Llama 3.1 8B Instruct vs Kimi K2 Instruct
At a Glance
| Compare |  Kimi K2 InstructMoonshot AI | |
|---|---|---|
| Pricing and Limits | ||
| Input priceFrom · USD / 1M tokens | $0.050Openrouter ↗ · Sep 23, 2026 | $0.57Openrouter ↗ · Aug 29, 2026 |
| Output priceFrom · USD / 1M tokens | $0.080Openrouter ↗ · Sep 23, 2026 | $2.30Openrouter ↗ · Aug 29, 2026 |
| Context windowMaximum documented tokens | 131K | 131K |
| Model facts checked | Aug 28, 2026View model evidence → | Aug 28, 2026View model evidence → |
Token prices are the lowest available sourced USD rates; input and output may use different providers. Cost ranking estimates output spend on LiveBench, not a full request bill. Ranking methodology →
Available Benchmarks
| Benchmark | Llama-3.1-8B-Instruct | Kimi-K2-Instruct |
|---|---|---|
| Berkeley Function Calling Leaderboardv4-ede5081a24bc · overall_accuracy · leader | 25.8344% of row best · percent · Llama-3.1-8B-Instruct (Prompt) | 59.06100% of row best · percent · Moonshotai-Kimi-K2-Instruct (FC) |
| Overall ResultCounted from the protocol-matched rows above | 0 benchmark winsNo overall winner | 1 benchmark winNo overall winner |
Third-party benchmark Only like-for-like primary-publisher results are shown; raw scores, relative scores, configuration, and token spend remain visible.
Side-by-Side Facts
| Field | Llama-3.1-8B-Instruct | Kimi-K2-Instruct |
|---|---|---|
| Developer | Meta | Moonshot AI |
| Family | Llama 3 1 8b Instruct | Kimi K2 Instruct |
| Model | Llama-3.1-8B-Instruct | Kimi-K2-Instruct |
| Version | Llama-3.1-8B-Instruct | Kimi-K2-Instruct |
| Lifecycle | active | active |
| Released | 2024-07-23 | 2025-07-11 |
| Knowledge cutoff | Unknown | Unknown |
| Input modalities | Text | Text |
| Output modalities | Text | Text |
| Context window | 131K | 131K |
| Total parameters | 8B | 1T |
| Active parameters | Unknown | 32B |
| License | llama3.1 | other |
| Open weights | Yes | Yes |
| API available | Yes | Yes |
| Self-hostable | Yes | Yes |
| Provider access | Hugging Face (Standard), Openrouter (Standard) | Hugging Face (Standard), Openrouter (Standard) |
| Capabilities | chat, generation, tools | chat, generation, tools |
Llama 3.1 8B Instruct Capabilities
Kimi K2 Instruct Capabilities
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Claude Fable 5.1Anthropic | vs | cross-developer peerstext | |
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 DeepSeek-V4.1-FlashDeepSeek | vs | cross-developer peerstext | |
| vs | Grok 4.6xAI | cross-developer peerstext | |
| vs |  Qwen3.8-MaxQwen | cross-developer peerstext | |
| vs | Kimi-K3Moonshot AI | cross-developer peerstext | |
 MiniMax-M3MiniMax | vs | cross-developer peerstext | |
| vs |  GLM-5.3Z.ai | cross-developer peerstext | |
| vs |  Hy4 previewTencent | cross-developer peerstext | |
Seed 2.1 ProByteDance Seed | vs | cross-developer peerstext | |
| vs |  Mistral Large 3Mistral AI | cross-developer peerstext |
Primary Evidence
Sources and Freshness
Questions
Llama 3.1 8B Instruct vs Kimi K2 Instruct FAQs
Is Llama 3.1 8B Instruct or Kimi K2 Instruct better for coding?+
This comparison does not currently contain a protocol-matched coding benchmark for both Llama 3.1 8B Instruct and Kimi K2 Instruct, so Model Markets cannot name a coding leader from pricing, context size, or capability labels alone.
Which is cheaper, Llama 3.1 8B Instruct or Kimi K2 Instruct?+
Llama 3.1 8B Instruct is $0.050 and Kimi K2 Instruct is $0.57 per million tokens, so Llama 3.1 8B Instruct is cheaper on this metric. Llama 3.1 8B Instruct is $0.080 and Kimi K2 Instruct is $2.30 per million tokens, so Llama 3.1 8B Instruct is cheaper on this metric.
Which has a larger context window, Llama 3.1 8B Instruct or Kimi K2 Instruct?+
Neither model has a larger sourced context window in this comparison. Llama 3.1 8B Instruct is 131K and Kimi K2 Instruct is 131K.
Which performs better in benchmarks, Llama 3.1 8B Instruct or Kimi K2 Instruct?+
There is no overall benchmark winner: At least two independently verified, protocol-matched benchmarks are required for an overall winner.
Can Llama 3.1 8B Instruct or Kimi K2 Instruct be self-hosted?+
Both models have the same recorded self-hosting status: supported. Llama 3.1 8B Instruct is open weight; Kimi K2 Instruct is open weight.
Can Llama 3.1 8B Instruct and Kimi K2 Instruct understand images?+
Llama 3.1 8B Instruct is not documented with image input; Kimi K2 Instruct is not documented with image input. This reflects supported input modalities, not vision quality.
Which can generate longer answers, Llama 3.1 8B Instruct or Kimi K2 Instruct?+
Neither has a larger sourced maximum output. Llama 3.1 8B Instruct is — and Kimi K2 Instruct is —.
Do Llama 3.1 8B Instruct and Kimi K2 Instruct support reasoning and tool use?+
Llama 3.1 8B Instruct: tool calling. Kimi K2 Instruct: tool calling. Feature support does not establish relative quality.
Which is available from more inference providers, Llama 3.1 8B Instruct or Kimi K2 Instruct?+
Llama 3.1 8B Instruct has 2 sourced provider routes; Kimi K2 Instruct has 2, a tie.
Which offers better value, Llama 3.1 8B Instruct or Kimi K2 Instruct?+
There is no universal value winner. Compare the input and output prices above with the matched benchmark result for your workload: cheaper tokens can be offset by different quality, token usage, latency, or provider availability.