gemini-2.5-flash vs kimi-k2.6
Side-by-side comparison of gemini-2.5-flash and kimi-k2.6: benchmarks, pricing, context window and capabilities. Both are accessible through Requesty's unified API. kimi-k2.6 outperforms gemini-2.5-flash on 6 of 6 shared benchmarks.

gemini-2.5-flash
Input / 1M
$0.30
Output / 1M
$2.50
Context
1.0M
Model ID
google/gemini-2.5-flash

kimi-k2.6
Input / 1M
$0.95
Output / 1M
$4.00
Context
262K
Model ID
moonshot/kimi-k2.6
Benchmark comparison
Intelligence Indexreasoning
gemini-2.5-flash20.1%
kimi-k2.644.2%
Coding Indexcoding
gemini-2.5-flashN/A
kimi-k2.661.8%
Math Indexmath
gemini-2.5-flash73.3%
kimi-k2.6N/A
GPQA Diamondreasoning
gemini-2.5-flash79.0%
kimi-k2.691.1%
AIME 2025math
gemini-2.5-flash73.3%
kimi-k2.6N/A
LiveCodeBenchcoding
gemini-2.5-flash69.5%
kimi-k2.6N/A
Terminal-Bench Hardagentic
gemini-2.5-flash13.6%
kimi-k2.643.9%
τ²-Benchagentic
gemini-2.5-flash31.6%
kimi-k2.695.9%
SciCodecoding
gemini-2.5-flash39.4%
kimi-k2.653.5%
MMLU Proknowledge
gemini-2.5-flash83.2%
kimi-k2.6N/A
Humanity's Last Examreasoning
gemini-2.5-flash11.1%
kimi-k2.635.9%
Scores sourced from official model cards, Artificial Analysis, and public leaderboards. Benchmarks measure specific skills and don't capture every aspect of model quality.
Pricing & specifications
| gemini-2.5-flash | kimi-k2.6 | |
|---|---|---|
| Input price / 1M | $0.30 | $0.95 |
| Output price / 1M | $2.50 | $4.00 |
| Context window | 1.0M tokens | 262K tokens |
| Max output | 66K tokens | 262K tokens |
| Vision input | Yes | Yes |
| Tool calling | Yes | Yes |
| Reasoning | Yes | Yes |
| Prompt caching | Yes | Yes |
| Computer use | N/A | N/A |
| Provider | Google LLC (Gemini API) | Moonshot AI |
Questions people ask
Is gemini-2.5-flash better than kimi-k2.6?
kimi-k2.6 outperforms gemini-2.5-flash on 6 of 6 shared benchmarks. See the benchmark comparison above for specifics: gemini-2.5-flash and kimi-k2.6 have different strengths across reasoning, coding, math and multimodal tasks.
Which is cheaper, gemini-2.5-flash or kimi-k2.6?
gemini-2.5-flash is cheaper. gemini-2.5-flash costs $0.30/$2.50 per 1M input/output tokens, while kimi-k2.6 costs $0.95/$4.00.
Can I use gemini-2.5-flash and kimi-k2.6 through the same API?
Yes. Requesty provides a single OpenAI-compatible API that routes to both. Change just the "model" parameter to switch between "google/gemini-2.5-flash" and "moonshot/kimi-k2.6", no other code changes needed.
What are the context windows?
gemini-2.5-flash supports up to 1.0M tokens of context. kimi-k2.6 supports up to 262K tokens. Longer context means you can feed larger documents or codebases in a single prompt, though quality often degrades past 128K for most models.
Switch between gemini-2.5-flash and kimi-k2.6 with one line of code
Requesty provides a single OpenAI-compatible API for 400+ models. Change the model parameter, not your code.
