biggest single-benchmark swing is OTIS Mock AIME 2024-2025: 95.6% for Kimi K2.7 Code and 1.7% for Llama 3.1-8B.
- Llama 3.1-8B is cheaper at $0.05 / $0.08 per million input/output tokens, against $0.95 / $4 for Kimi K2.7 Code.
- Kimi K2.7 Code accepts more context: 262K tokens versus 128K.
Side by side
| Kimi K2.7 Code | Llama 3.1-8B | |
|---|---|---|
| Provider | Moonshot AI | Meta |
| Noometry Index | 43.3 | 23.0 |
| Released | 2026-06-12 | 2024-07-23 |
| Weights | Open | Open |
| Context window | 262K | 128K |
| Max output | 262K | 4K |
| Input $ / M tokens | $0.95 | $0.05 |
| Output $ / M tokens | $4 | $0.08 |
| Results tracked | 19 | 43 |
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Category by category
Coding Kimi K2.7 Code leads
Kimi K2.7 Code: 42.9 (#95), Llama 3.1-8B: 20.2 (#340)
| Benchmark | Kimi K2.7 Code | Llama 3.1-8B |
|---|---|---|
| SciCode | 47.5% | 13.2% |
| WeirdML | 54.1% | 1.7% |
| DeepSWE | 30.5% | — |
| FrontierCode | 30.1% | — |
| LMArena WebDev | 1473 | — |
| BigCodeBench Instruct | — | 32.8% |
| LMArena Coding | — | 1195 |
| BigCodeBench Complete | — | 40.5% |
| ALE-Bench | 886.23 | — |
| HumanEval+ | — | 62.8% |
| MBPP+ | — | 55.6% |
Agentic & Tool Use Kimi K2.7 Code leads
Kimi K2.7 Code: 24.0 (#122), Llama 3.1-8B: 22.5 (#131)
| Benchmark | Kimi K2.7 Code | Llama 3.1-8B |
|---|---|---|
| APEX-Agents | 37.6% | — |
| Berkeley Function Calling Leaderboard | — | 25.8% |
| BALROG | — | 15.1% |
| GBAEval | 0.9% | — |
| Vending-Bench 2 | 5,083 | — |
Reasoning Kimi K2.7 Code leads
Kimi K2.7 Code: 39.0 (#61), Llama 3.1-8B: 14.9 (#321)
| Benchmark | Kimi K2.7 Code | Llama 3.1-8B |
|---|---|---|
| CritPt | 10% | 0% |
| Chess Puzzles | 21% | 0% |
| Epoch Capabilities Index | 149.97 | 116.57 |
| SimpleBench | 57.9% | — |
| LMArena Hard Prompts | — | 1175 |
| DTBench | — | 50.9% |
| LMCA | — | 5.4% |
| Surface Evolver Bench | 48.8% | — |
| PIQA | — | 81.2% |
Math Kimi K2.7 Code leads
Kimi K2.7 Code: 52.9 (#48), Llama 3.1-8B: 10.2 (#317)
| Benchmark | Kimi K2.7 Code | Llama 3.1-8B |
|---|---|---|
| OTIS Mock AIME 2024-2025 | 95.6% | 1.7% |
| FrontierMath (Tiers 1-3) | 54% | — |
| FrontierMath Tier 4 | 12.2% | — |
| Omni-MATH | — | 13.7% |
| LMArena Math | — | 1179 |
| MATH Level 5 | — | 22.9% |
| GSM8K | — | 82.4% |
Knowledge Kimi K2.7 Code leads
Kimi K2.7 Code: 53.5 (#57), Llama 3.1-8B: 8.0 (#307)
| Benchmark | Kimi K2.7 Code | Llama 3.1-8B |
|---|---|---|
| GPQA Diamond | 87.9% | 27% |
| SimpleQA Verified | 36.5% | — |
| MMLU-Pro | — | 40.6% |
| GPQA (HELM) | — | 24.7% |
| LMArena Expert | — | 1144 |
| BoolQ | — | 82.8% |
| MMLU | — | 56.1% |
Multilingual Not comparable
Kimi K2.7 Code: —, Llama 3.1-8B: 34.0 (#249)
| Benchmark | Kimi K2.7 Code | Llama 3.1-8B |
|---|---|---|
| LMArena Non-English | — | 1148 |
| LMArena Chinese | — | 1151 |
| LMArena French | — | 1177 |
| LMArena German | — | 1144 |
| LMArena Japanese | — | 1061 |
| LMArena Korean | — | 1053 |
| LMArena Russian | — | 1158 |
| LMArena Spanish | — | 1169 |
Instruction Following Not comparable
Kimi K2.7 Code: —, Llama 3.1-8B: 58.9 (#258)
| Benchmark | Kimi K2.7 Code | Llama 3.1-8B |
|---|---|---|
| IFEval | — | 74.3% |
| LMArena Instruction Following | — | 1159 |
Long Context Not comparable
Kimi K2.7 Code: —, Llama 3.1-8B: 35.8 (#238)
| Benchmark | Kimi K2.7 Code | Llama 3.1-8B |
|---|---|---|
| LMArena Longer Query | — | 1182 |
Writing & Preference Not comparable
Kimi K2.7 Code: —, Llama 3.1-8B: 29.7 (#290)
| Benchmark | Kimi K2.7 Code | Llama 3.1-8B |
|---|---|---|
| LMArena Text | — | 1187 |
| LMArena Creative Writing | — | 1154 |
| EQ-Bench Creative Writing | — | 713 |
| WildBench | — | 68.7% |
| LMArena Multi-Turn | — | 1172 |
Frequently asked questions
Is Kimi K2.7 Code better than Llama 3.1-8B?
Kimi K2.7 Code is the stronger model overall, scoring 43.3 to 23.0 on the Noometry Index. Llama 3.1-8B costs 30× less per token, which makes it the better buy when Kimi K2.7 Code's lead doesn't matter for your workload.
Which is cheaper, Kimi K2.7 Code or Llama 3.1-8B?
Llama 3.1-8B is cheaper. It lists at $0.05 per million input tokens and $0.08 per million output tokens; Kimi K2.7 Code lists at $0.95 and $4.
Is Kimi K2.7 Code or Llama 3.1-8B better for coding?
Kimi K2.7 Code scores higher on coding benchmarks: 42.9 versus 20.2 in the Noometry coding category.
Which has the bigger context window?
Kimi K2.7 Code does, with 262K tokens against 128K.
How many benchmarks do Kimi K2.7 Code and Llama 3.1-8B share?
7 benchmarks have published results for both models. Kimi K2.7 Code has 19 scored results on Noometry and Llama 3.1-8B has 43.