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DeepSeek-V4-Flash-Max vs GPT-6 Rosalind

Comparing DeepSeek-V4-Flash-Max and GPT-6 Rosalind across benchmarks, pricing, and capabilities.

DeepSeek · OpenAI · Updated for 2026

Which is better?

DeepSeek-V4-Flash-Max and GPT-6 Rosalind trade strengths across price, capabilities, and technical limits. The better choice depends on the workload.

On price, DeepSeek-V4-Flash-Max is roughly 266.7x cheaper per token on a blended 3:1 input/output basis, which adds up quickly at production volume.

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

Choose DeepSeek-V4-Flash-Max

  • cost matters — it's about 266.7x cheaper per token
  • you need open weights you can self-host or fine-tune

Choose GPT-6 Rosalind

  • you want the most recent training data — it shipped Oct 2026

At a glance

The differences that matter most.

DeepSeek-V4-Flash-Max
DeepSeek
GPT-6 Rosalind
OpenAI
Benchmark wins
—
—
Input price
$0.09 / M
$15.00 / M
Output price
$0.18 / M
$75.00 / M
Context window
1,048,576
—

Individual benchmarks

19 reported for DeepSeek-V4-Flash-Max · 0 for GPT-6 Rosalind

No common benchmarks found

DeepSeek-V4-Flash-Max and GPT-6 Rosalinddon'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

Pricing Analysis

Price comparison per million tokens

DeepSeek-V4-Flash-Max costs less

For input processing, DeepSeek-V4-Flash-Max ($0.09/1M tokens) is 166.7x cheaper than GPT-6 Rosalind ($15.00/1M tokens).

For output processing, DeepSeek-V4-Flash-Max ($0.18/1M tokens) is 416.7x cheaper than GPT-6 Rosalind ($75.00/1M tokens).

In conclusion, GPT-6 Rosalind is more expensive than DeepSeek-V4-Flash-Max.*

* Using a 3:1 ratio of input to output tokens

Lowest available price from all providers
Wed Nov 11 2026 • llm-stats.com
DeepSeek
DeepSeek-V4-Flash-Max
Input tokens$0.09
Output tokens$0.18
Best providerDeepinfra
OpenAI
GPT-6 Rosalind
Input tokens$15.00
Output tokens$75.00
Best providerOpenAI
Notice missing or incorrect data?

Context Window

Maximum input and output token capacity

Only DeepSeek-V4-Flash-Max specifies input context (1,048,576 tokens). Only DeepSeek-V4-Flash-Max specifies output context (1,048,576 tokens).

DeepSeek
DeepSeek-V4-Flash-Max
Input1,048,576 tokens
Output1,048,576 tokens
OpenAI
GPT-6 Rosalind
Input- tokens
Output- tokens
Wed Nov 11 2026 • llm-stats.com

Input capabilities

Documented input modalities across available providers

GPT-6 Rosalind supports multimodal inputs, whereas DeepSeek-V4-Flash-Max does not.

GPT-6 Rosalind can handle both text and other forms of data like images, making it suitable for multimodal applications.

DeepSeek-V4-Flash-Max

Text
Images
Audio
Video

GPT-6 Rosalind

Text
Images
Audio
Video

License

Usage and distribution terms

DeepSeek-V4-Flash-Max is licensed under MIT, while GPT-6 Rosalind uses a proprietary license.

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

DeepSeek-V4-Flash-Max

MIT

Open weights

GPT-6 Rosalind

Proprietary

Closed source

Release Timeline

When each model was launched

DeepSeek-V4-Flash-Max was released on 2026-04-23, while GPT-6 Rosalind was released on 2026-10-30.

GPT-6 Rosalind is 6 months newer than DeepSeek-V4-Flash-Max.

DeepSeek-V4-Flash-Max

Apr 23, 2026

6 months ago

GPT-6 Rosalind

Oct 30, 2026

1 weeks ago

6mo newer

Knowledge Cutoff

When training data ends

Neither model specifies a knowledge cutoff date.

Unable to compare the recency of their training data.

No cutoff dates available

Provider Availability

DeepSeek-V4-Flash-Max is available from DeepInfra, DeepSeek. GPT-6 Rosalind is available from OpenAI.

DeepSeek-V4-Flash-Max

deepinfra logo
Deepinfra
Input Price:Input: $0.09/1MOutput Price:Output: $0.18/1M
deepseek logo
DeepSeek
Input Price:Input: $0.14/1MOutput Price:Output: $0.28/1M

GPT-6 Rosalind

openai logo
OpenAI
Input Price:Input: $15.00/1MOutput Price:Output: $75.00/1M
* Prices shown are per million tokens

Outputs Comparison

Notice missing or incorrect data?

Judge for yourself.

Run your own prompts against DeepSeek-V4-Flash-Max and GPT-6 Rosalind side-by-side, then vote on the output you prefer.

DeepSeek-V4-Flash-Max
✓ Preferred
GPT-6 Rosalind
Open in Playground

FAQ

Common questions about DeepSeek-V4-Flash-Max vs GPT-6 Rosalind.

Which is better, DeepSeek-V4-Flash-Max or GPT-6 Rosalind?

DeepSeek-V4-Flash-Max (DeepSeek) and GPT-6 Rosalind (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-Flash-Max compare to GPT-6 Rosalind in benchmarks?

DeepSeek-V4-Flash-Max scores CodeForces: 100.0%, HMMT Feb 26: 94.8%, LiveCodeBench: 91.6%, IMO-AnswerBench: 88.4%, GPQA: 88.1%.

Is DeepSeek-V4-Flash-Max cheaper than GPT-6 Rosalind?

DeepSeek-V4-Flash-Max is 166.7x cheaper for input tokens. DeepSeek-V4-Flash-Max costs $0.09/M input and $0.18/M output via deepinfra. GPT-6 Rosalind costs $15.00/M input and $75.00/M output via openai.

What are the context window sizes for DeepSeek-V4-Flash-Max and GPT-6 Rosalind?

DeepSeek-V4-Flash-Max supports 1.0M tokens and GPT-6 Rosalind 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-Flash-Max and GPT-6 Rosalind?

Key differences include input pricing ($0.09 vs $15.00/M), multimodal support (no vs yes), licensing (MIT vs Proprietary). See the full comparison above for benchmark-by-benchmark results.

Who makes DeepSeek-V4-Flash-Max and GPT-6 Rosalind?

DeepSeek-V4-Flash-Max is developed by DeepSeek and GPT-6 Rosalind is developed by OpenAI.

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