Models

DeepSeek V4 Flash vs GPT 6 Astra

Compare DeepSeek V4 Flash from DeepSeek and GPT 6 Astra from OpenAI on key metrics including benchmarks, price, context length, and other model features. Access both models and hundreds of others through the AIHubMix API.

DeepSeekDeepSeek V4 FlashOpenAIGPT 6 Astra
DeepSeek logo
DeepSeek V4 Flash
DeepSeek · text → text

DeepSeek V4 Flash 0423 is DeepSeek's efficiency-optimized Mixture-of-Experts text model, designed for fast inference and workflows requiring tool use, function calling, and structured outputs. It features 284B total parameters with 13B activated parameters and supports a 1M-token context window with cost-effective pricing.

Input$0.464 /M
Output$0.928 /M
Cache read$0.0039 /M
OpenAI logo
GPT 6 Astra
OpenAI · text, image → text

GPT-5.6 Terra is designed for workloads that balance intelligence and cost. It roughly corresponds to the mini model tier used in earlier GPT-5 families.

Input$2.5 /M
Output$15 /M
Cache read$0.25 /M

Pricing & Specifications

Prices are per million tokens. Time to First Token and throughput are rolling averages measured on AIHubMix.

DeepSeek V4 Flash
GPT 6 Astra
Input /M
$0.464
$2.5
Output /M
$0.928
$15
Cache read /M
$0.0039
$0.25
Context length
1,000,000
1,050,000
Max output
0
128,000
Time to First Token
0.7 s
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Throughput
59.0 tok/s
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Modalities
text
textimage
Supported Parameters
toolsfunction callingstructured outputs
API Formats
Released
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Promotional prices show the discounted rate; see each model page for promotion windows.

Activity Past 30 Days

Daily traffic served through AIHubMix — how demand for each model is trending.

deepseek-v4-flashgpt-6-astra

Tokens / day

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Requests / day

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Performance Past 3 Days

Measured on real AIHubMix traffic, hourly buckets. Gaps mean no traffic in that hour.

deepseek-v4-flashgpt-6-astra

Throughput (tok/s)

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TTFT (s)

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Uptime (%)

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Cost calculator

Estimate your monthly bill for the same workload on each model.

DeepSeek V4 Flash
$41.76 /mo
GPT 6 Astra
$375 /mo

Monthly = daily × 30. Discounted rates applied where a promotion is active.

FAQ

Which is cheaper: DeepSeek V4 Flash, GPT 6 Astra?

DeepSeek V4 Flash: $0.928/M output tokens; GPT 6 Astra: $15/M. Use the cost calculator above to estimate your own workload.

How large is each context window?

DeepSeek V4 Flash accepts 1,000,000 and GPT 6 Astra accepts 1,050,000 input tokens.

What inputs and capabilities does each model support?

DeepSeek V4 Flash accepts text input and supports tool calling, function calling and structured outputs; GPT 6 Astra accepts text and image input.

Can I call DeepSeek V4 Flash and GPT 6 Astra with the same API key?

Yes. AIHubMix serves every model on this page behind one OpenAI-compatible endpoint, so switching between them is a one-line change to the model field — no second account, key or SDK.

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