Rankingin thinking mode?
Alternatives?
CheaperClaude Haiku 5.5max×14.2-62%$0.21Remove sampling parameters+5
BetterGPT-6 Lunalow×7.1-62%$0.005Function calling only with none · Chat Completions+3IOpenK2 Horizon 7Bthinking×6.8same$0.30 / $1.20Memory (4-bit): 0.5 GB → 4.5 GB
CheaperMiniMax M3.1 Flashthinking×14-50%$0.22Complete model response must be appended
CheaperGLM 5.3 FlashmaxOpen×13.7-55%$0.28Memory (4-bit): 0.5 GB → 193 GB+5Claude Haiku 5.5max×14.2-62%$0.21Remove sampling parameters+5MiniMax M3.1 Flashthinking×14-50%$0.22Complete model response must be appendedGLM 5.3 FlashmaxOpen×13.7-55%$0.28Memory (4-bit): 0.5 GB → 193 GB+5
Ling 3.1 FlashOpen×13.5-14%$1.00Memory (4-bit): 0.5 GB → 343 GB
Qwen3.8 FlashthinkingOpen×13.1-56%$0.37Memory (4-bit): 0.5 GB → 108 GB+6GPT-6 Lunalow×7.1-62%$0.005Function calling only with none · Chat Completions+3
Granite 4.2 3BthinkingOpen×3-90%$0.006Context: 131K → 128K+1
Gemma 4 E4BthinkingOpen×2.9-92%$0.008Context: 131K → 128K+1GPT-5.6 Lunalow×6.9-14%$0.01
Ministral 3 8B 2512Open+80%-71%$0.011Memory (4-bit): 0.5 GB → 4.5 GBGemma 4 12BthinkingOpen×4.7-71%$0.10 / $0.30Memory (4-bit): 0.5 GB → 6 GBQwen 3.5 9Bnon-thinkingOpen×4.4-82%$0.08 / $0.13Memory (4-bit): 0.5 GB → 4.8 GBQwen3.5 4BthinkingOpen×4.3-89%$0.03 / $0.15Memory (4-bit): 0.5 GB → 2.3 GBRun it yourself
estimateBenchmarks
all categoriesFAQ
How much does K2 Horizon 0.9B cost?›
$0.30 per 1M input tokens and $1.20 per 1M output tokens (cheapest host: Featherless).
Is K2 Horizon 0.9B free to use?›
There is no free API; the cheapest paid price is $0.30 per 1M input tokens. The weights are open, so you can run it yourself.
How good is K2 Horizon 0.9B, and what is it best at?›
#262 of 334 in Chat & Knowledge, #75 of 132 in Coding, #129 of 133 in Agents & Tool Use, #122 of 133 in Vision & Documents.
Is K2 Horizon 0.9B better than NVIDIA Nemotron 3 Nano 4B?›
On AA Intelligence Index 4.3.2, K2 Horizon 0.9B scores 3 vs 4.8 — lower.
How can I use K2 Horizon 0.9B?›
Through the API of Featherless.
What is the context window of K2 Horizon 0.9B?›
131K tokens.
When was K2 Horizon 0.9B released? Is there a newer version?›
Released 2026-09-03. It is the current version in its line.
Is K2 Horizon 0.9B open source?›
Yes, the weights are open (Apache-2.0 licence).
Can I run K2 Horizon 0.9B locally?›
The weights are open and can be self-hosted; hardware needs are not confirmed yet.
Can K2 Horizon 0.9B read images?›
No, it accepts text only.
What is K2 Horizon 0.9B?›
K2 Horizon 0.9B is an open-weights language model from Institute of Foundation Models, released Sep 2026.
What are the best alternatives to K2 Horizon 0.9B?›
Claude Haiku 5.5 (cheaper), GPT-6 Luna (better), K2 Horizon 7B (open weights).