API cost decision in 10 seconds

🔥Claude Opus 4.6 vs Nemotron Nano 9B V2 (free)

Pick Nemotron Nano 9B V2 (free) for lower cost; pick Claude Opus 4.6 only if the larger context window matters more.

Page updated: 2026-05-26T15:08:08Z Data confirmed: 2026-05-26T18:08:02Z Prices normalized to USD per 1M tokens Sample workload: 1M input + 500K output

Budget verdict

Pick Nemotron Nano 9B V2 (free) for lower cost; pick Claude Opus 4.6 only if the larger context window matters more.

On the standard 1M input plus 500K output workload, Nemotron Nano 9B V2 (free) is estimated at $0 vs $17.5 for Claude Opus 4.6, saving $17.5 (100% lower).

Cost-first pickNemotron Nano 9B V2 (free)

Context-first pickClaude Opus 4.6

Sample savings$17.5100%

10x traffic gap$175

Claude Opus 4.6 has more context, but Nemotron Nano 9B V2 (free) saves $17.5 on the standard workload. At 10x that traffic, the same price gap is about $175. Use the calculator below to replace the sample workload with your own token volume.

Cost sensitivity

Workload Sensitivity

Same prices, different token mixes.

Nemotron Nano 9B V2 (free) stays cheaper across input-heavy, balanced, and output-heavy sample workloads.

Workload shape	Token mix	Better pick	Claude Opus 4.6	Nemotron Nano 9B V2 (free)
Input-heavy / RAG	5M input + 500K output	Nemotron Nano 9B V2 (free)	$37.5	$0
Balanced workload	1M input + 1M output	Nemotron Nano 9B V2 (free)	$30	$0
Output-heavy chatbot	1M input + 5M output	Nemotron Nano 9B V2 (free)	$130	$0

Cheaper input Nemotron Nano 9B V2 (free) $5 vs $0 / 1M

Nemotron Nano 9B V2 (free) is free for input tokens while Claude Opus 4.6 costs $5 per 1M tokens.

Cheaper output Nemotron Nano 9B V2 (free) $25 vs $0 / 1M

Nemotron Nano 9B V2 (free) is free for output tokens while Claude Opus 4.6 costs $25 per 1M tokens.

Larger context Claude Opus 4.6 1M vs 128K

Claude Opus 4.6 has 872K more context (7.81x larger).

Sample workload Nemotron Nano 9B V2 (free) $17.5 vs $0

Nemotron Nano 9B V2 (free) is free for the standard workload while the other model is estimated at $17.5.

Estimate your workload cost

Your Workload Cost

Prices are normalized to USD per 1M tokens.

Monthly input tokens Monthly output tokens

Claude Opus 4.6 Calculating… Estimated API cost

Nemotron Nano 9B V2 (free) Calculating… Estimated API cost

Cheaper for this workload Calculating… Difference: calculating…

This estimate uses normalized public API pricing per 1M tokens. It is a planning aid, not a billing quote. Verify provider pricing, limits, and terms before production use.

Quick Decision

Verdict

Nemotron Nano 9B V2 (free) has the lower input price; Nemotron Nano 9B V2 (free) has the lower output price; Claude Opus 4.6 offers the larger context window. For the 1M input plus 500K output sample, Nemotron Nano 9B V2 (free) is cheaper for the standard workload.

For a 1M input token plus 500K output token workload, the estimated API cost is $17.5 for Claude Opus 4.6 and $0 for Nemotron Nano 9B V2 (free).

Best Fit

Choose Claude Opus 4.6 when you care most about larger context window.

Choose Nemotron Nano 9B V2 (free) when you care most about lower input-token price, and lower output-token price.

Decision Notes

On the standard 1M input plus 500K output workload, Nemotron Nano 9B V2 (free) is estimated at $0 vs $17.5 for Claude Opus 4.6, saving $17.5 (100% lower).
Nemotron Nano 9B V2 (free) is free for the standard workload while the other model is estimated at $17.5.
Nemotron Nano 9B V2 (free) is free for input tokens while Claude Opus 4.6 costs $5 per 1M tokens.
Nemotron Nano 9B V2 (free) is free for output tokens while Claude Opus 4.6 costs $25 per 1M tokens.
Claude Opus 4.6 has 872K more context (7.81x larger).

Head-to-Head Specs

Feature	🔥Claude Opus 4.6 (Anthropic)	Nemotron Nano 9B V2 (free) (NVIDIA)
Input Price prompt tokens per 1M	$5	$0
Completion Price per 1M tokens	$25	$0
Sample Workload Cost 1M input + 500K output	$17.5	$0
Context Window	1M	128K
Release Date	2026-02-04	2025-09-05
Popularity	#18	#107

Use-Case Decision Matrix

Use case	Better pick	Why
Budget-constrained production	Nemotron Nano 9B V2 (free)	On the standard 1M input plus 500K output workload, Nemotron Nano 9B V2 (free) is estimated at $0 vs $17.5 for Claude Opus 4.6, saving $17.5 (100% lower).
High-volume input processing	Nemotron Nano 9B V2 (free)	Lower prompt-token price matters most when prompts, retrieved passages, or documents dominate the bill.
Long responses and chatbots	Nemotron Nano 9B V2 (free)	Lower output-token price matters most when assistants generate many completion tokens.
RAG or long-document work	Claude Opus 4.6	A larger context window leaves more room for retrieved passages, conversation history, or source files.

Related Alternatives

Same-provider lower-cost swaps

Claude 3 Haiku can replace Claude Opus 4.6 when lower sample workload cost matters most: $0.88.
Claude 3.5 Haiku can replace Claude Opus 4.6 when lower sample workload cost matters most: $2.8.
Anthropic Claude Haiku Latest can replace Claude Opus 4.6 when lower sample workload cost matters most: $3.5.
Claude Haiku 4.5 can replace Claude Opus 4.6 when lower sample workload cost matters most: $3.5.

Larger context near this budget

Llama 4 Scout offers 10M context with $0.23 sample workload cost.
Grok 4.20 offers 2M context with $2.5 sample workload cost.
Grok 4.20 Multi-Agent offers 2M context with $5 sample workload cost.
GPT-5.5 offers 1.05M context with $20 sample workload cost.

Popular competitors

DeepSeek V4 Flash · DeepSeek · #1
Hy3 preview · Tencent · #2
Claude Opus 4.7 · Anthropic · #3
Claude Sonnet 4.6 · Anthropic · #4

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Provider catalogs

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Anthropic catalog

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NVIDIA catalog

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