Qwen3.8 Omni Flash vs Qwen3 8B

Pick up to 3 models · pricing, context and capabilities · simulate your product cost

Data updated on September 30, 2026· 217 models

QwenOmni Flash

Qwen3.8 Omni Flash is an omni-modal reasoning model from Alibaba, the first Qwen model built around agentic capabilities with native audio-video understanding.

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Reasoning estimated
Speed estimated
Input
Output
Context
▲1 M tokens
Max output
▲131 K
Input, $ per 1M tokens
$0.150
Output, $ per 1M tokens
$0.470
Cache read, $ per 1M
$0.016
Batch (input / output)
—
Tool calling
Yes
Released
▲09/17/2026
Knowledge cutoff
—
API id
qwen/qwen3.8-omni-flash
QwenQwen3 8B

Qwen3-8B is a dense 8.2B parameter causal language model from the Qwen3 series, designed for both reasoning-heavy tasks and efficient dialogue.

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Reasoning estimated
Speed estimated
Input
Output
Context
131 K tokens
Max output
8 K
Input, $ per 1M tokens
▲$0.117
Output, $ per 1M tokens
▲$0.455
Cache read, $ per 1M
—
Batch (input / output)
—
Tool calling
Yes
Released
04/01/2025
Knowledge cutoff
2025-04
API id
qwen/qwen3-8b
Third model (optional)
text image audio video PDF / file reasoning (1 to 5, estimated by family) speed (1 to 4, estimated by family)▲ best value among the selected

Which is the better API choice: Qwen3.8 Omni Flash vs Qwen3 8B?

  • Qwen3 8B: cheapest input (22% less than Qwen3.8 Omni Flash)
  • Qwen3 8B: cheapest output
  • Qwen3.8 Omni Flash: largest context (1 M)
  • Qwen3.8 Omni Flash: the newest (09/17/2026)

Qwen3 8B costs 22% less on input and 3% less on output than Qwen3.8 Omni Flash ($0.117 / $0.455 versus $0.150 / $0.470 per million tokens). Qwen3.8 Omni Flash accepts more context (1 M). On capabilities, Qwen3.8 Omni Flash accepts images; only Qwen3.8 Omni Flash accepts audio.

What would your product cost?

Estimate the monthly cost with your app's real volume. List prices, no cache or batch discounts.

Qwen3.8 Omni Flash
$4.13/mo
Qwen3 8B
$3.58/mo

With Qwen3 8B you save $0.55 a month versus Qwen3.8 Omni Flash (13% less).

The 6 cheapest for this scenario (chat, last 12 months)

  1. 1Lyria 3 Pro Preview Google$0.00
  2. 2Lyria 3 Clip Preview Google$0.00
  3. 3Qwen3.7 Flash Qwen$0.97
  4. 4DeepSeek V4 Flash 0731 DeepSeek$1.55
  5. 5Ministral 3 3B 2512 Mistral$1.90
  6. 6Qwen3.5-Flash Qwen$2.02

Paste your prompt: tokens and cost per model

Rough estimate (about 4 characters per token). Nothing is sent to any server.

76tokens approx.287 characters

Cost of sending it 1,000 times (input only)

  1. 1Qwen3 8B Qwen$0.009
  2. 2Qwen3.8 Omni Flash Qwen$0.011
  3. 3Claude Sonnet 5.5 Anthropic$0.152
  4. 4Claude Sonnet 5 Anthropic$0.152
  5. 5Claude Opus 5.5 Anthropic$0.304
  6. 6Claude Opus 5 Anthropic$0.380
  7. 7Claude Fable 5.1 Anthropic$0.760
  8. 8Claude Fable 5 Anthropic$0.760

Popular comparisons

Frequently asked questions

Which is the better API choice: Qwen3.8 Omni Flash vs Qwen3 8B?

Qwen3 8B costs 22% less on input and 3% less on output than Qwen3.8 Omni Flash ($0.117 / $0.455 versus $0.150 / $0.470 per million tokens). Qwen3.8 Omni Flash accepts more context (1 M). On capabilities, Qwen3.8 Omni Flash accepts images; only Qwen3.8 Omni Flash accepts audio.

Which is cheaper: Qwen3.8 Omni Flash and Qwen3 8B?

Qwen3 8B is cheaper: $0.117 per million input tokens and $0.455 per million output tokens, versus $0.150 / $0.470 for Qwen3.8 Omni Flash.

Which has more context: Qwen3.8 Omni Flash and Qwen3 8B?

Qwen3.8 Omni Flash accepts 1 M tokens of context; Qwen3 8B accepts 131 K.

Which is newer: Qwen3.8 Omni Flash and Qwen3 8B?

Qwen3.8 Omni Flash was released on 09/17/2026; Qwen3 8B on 04/01/2025.

What would 10,000 requests a month cost with Qwen3.8 Omni Flash and Qwen3 8B?

With 1,500 input and 400 output tokens per request: Qwen3.8 Omni Flash: $4.13; Qwen3 8B: $3.58 a month, at list price.

Where do the prices come from and how often are they updated?

From the public catalogs of OpenRouter, models.dev and LiteLLM, which publish each provider's list prices. They sync once a day and the last update date is shown above the comparison.

What does price per million tokens mean?

It is what the provider charges per million tokens you send (input) or the model generates (output). A token is roughly 4 characters. Output almost always costs more than input.

Sources: OpenRouter, models.dev and LiteLLM. Prices in USD per million tokens, list price, no volume discounts. Prompt tokens are an estimate; each provider's tokenizer may differ.