Compare

Kimi-K2.6 vs Gpt-Oss-120b

Pricing per million tokens, context window, capabilities — pulled from each provider's public docs. All 2 are available via the same AIgateway OpenAI-compatible endpoint; flip the model string to switch.

Search2/4
Kimi-K2.6
moonshot/kimi-k2.6
Gpt-Oss-120b
openai/gpt-oss-120b
Provider
Moonshot
OpenAI
Family
Kimi
Modality
text
text
Context window
262,144 tok
128,000 tok
Max output
16,384 tok
32,768 tok
Released
2026-04-20
2025-08-05
License
Open-weight
Open-weight
Input price
$0.950 /1M
$0.350 /1M
Output price
$4.00 /1M
$0.750 /1M
Cache read
$0.160 /1M
Tools
yes
yes
Streaming
yes
yes
Vision
yes
JSON mode
yes
yes
Reasoning
yes
yes
Prompt caching
yes
Batch API
Try it
Open in playground →
Open in playground →
Kimi-K2.6
moonshot/kimi-k2.6
Full spec →

Kimi K2.6 is a frontier-scale open-source 1T parameter model with a 262.1k context window, multi-turn tool calling, vision inputs, and structured outputs for agentic workloads.

Strengths
  • Frontier-scale 1T parameters, open-weight
  • ~10× cheaper than Opus
  • Multi-turn tool calling + vision
Use cases
Code agentsLong-document reasoningCost-conscious production
Gpt-Oss-120b
openai/gpt-oss-120b
Full spec →

OpenAI’s open-weight models designed for powerful reasoning, agentic tasks, and versatile developer use cases – gpt-oss-120b is for production, general purpose, high reasoning use-cases.

Strengths
  • OpenAI's first open-weight release
  • Strong instruction following
  • Apache-2.0 license
Use cases
General chatOn-prem replacement for closed GPT

Benchmarks

Kimi-K2.6
Gpt-Oss-120b
HumanEval
92.7
SWE-Bench
68.2

Source: each provider's published benchmarks. Higher is better. Run an eval to compare on your own data.

Compare with another

Kimi-K2.6 vs Kimi-K2.7-Code
moonshot/kimi-k2.6 · moonshot/kimi-k2.7-code
Claude Opus 5 vs Kimi-K2.6
anthropic/claude-opus-5 · moonshot/kimi-k2.6
Claude Opus 5 vs Gpt-Oss-120b
anthropic/claude-opus-5 · openai/gpt-oss-120b
Grok 4.5 vs Kimi-K2.6
xai/grok-4.5 · moonshot/kimi-k2.6
Grok 4.5 vs Gpt-Oss-120b
xai/grok-4.5 · openai/gpt-oss-120b
Kimi K3 vs Kimi-K2.6
moonshot/kimi-k3 · moonshot/kimi-k2.6
Kimi K3 vs Gpt-Oss-120b
moonshot/kimi-k3 · openai/gpt-oss-120b
Gemini 3.6 Flash vs Kimi-K2.6
google/gemini-3.6-flash · moonshot/kimi-k2.6
Gemini 3.6 Flash vs Gpt-Oss-120b
google/gemini-3.6-flash · openai/gpt-oss-120b
SWITCH BETWEEN THEM

One key, all 2, one line different.

from openai import OpenAI

client = OpenAI(
    base_url="https://api.aigateway.sh/v1",
    api_key="sk-aig-...",
)

# Kimi-K2.6
client.chat.completions.create(
    model="moonshot/kimi-k2.6",
    messages=[{"role":"user","content":"hello"}],
)

# Gpt-Oss-120b
client.chat.completions.create(
    model="openai/gpt-oss-120b",
    messages=[{"role":"user","content":"hello"}],
)
Get an AIgateway keyRun an eval on these →