API cost decision in 10 seconds

NewLFM2.5-24B-A2B vs GPT Luna Latest

Pick GPT Luna Latest when budget and context both matter.

Page updated: 2026-10-13T20:10:44Z Data confirmed: 2026-10-15T02:07:54Z Prices normalized to USD per 1M tokens Sample workload: 1M input + 500K output

Budget verdict

Pick GPT Luna Latest when budget and context both matter.

On the standard 1M input plus 500K output workload, GPT Luna Latest is estimated at $0.35 vs $0.4 for LFM2.5-24B-A2B, saving $0.05 (12.5% lower).

Cost-first pickGPT Luna Latest

Context-first pickGPT Luna Latest

Sample savings$0.0512.5%

10x traffic gap$0.5

GPT Luna Latest is cheaper on the standard workload and also has the larger context window. At 10x that traffic, the same price gap is about $0.5. Use the calculator below to replace the sample workload with your own token volume.

Cost sensitivity

Workload Sensitivity

Same prices, different token mixes.

Cost winner changes by workload shape: input-heavy / RAG favors LFM2.5-24B-A2B, balanced workload favors GPT Luna Latest, and output-heavy chatbot favors GPT Luna Latest.

Workload shape	Token mix	Better pick	LFM2.5-24B-A2B	GPT Luna Latest
Input-heavy / RAG	5M input + 500K output	LFM2.5-24B-A2B	$0.6	$0.75
Balanced workload	1M input + 1M output	GPT Luna Latest	$0.75	$0.6
Output-heavy chatbot	1M input + 5M output	GPT Luna Latest	$3.55	$2.6

Cheaper input LFM2.5-24B-A2B $0.05 vs $0.1 / 1M

LFM2.5-24B-A2B is $0.05 cheaper per 1M input tokens (50% lower; 2x difference).

Cheaper output GPT Luna Latest $0.7 vs $0.5 / 1M

GPT Luna Latest is $0.2 cheaper per 1M output tokens (28.6% lower; 1.4x difference).

Larger context GPT Luna Latest 128K vs 1.05M

GPT Luna Latest has 922K more context (8.2x larger).

Sample workload GPT Luna Latest $0.4 vs $0.35

GPT Luna Latest is $0.05 cheaper on the standard workload (12.5% lower).

Estimate your workload cost

Your Workload Cost

Prices are normalized to USD per 1M tokens.

Monthly input tokens Monthly output tokens

LFM2.5-24B-A2B Calculating… Estimated API cost

GPT Luna Latest 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

LFM2.5-24B-A2B has the lower input price; GPT Luna Latest has the lower output price; GPT Luna Latest offers the larger context window. For the 1M input plus 500K output sample, GPT Luna Latest is cheaper for the standard workload.

For a 1M input token plus 500K output token workload, the estimated API cost is $0.4 for LFM2.5-24B-A2B and $0.35 for GPT Luna Latest.

Best Fit

Choose LFM2.5-24B-A2B when you care most about lower input-token price.

Choose GPT Luna Latest when you care most about lower output-token price, and larger context window.

Decision Notes

On the standard 1M input plus 500K output workload, GPT Luna Latest is estimated at $0.35 vs $0.4 for LFM2.5-24B-A2B, saving $0.05 (12.5% lower).
GPT Luna Latest is $0.05 cheaper on the standard workload (12.5% lower).
LFM2.5-24B-A2B is $0.05 cheaper per 1M input tokens (50% lower; 2x difference).
GPT Luna Latest is $0.2 cheaper per 1M output tokens (28.6% lower; 1.4x difference).
GPT Luna Latest has 922K more context (8.2x larger).

Head-to-Head Specs

Feature	NewLFM2.5-24B-A2B (LiquidAI)	GPT Luna Latest (OpenAI)
Input Price prompt tokens per 1M	$0.05	$0.1
Completion Price per 1M tokens	$0.7	$0.5
Sample Workload Cost 1M input + 500K output	$0.4	$0.35
Context Window	128K	1.05M
Release Date	2026-10-13	2026-09-11

Use-Case Decision Matrix

Use case	Better pick	Why
Budget-constrained production	GPT Luna Latest	On the standard 1M input plus 500K output workload, GPT Luna Latest is estimated at $0.35 vs $0.4 for LFM2.5-24B-A2B, saving $0.05 (12.5% lower).
High-volume input processing	LFM2.5-24B-A2B	Lower prompt-token price matters most when prompts, retrieved passages, or documents dominate the bill.
Long responses and chatbots	GPT Luna Latest	Lower output-token price matters most when assistants generate many completion tokens.
RAG or long-document work	GPT Luna Latest	A larger context window leaves more room for retrieved passages, conversation history, or source files.

Related Alternatives

Same-provider lower-cost swaps

LFM2.5-2.6B (free) can replace LFM2.5-24B-A2B when lower sample workload cost matters most: $0.
LFM2.5-1.2B-Thinking (free) can replace LFM2.5-24B-A2B when lower sample workload cost matters most: $0.
LFM2.5-1.2B-Instruct (free) can replace LFM2.5-24B-A2B when lower sample workload cost matters most: $0.
LFM2-24B-A2B can replace LFM2.5-24B-A2B when lower sample workload cost matters most: $0.09.

Larger context near this budget

Llama 4 Scout offers 1.31M context with $0.47 sample workload cost.

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Provider catalogs

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LiquidAI catalog

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OpenAI catalog

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LFM2.5-24B-A2B

LFM2.5-24B-A2B is a mixture-of-experts reasoning model from Liquid AI with 24B total and 2.45B active parameters. It always reasons before answering and is built for agents that call tools. Liquid...

GPT Luna Latest

This model always redirects to the latest model in the GPT Luna family.