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Kimi K2 0905 vs Nova Micro

Kimi K2 0905 significantly outperforms across most benchmarks. Nova Micro is 18.7x cheaper per token.

Moonshot AI · Amazon · Updated for 2026

Which is better?

Kimi K2 0905 outperforms in 4 benchmarks (GPQA, HumanEval, MATH, MMLU), while Nova Micro is better at 0 benchmarks. Kimi K2 0905 significantly outperforms across most benchmarks.

On price, Nova Micro is roughly 18.7x cheaper per token on a blended 3:1 input/output basis, which adds up quickly at production volume.

Kimi K2 0905 also accepts a larger context window (262,144 input tokens), making it the stronger choice for long documents and large codebases.

Based on current benchmark, pricing, and model metadata for 2026.

Choose Kimi K2 0905

  • you want the strongest raw capability — it leads on 4 of 4 shared benchmarks
  • you process long inputs — it offers a 262,144 token context window
  • you want the most recent training data — it shipped Sep 2025

Choose Nova Micro

  • cost matters — it's about 18.7x cheaper per token

At a glance

The differences that matter most.

Kimi K2 0905
Moonshot AI
Nova Micro
Amazon
Benchmark wins
4 of 4
0 of 4
Input price
$0.60 / M
$0.03 / M
Output price
$2.50 / M
$0.14 / M
Context window
262,144
128,000
Released
Sep 2025
Nov 2024
License
Proprietary
Proprietary

Performance Benchmarks

Comparative analysis across standard metrics

4 benchmarks

Kimi K2 0905 outperforms in 4 benchmarks (GPQA, HumanEval, MATH, MMLU), while Nova Micro is better at 0 benchmarks.

Kimi K2 0905 significantly outperforms across most benchmarks.

Tue Aug 25 2026 • llm-stats.com

Arena Performance

Playground indexes and blind preference scores

Pricing Analysis

Price comparison per million tokens

Nova Micro costs less

For input processing, Kimi K2 0905 ($0.60/1M tokens) is 20.0x more expensive than Nova Micro ($0.03/1M tokens).

For output processing, Kimi K2 0905 ($2.50/1M tokens) is 17.9x more expensive than Nova Micro ($0.14/1M tokens).

In conclusion, Kimi K2 0905 is more expensive than Nova Micro.*

* Using a 3:1 ratio of input to output tokens

Lowest available price from all providers
Tue Aug 25 2026 • llm-stats.com
Moonshot AI
Kimi K2 0905
Input tokens$0.60
Output tokens$2.50
Best providerNovita
Amazon
Nova Micro
Input tokens$0.03
Output tokens$0.14
Best providerAWS Bedrock
Notice missing or incorrect data?Start an Issue→

Context Window

Maximum input and output token capacity

Kimi K2 0905 accepts 262,144 input tokens compared to Nova Micro's 128,000 tokens. Kimi K2 0905 can generate longer responses up to 262,144 tokens, while Nova Micro is limited to 128,000 tokens.

Moonshot AI
Kimi K2 0905
Input262,144 tokens
Output262,144 tokens
Amazon
Nova Micro
Input128,000 tokens
Output128,000 tokens
Tue Aug 25 2026 • llm-stats.com

License

Usage and distribution terms

Both models are licensed under proprietary licenses.

Both models have usage restrictions defined by their respective organizations.

Kimi K2 0905

Proprietary

Closed source

Nova Micro

Proprietary

Closed source

Release Timeline

When each model was launched

Kimi K2 0905 was released on 2025-09-05, while Nova Micro was released on 2024-11-20.

Kimi K2 0905 is 10 months newer than Nova Micro.

Kimi K2 0905

Sep 5, 2025

11 months ago

9mo newer
Nova Micro

Nov 20, 2024

1.8 years ago

Knowledge Cutoff

When training data ends

Neither model specifies a knowledge cutoff date.

Unable to compare the recency of their training data.

No cutoff dates available

Provider Availability

Kimi K2 0905 is available from Novita. Nova Micro is available from Bedrock.

Kimi K2 0905

novita logo
Novita
Input Price:Input: $0.60/1MOutput Price:Output: $2.50/1M

Nova Micro

bedrock logo
AWS Bedrock
Input Price:Input: $0.03/1MOutput Price:Output: $0.14/1M
* Prices shown are per million tokens

Outputs Comparison

Notice missing or incorrect data?Start an Issue discussion→

Judge for yourself.

Run your own prompts against Kimi K2 0905 and Nova Micro side-by-side, then vote on the output you prefer.

Kimi K2 0905
✓ Preferred
Nova Micro
Open in Playground

FAQ

Common questions about Kimi K2 0905 vs Nova Micro.

Which is better, Kimi K2 0905 or Nova Micro?

Kimi K2 0905 significantly outperforms across most benchmarks. Kimi K2 0905 is made by Moonshot AI and Nova Micro is made by Amazon. The best choice depends on your use case — compare their benchmark scores, pricing, and capabilities above.

How does Kimi K2 0905 compare to Nova Micro in benchmarks?

Kimi K2 0905 scores HumanEval: 94.5%, MMLU: 90.2%, MATH: 89.1%, MMLU-Pro: 82.5%, GPQA: 75.8%. Nova Micro scores GSM8k: 92.3%, ARC-C: 90.2%, Translation Set1→en COMET22: 88.7%, Translation en→Set1 COMET22: 88.5%, IFEval: 87.2%.

Is Kimi K2 0905 cheaper than Nova Micro?

Nova Micro is 20.0x cheaper for input tokens. Kimi K2 0905 costs $0.60/M input and $2.50/M output via novita. Nova Micro costs $0.03/M input and $0.14/M output via bedrock.

What are the context window sizes for Kimi K2 0905 and Nova Micro?

Kimi K2 0905 supports 262K tokens and Nova Micro supports 128K tokens. A larger context window lets you process longer documents, conversations, or codebases in a single request.

What are the main differences between Kimi K2 0905 and Nova Micro?

Key differences include context window (262K vs 128K), input pricing ($0.60 vs $0.03/M). See the full comparison above for benchmark-by-benchmark results.

Who makes Kimi K2 0905 and Nova Micro?

Kimi K2 0905 is developed by Moonshot AI and Nova Micro is developed by Amazon.

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