As of August 30, 2026, Nova 2 Omni is 10% cheaper per million tokens than Kimi K2 0905. Kimi K2 0905 is $0.60 / $2.50 per million input/output tokens versus Nova 2 Omni at $0.30 / $2.50. Sources: https://platform.kimi.com/docs/pricing/chat and https://aws.amazon.com/nova/pricing/
Sources: Moonshot AI pricing (https://platform.kimi.com/docs/pricing/chat); Amazon pricing (https://aws.amazon.com/nova/pricing/)
Kimi K2 0905
Moonshot AI
Input
$0.60
Output
$2.50
Nova 2 Omni
Amazon
Input
$0.30
Output
$2.50
Token pricing, specs, and benchmarks side by side
Each bar is share of the current leader on that eval. Click a row to open the board.
MMLU-Pro. Left is cheaper. Up is a higher score. The line is the best score you can buy at each price.
Kimi K2 0905Nova 2 OmniVerdict
Nova 2 Omni offers significantly lower pricing, while Kimi K2 0905 leads on benchmark performance. Your choice depends on whether cost efficiency or raw capability matters more for your use case.
As of August 30, 2026, Nova 2 Omni is 10% cheaper on blended LLM API pricing. Nova 2 Omni costs $0.30 per million input tokens and $2.50 per million output tokens ($2.80 blended 1M-in + 1M-out). Kimi K2 0905 costs $0.60 / $2.50 per million tokens ($3.10 blended). Sources: https://platform.kimi.com/docs/pricing/chat and https://aws.amazon.com/nova/pricing/. The cheapest LLM for your app still depends on how many output tokens you generate.
Kimi K2 0905 Moonshot AI API pricing is $0.60 input and $2.50 output per million tokens via Moonshot AI. Nova 2 Omni Amazon API pricing is $0.30 input and $2.50 output per million tokens via Amazon. Use those four numbers, not ChatGPT Plus or Claude Pro subscription prices, when you are comparing APIs.
Kimi K2 0905 has a published HumanEval score of 94.5%. Nova 2 Omni does not have that eval on this page yet.
Kimi K2 0905 supports a 262K token context window, while Nova 2 Omni supports 1M tokens. Nova 2 Omni offers a larger context window. Filling a larger window bills more input tokens, so the cheaper-per-million model can still cost more on long documents.
Kimi K2 0905 leads on 1 of 1 shared benchmarks versus Nova 2 Omni's 0 wins. Check the comparison table for GPQA Diamond, SWE-bench, MMLU, HLE, and the other evals we track. Token price and benchmark score together are the usual LLM comparison, not either number alone.
Both Kimi K2 0905 and Nova 2 Omni are production API models. For cost-sensitive production traffic, Nova 2 Omni has better economics on the blended 1M-in + 1M-out scale. For maximum capability, weight the benchmark table for your domain. Many production stacks route cheap models for drafts and a frontier model for the hard turn, which is usually cheaper than sending everything to the expensive API.
Yes. Call Kimi K2 0905 through Moonshot AI and Nova 2 Omni through Amazon with separate API keys, or through a gateway that already wraps both. Keep prompts in tokens, not characters, when you estimate the invoice. AnotherWrapper templates can swap providers without rewriting auth and billing.
List rates are the latest published Moonshot AI API pricing and Amazon API pricing, quoted per million tokens. Official rate sheets: https://platform.kimi.com/docs/pricing/chat and https://aws.amazon.com/nova/pricing/. Prompt caching, batch APIs, and committed-use discounts can change the invoice. Benchmark scores are from official publications and independent evals, updated as new numbers land.
Kimi K2 0905 supports up to 262K output tokens per request, while Nova 2 Omni supports up to an unspecified number of output tokens. Output tokens are usually the expensive half of API pricing, so a higher max output cap is a capability, not a discount.
Neither Kimi K2 0905 nor Nova 2 Omni has published throughput data on this page yet. Throughput (tokens per second) and time-to-first-token are why two models with the same per-million-token price can still feel different in chat and agents.
Use the model pickers at the top of this LLM comparison. Search any model in the index and the URL updates. Open Kimi K2 0905 or Nova 2 Omni from the sidebar for the single-model API pricing page, or go back to the LLM pricing table to sort by cheapest blended cost.
This comparison covers API pricing, context window, throughput, and benchmark scores. Kimi K2 0905 costs $0.60/M input and $2.50/M output. Nova 2 Omni costs $0.30/M input and $2.50/M output.
Rank both on the LLM leaderboard, SWE-bench, and Humanity's Last Exam.
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