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Kimi K2 0905 vs Nova Pro

Kimi K2 0905 significantly outperforms across most benchmarks. Kimi K2 0905 is 1.3x 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 Pro is better at 0 benchmarks. Kimi K2 0905 significantly outperforms across most benchmarks.

On price, Kimi K2 0905 is roughly 1.3x cheaper per token on a blended 3:1 input/output basis, which adds up quickly at production volume.

Nova Pro also accepts a larger context window (300,000 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
  • cost matters — it's about 1.3x cheaper per token
  • you want the most recent training data — it shipped Sep 2025

Choose Nova Pro

  • you process long inputs — it offers a 300,000 token context window

At a glance

The differences that matter most.

Kimi K2 0905
Moonshot AI
Nova Pro
Amazon
Benchmark wins
4 of 4
0 of 4
Input price
$0.60 / M
$0.80 / M
Output price
$2.50 / M
$3.20 / M
Context window
262,144
300,000
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 Pro is better at 0 benchmarks.

Kimi K2 0905 significantly outperforms across most benchmarks.

Thu Aug 27 2026 • llm-stats.com

Arena Performance

Playground indexes and blind preference scores

Pricing Analysis

Price comparison per million tokens

Kimi K2 0905 costs less

For input processing, Kimi K2 0905 ($0.60/1M tokens) is 1.3x cheaper than Nova Pro ($0.80/1M tokens).

For output processing, Kimi K2 0905 ($2.50/1M tokens) is 1.3x cheaper than Nova Pro ($3.20/1M tokens).

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

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

Lowest available price from all providers
Thu Aug 27 2026 • llm-stats.com
Moonshot AI
Kimi K2 0905
Input tokens$0.60
Output tokens$2.50
Best providerNovita
Amazon
Nova Pro
Input tokens$0.80
Output tokens$3.20
Best providerAWS Bedrock
Notice missing or incorrect data?Start an Issue→

Context Window

Maximum input and output token capacity

Nova Pro accepts 300,000 input tokens compared to Kimi K2 0905's 262,144 tokens. Nova Pro can generate longer responses up to 300,000 tokens, while Kimi K2 0905 is limited to 262,144 tokens.

Moonshot AI
Kimi K2 0905
Input262,144 tokens
Output262,144 tokens
Amazon
Nova Pro
Input300,000 tokens
Output300,000 tokens
Thu Aug 27 2026 • llm-stats.com

Input Capabilities

Supported data types and modalities

Nova Pro supports multimodal inputs, whereas Kimi K2 0905 does not.

Nova Pro can handle both text and other forms of data like images, making it suitable for multimodal applications.

Kimi K2 0905

Text
Images
Audio
Video

Nova Pro

Text
Images
Audio
Video

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 Pro

Proprietary

Closed source

Release Timeline

When each model was launched

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

Kimi K2 0905 is 10 months newer than Nova Pro.

Kimi K2 0905

Sep 5, 2025

11 months ago

9mo newer
Nova Pro

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 Pro is available from Bedrock.

Kimi K2 0905

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

Nova Pro

bedrock logo
AWS Bedrock
Input Price:Input: $0.80/1MOutput Price:Output: $3.20/1M
* 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 Pro side-by-side, then vote on the output you prefer.

Kimi K2 0905
✓ Preferred
Nova Pro
Open in Playground

FAQ

Common questions about Kimi K2 0905 vs Nova Pro.

Which is better, Kimi K2 0905 or Nova Pro?

Kimi K2 0905 significantly outperforms across most benchmarks. Kimi K2 0905 is made by Moonshot AI and Nova Pro 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 Pro in benchmarks?

Kimi K2 0905 scores HumanEval: 94.5%, MMLU: 90.2%, MATH: 89.1%, MMLU-Pro: 82.5%, GPQA: 75.8%. Nova Pro scores ARC-C: 94.8%, GSM8k: 94.8%, DocVQA: 93.5%, IFEval: 92.1%, ChartQA: 89.2%.

Is Kimi K2 0905 cheaper than Nova Pro?

Kimi K2 0905 is 1.3x cheaper for input tokens. Kimi K2 0905 costs $0.60/M input and $2.50/M output via novita. Nova Pro costs $0.80/M input and $3.20/M output via bedrock.

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

Kimi K2 0905 supports 262K tokens and Nova Pro supports 300K 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 Pro?

Key differences include context window (262K vs 300K), input pricing ($0.60 vs $0.80/M), multimodal support (no vs yes). See the full comparison above for benchmark-by-benchmark results.

Who makes Kimi K2 0905 and Nova Pro?

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

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