API cost decision in 10 seconds

NewBeam 1.0 501B A23B vs Pareto 26.10 Preview

Pick Beam 1.0 501B A23B when budget is the priority.

Page updated: 2026-10-16T16:07:50Z Data confirmed: 2026-10-16T17:07:57Z Prices normalized to USD per 1M tokens Sample workload: 1M input + 500K output

Budget verdict

Pick Beam 1.0 501B A23B when budget is the priority.

On the standard 1M input plus 500K output workload, Beam 1.0 501B A23B is estimated at $0.75 vs $2.4 for Pareto 26.10 Preview, saving $1.65 (68.8% lower).

Cost-first pickBeam 1.0 501B A23B

Context-first pickBoth models

Sample savings$1.6568.8%

10x traffic gap$16.5

The reported context window is tied, so cost and provider fit carry more weight. At 10x that traffic, the same price gap is about $16.5. Use the calculator below to replace the sample workload with your own token volume.

Cost sensitivity

Workload Sensitivity

Same prices, different token mixes.

Beam 1.0 501B A23B stays cheaper across input-heavy, balanced, and output-heavy sample workloads.

Workload shape	Token mix	Better pick	Beam 1.0 501B A23B	Pareto 26.10 Preview
Input-heavy / RAG	5M input + 500K output	Beam 1.0 501B A23B	$1.75	$5.6
Balanced workload	1M input + 1M output	Beam 1.0 501B A23B	$1.25	$4
Output-heavy chatbot	1M input + 5M output	Beam 1.0 501B A23B	$5.25	$16.8

Cheaper input Beam 1.0 501B A23B $0.25 vs $0.8 / 1M

Beam 1.0 501B A23B is $0.55 cheaper per 1M input tokens (68.8% lower; 3.2x difference).

Cheaper output Beam 1.0 501B A23B $1 vs $3.2 / 1M

Beam 1.0 501B A23B is $2.2 cheaper per 1M output tokens (68.8% lower; 3.2x difference).

Larger context Tie 1.05M vs 1.05M

Both models report the same context window at 1.05M tokens.

Sample workload Beam 1.0 501B A23B $0.75 vs $2.4

Beam 1.0 501B A23B is $1.65 cheaper on the standard workload (68.8% lower).

Estimate your workload cost

Your Workload Cost

Prices are normalized to USD per 1M tokens.

Monthly input tokens Monthly output tokens

Beam 1.0 501B A23B Calculating… Estimated API cost

Pareto 26.10 Preview 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

Beam 1.0 501B A23B has the lower input price; Beam 1.0 501B A23B has the lower output price; both models report the same context window. For the 1M input plus 500K output sample, Beam 1.0 501B A23B is cheaper for the standard workload.

For a 1M input token plus 500K output token workload, the estimated API cost is $0.75 for Beam 1.0 501B A23B and $2.4 for Pareto 26.10 Preview.

Best Fit

Choose Beam 1.0 501B A23B when you care most about lower input-token price, and lower output-token price.

Choose Pareto 26.10 Preview when its provider, model quality, latency, or availability is more important than the numeric price/context winner.

Decision Notes

On the standard 1M input plus 500K output workload, Beam 1.0 501B A23B is estimated at $0.75 vs $2.4 for Pareto 26.10 Preview, saving $1.65 (68.8% lower).
Beam 1.0 501B A23B is $1.65 cheaper on the standard workload (68.8% lower).
Beam 1.0 501B A23B is $0.55 cheaper per 1M input tokens (68.8% lower; 3.2x difference).
Beam 1.0 501B A23B is $2.2 cheaper per 1M output tokens (68.8% lower; 3.2x difference).
Both models report the same context window at 1.05M tokens.

Head-to-Head Specs

Feature	NewBeam 1.0 501B A23B (Reflection)	Pareto 26.10 Preview (unbiased)
Input Price prompt tokens per 1M	$0.25	$0.8
Completion Price per 1M tokens	$1	$3.2
Sample Workload Cost 1M input + 500K output	$0.75	$2.4
Context Window	1.05M	1.05M
Release Date	2026-10-16	2026-10-01

Use-Case Decision Matrix

Use case	Better pick	Why
Budget-constrained production	Beam 1.0 501B A23B	On the standard 1M input plus 500K output workload, Beam 1.0 501B A23B is estimated at $0.75 vs $2.4 for Pareto 26.10 Preview, saving $1.65 (68.8% lower).
High-volume input processing	Beam 1.0 501B A23B	Lower prompt-token price matters most when prompts, retrieved passages, or documents dominate the bill.
Long responses and chatbots	Beam 1.0 501B A23B	Lower output-token price matters most when assistants generate many completion tokens.
RAG or long-document work	Tie	A larger context window leaves more room for retrieved passages, conversation history, or source files.

Related Alternatives

Same-provider lower-cost swaps

No lower-cost same-provider swap is currently tracked for this pair.

Larger context near this budget

Grok 4.20 Multi-Agent offers 2M context with $2.5 sample workload cost.
Grok 4.20 offers 2M context with $2.5 sample workload cost.
Llama 4 Scout offers 1.31M context with $0.25 sample workload cost.
MiMo-V2.6-Flash offers 1.05M context with $0.28 sample workload cost.

Popular competitors

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Step 5 Preview · StepFun · #2
GLM 5.3 Flash · Z.ai · #3
MiMo-V2.6-Flash · Xiaomi · #4

Cheaper alternatives

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Larger context alternatives

Find models with larger context windows for RAG, long documents, and codebase review.

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Provider catalogs

Compare models within provider hubs before choosing a final API vendor.

Open provider hubs

Reflection catalog

Review all tracked Reflection models before deciding whether this matchup is the right shortlist.

Open Reflection models

unbiased catalog

Check other unbiased models with comparable pricing, context, or release timing.

Open unbiased models

Beam 1.0 501B A23B

Beam 1.0 is Reflection's open-weight reasoning model for coding and long-horizon agentic workflows. It uses a sparse mixture-of-experts architecture with 501B total and 23B active parameters per token, and a...

Pareto 26.10 Preview

Pareto is a multimodal composite model built for research, coding, and agentic workflows, while delivering frontier-level performance across a broad range of general-purpose tasks. This is a preview of the...