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Gemini 2.5 Pro vs Kimi-K2.6

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
Gemini 2.5 Pro
google/gemini-2.5-pro
Kimi-K2.6
moonshot/kimi-k2.6
Provider
Google
Moonshot
Family
Kimi
Modality
text
text
Context window
1,000,000 tok
262,144 tok
Max output
65,536 tok
16,384 tok
Released
2026-05-22
2026-04-20
License
Proprietary
Open-weight
Input price
$1.25 /1M
$0.950 /1M
Output price
$10.00 /1M
$4.00 /1M
Cache read
$0.160 /1M
Tools
yes
Streaming
yes
yes
Vision
yes
JSON mode
yes
Reasoning
yes
Prompt caching
yes
Batch API
Try it
Open in playground →
Open in playground →
Gemini 2.5 Pro
google/gemini-2.5-pro
Full spec →

Google's most capable Gemini 2.5 model with strong reasoning, thinking support, and a 1M token context window.

Strengths
  • General-purpose chat
  • Long context
  • Tool use
Use cases
ChatbotsContent generationAgentic workflows
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

Benchmarks

Gemini 2.5 Pro
Kimi-K2.6
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 Claude Opus 4.7
moonshot/kimi-k2.6 · anthropic/claude-opus-4.7
GPT-5.4 vs Kimi-K2.6
openai/gpt-5.4 · moonshot/kimi-k2.6
Gemini 3.1 Pro vs Kimi-K2.6
google/gemini-3.1-pro · moonshot/kimi-k2.6
Kimi-K2.6 vs Kimi-K2.5
moonshot/kimi-k2.6 · moonshot/kimi-k2.5
Kimi-K2.6 vs Llama-4-Scout-17b-16e-Instruct
moonshot/kimi-k2.6 · meta/llama-4-scout-17b-16e-instruct
Claude Opus 4.8 vs Gemini 2.5 Pro
anthropic/claude-opus-4.8 · google/gemini-2.5-pro
Claude Opus 4.8 vs Kimi-K2.6
anthropic/claude-opus-4.8 · moonshot/kimi-k2.6
Claude Sonnet 4.6 vs Gemini 2.5 Pro
anthropic/claude-sonnet-4.6 · google/gemini-2.5-pro
Claude Sonnet 4.6 vs Kimi-K2.6
anthropic/claude-sonnet-4.6 · moonshot/kimi-k2.6
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-...",
)

# Gemini 2.5 Pro
client.chat.completions.create(
    model="google/gemini-2.5-pro",
    messages=[{"role":"user","content":"hello"}],
)

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