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DeepSeek-V4.1-Flash vs GPT-Live-1

Comparing DeepSeek-V4.1-Flash and GPT-Live-1 across benchmarks, pricing, and capabilities.

DeepSeek · OpenAI · Updated for 2026

Which is better?

DeepSeek-V4.1-Flash and GPT-Live-1 trade strengths across price, capabilities, and technical limits. The better choice depends on the workload.

Based on current LLM Stats indexes, shared benchmarks, pricing, and model metadata for 2026.

Choose DeepSeek-V4.1-Flash

  • you need open weights you can self-host or fine-tune

Choose GPT-Live-1

  • you are already invested in the OpenAI ecosystem

At a glance

The differences that matter most.

DeepSeek-V4.1-Flash
DeepSeek
GPT-Live-1
OpenAI
Benchmark wins
—
—
Input price
$0.22 / M
— / M
Output price
$0.66 / M
— / M
Context window
1,040,000
—

Individual benchmarks

20 reported for DeepSeek-V4.1-Flash · 2 for GPT-Live-1

No common benchmarks found

DeepSeek-V4.1-Flash and GPT-Live-1don't have any common benchmark datasets to compare. They may have been evaluated on different testing suites.

Human preference

Blind head-to-head votes and playground preference scores

Context Window

Maximum input and output token capacity

Only DeepSeek-V4.1-Flash specifies input context (1,040,000 tokens). Only DeepSeek-V4.1-Flash specifies output context (393,216 tokens).

DeepSeek
DeepSeek-V4.1-Flash
Input1,040,000 tokens
Output393,216 tokens
OpenAI
GPT-Live-1
Input- tokens
Output- tokens
Sun Sep 20 2026 • llm-stats.com

Input capabilities

Documented input modalities across available providers

Both DeepSeek-V4.1-Flash and GPT-Live-1 support multimodal inputs.

They are both capable of processing various types of data, offering versatility in application.

DeepSeek-V4.1-Flash

Text
Images
Audio
Video

GPT-Live-1

Text
Images
Audio
Video

License

Usage and distribution terms

DeepSeek-V4.1-Flash is licensed under MIT, while GPT-Live-1 uses a proprietary license.

License differences may affect how you can use these models in commercial or open-source projects.

DeepSeek-V4.1-Flash

MIT

Open weights

GPT-Live-1

Proprietary

Closed source

Release Timeline

When each model was launched

Both models were released on 2026-09-10.

They likely represent similar generations of model development.

DeepSeek-V4.1-Flash

Sep 10, 2026

1 weeks ago

GPT-Live-1

Sep 10, 2026

1 weeks ago

Knowledge Cutoff

When training data ends

GPT-Live-1 has a documented knowledge cutoff of 2025-07-31, while DeepSeek-V4.1-Flash's cutoff date is not specified.

We can confirm GPT-Live-1's training data extends to 2025-07-31, but cannot make a direct comparison without DeepSeek-V4.1-Flash's cutoff date.

DeepSeek-V4.1-Flash

—

GPT-Live-1

Jul 2025

Provider Availability

DeepSeek-V4.1-Flash is available from Fireworks, DeepInfra, DeepSeek, Novita. GPT-Live-1 is available from OpenAI.

DeepSeek-V4.1-Flash

fireworks logo
Fireworks
Input Price:Input: $0.22/1MOutput Price:Output: $0.66/1M
deepinfra logo
Deepinfra
Input Price:Input: $0.30/1MOutput Price:Output: $1.20/1M
deepseek logo
DeepSeek
Input Price:Input: $0.30/1MOutput Price:Output: $1.20/1M
novita logo
Novita
Input Price:Input: $0.30/1MOutput Price:Output: $1.20/1M

GPT-Live-1

openai logo
OpenAI
* Prices shown are per million tokens

Outputs Comparison

Notice missing or incorrect data?Start an Issue discussion→

Judge for yourself.

Run your own prompts against DeepSeek-V4.1-Flash and GPT-Live-1 side-by-side, then vote on the output you prefer.

DeepSeek-V4.1-Flash
✓ Preferred
GPT-Live-1
Open in Playground

FAQ

Common questions about DeepSeek-V4.1-Flash vs GPT-Live-1.

Which is better, DeepSeek-V4.1-Flash or GPT-Live-1?

DeepSeek-V4.1-Flash (DeepSeek) and GPT-Live-1 (OpenAI) each have strengths in different areas. Compare their benchmark scores, pricing, context windows, and capabilities above to determine which fits your needs.

How does DeepSeek-V4.1-Flash compare to GPT-Live-1 in benchmarks?

DeepSeek-V4.1-Flash scores CodeForces: 100.0%, GPQA: 90.9%, Terminal-Bench 2.1: 90.6%, BabyVision: 89.6%, CyberGym: 88.1%. GPT-Live-1 scores TAU3-Bench: 86.2%, Tau3 Banking: 32.0%.

What are the context window sizes for DeepSeek-V4.1-Flash and GPT-Live-1?

DeepSeek-V4.1-Flash supports 1.0M tokens and GPT-Live-1 supports an unknown number of tokens. A larger context window lets you process longer documents, conversations, or codebases in a single request.

What are the main differences between DeepSeek-V4.1-Flash and GPT-Live-1?

Key differences include licensing (MIT vs Proprietary). See the full comparison above for benchmark-by-benchmark results.

Who makes DeepSeek-V4.1-Flash and GPT-Live-1?

DeepSeek-V4.1-Flash is developed by DeepSeek and GPT-Live-1 is developed by OpenAI.

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