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Model comparison · Updated 10 Oct 2026

DeepSeek V4 Flash 0731 vs Lyria 3 Pro Preview

Lyria 3 Pro Preview is free on the standard tier; DeepSeek V4 Flash 0731 costs $0.08 per 1M input tokens. Both have a 1.05M-token context window. For a support chatbot at 10,000 chats a day, the standard-tier bill is about $52.04 a month for DeepSeek V4 Flash 0731 and $0.00 for Lyria 3 Pro Preview.

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ModelsAtlas. “DeepSeek V4 Flash 0731 vs Lyria 3 Pro Preview”. Retrieved 10 Oct 2026. https://modelsatlas.com/compare/deepseek/v4/vs/google/lyria-3-pro-preview

Model A

DeepSeek V4 Flash 0731

by DeepSeek · weights not marked open · GRIDB5

Input / 1M
$0.08
observed We measured
Source
Our catalogue
Retrieved
10 Oct 2026
Output / 1M$0.17
Context1.05M
vs

Model B

Lyria 3 Pro Preview

by Google · weights not marked open · GRIDA5

Input / 1M
Free
observed We measured
Source
Our catalogue
Retrieved
17 Aug 2026
Output / 1MFree
Context1.05M

Key numbers

Standard tier · highlighted = better

DeepSeek V4 Flash 0731
Lyria 3 Pro Preview
Input / 1M tokens
$0.08
Free
Output / 1M tokens
$0.17
Free
Batch input / output
Not listed
Not listed
Context window
1,048,576
1,048,576
Input types
Not disclosed
Not disclosed
Weights
Not marked open
Not marked open
Tiers listed
standard
standard
Prices checked
2026-10-10
2026-08-17

What it costs for real workloads

Monthly, standard tier, 30 days

Support chatbot10k chats/day · 1.5k in, 300 out
$52.04/mo
$0.00/mo
RAG over documents2k queries/day · 12k in, 500 out
$64.43/mo
$0.00/mo
Coding agent300 tasks/day · 60k in, 8k out
$56.50/mo
$0.00/mo

DeepSeek V4 Flash 0731   Lyria 3 Pro Preview · Derived from the standard-tier prices above, input and output tokens per request as stated, 30 days. Excludes caching discounts and batch. Try your own numbers.

On the atlas

Price band (A–H) × context band (1–6)

1 square apart. Lyria 3 Pro Preview (A5) sits 1 price band cheaper than DeepSeek V4 Flash 0731 (B5).

Same square as DeepSeek V4 Flash 0731: Qwen3.7 Flash ($0.03), Qwen3.5-Flash ($0.07), Nemotron 3.5 Lightning (free) ($0.07). Same square as Lyria 3 Pro Preview: Lyria 3 Clip Preview (Free). Open B5 · Open A5

AFreeB<$0.10C$0.10–0.30D$0.30–1E$1–3F$3–10G$10–30H$30+1<32K232–128K3128–256K4256K–1M51M6>1MINPUT PRICE PER 1M TOKENS →CONTEXT WINDOW ↑ · position within a square follows the real valueNemotron 3.5 Lightning (free) · B5Qwen3.5-Flash · B5Qwen3.7 Flash · B5Nemotron 3 Super · B4Qwen3.5-35B-A3B · B4Gemma 4 31B · B4Lyria 3 Clip Preview · A5Nemotron 3 Nano 30B A3B · B4DeepSeek V4 Flash 0731DeepSeek V4 Flash 0731Lyria 3 Pro PreviewLyria 3 Pro Preview
DeepSeek V4 Flash 0731Lyria 3 Pro PreviewNearest neighboursOpen weights
View the map as a table (3 squares)
SquarePrice bandContext bandModels
GRIDA5Free1MLyria 3 Pro Preview, Lyria 3 Clip Preview
GRIDB4<$0.10256K–1MNemotron 3 Super, Qwen3.5-35B-A3B, Gemma 4 31B, Nemotron 3 Nano 30B A3B
GRIDB5<$0.101MDeepSeek V4 Flash 0731, Nemotron 3.5 Lightning (free), Qwen3.5-Flash, Qwen3.7 Flash

Capabilities side by side

Only what our records list

DeepSeek V4 Flash 0731
Lyria 3 Pro Preview
Vision input
Not disclosed
Not disclosed
Audio input
Not disclosed
Not disclosed
Open weights
Not marked open
Not marked open
Batch tier
Not listed
Not listed
Free tier
Not listed
Not listed
Thinking tier
Not listed
Not listed

Neither record lists input types, so we do not claim any.

Which should you choose?

Editorial

Choose DeepSeek V4 Flash 0731 if…

Nothing in the recorded numbers favours DeepSeek V4 Flash 0731 over Lyria 3 Pro Preview. Pick it for what our records do not cover — your own tests, or an account you already have with DeepSeek.

Choose Lyria 3 Pro Preview if…

  • you pay by the token: it costs Free per 1M input against $0.08
  • output dominates your bill: Free per 1M output against $0.17

Each reason is a fact from the tables above. Picking between them is our judgement, and we do not benchmark quality: price and context are what we can measure, so test both on your own prompts before you commit.

Questions

Is DeepSeek V4 Flash 0731 better than Lyria 3 Pro Preview?
We do not benchmark quality, so we cannot say. On the recorded numbers: Lyria 3 Pro Preview is free on the standard tier; DeepSeek V4 Flash 0731 costs $0.08 per 1M input tokens. Both have a 1.05M-token context window. For a support chatbot at 10,000 chats a day, the standard-tier bill is about $52.04 a month for DeepSeek V4 Flash 0731 and $0.00 for Lyria 3 Pro Preview. Which is better for you depends on your task; test both on your own prompts.
Which is cheaper, DeepSeek V4 Flash 0731 or Lyria 3 Pro Preview?
Lyria 3 Pro Preview: Free against $0.08 per 1M input tokens, and Free against $0.17 per 1M output, on standard pricing.
How much does each cost per 1M tokens?
DeepSeek V4 Flash 0731: $0.08 input and $0.17 output. Lyria 3 Pro Preview: Free input and Free output. Standard tier, USD.
Which has the larger context window?
Neither: both have 1,048,576 tokens.
Do both offer batch pricing?
Neither lists a batch tier in our catalogue.
Can both read images or audio?
Input types recorded for DeepSeek V4 Flash 0731: none recorded. For Lyria 3 Pro Preview: none recorded. Where a record lists none we say so rather than guess; check each vendor's documentation before relying on a capability.
Is either model open-weight?
DeepSeek V4 Flash 0731: not marked open-weight in our records. Lyria 3 Pro Preview: not marked open-weight in our records.
Is either model free?
DeepSeek V4 Flash 0731 is not listed at no per-token charge; Lyria 3 Pro Preview is. Read the provider's limits before relying on a free offer.
What would each cost for a support chatbot?
At 10,000 chats a day, 1,500 input and 300 output tokens each, 30 days, standard tier: about $52.04 a month for DeepSeek V4 Flash 0731 and $0.00 for Lyria 3 Pro Preview. This is our calculation from the listed prices, not a quote.

About the two models

DeepSeek V4 Flash 0731

By DeepSeek. $0.08 input and $0.17 output per 1M tokens, 1.05M context, atlas square B5. Tiers listed: standard.

Full specs & pricing →

Lyria 3 Pro Preview

By Google. Free input and Free output per 1M tokens, 1.05M context, atlas square A5. Tiers listed: standard.

Full specs & pricing →

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