---
title: "deepseek-v4-flash-0731 - Model Details & Comparison"
description: "deepseek-v4-flash-0731 from Perplexity: capabilities, context limits, pricing, and side-by-side comparisons with alternative models."
url: "https://www.getmaxim.ai/bifrost/model-library/compare/perplexity/deepseek-v4-flash-0731"
markdown: "https://www.getmaxim.ai/bifrost/model-library/compare/perplexity/deepseek-v4-flash-0731.md"
---

# deepseek-v4-flash-0731 - Model Details & Comparison

> deepseek-v4-flash-0731 from Perplexity: capabilities, context limits, pricing, and side-by-side comparisons with alternative models.

## Important Links

- [View MCP Gateway](https://www.getmaxim.ai/bifrost/resources/mcp-gateway.md)
- [Features](https://www.getmaxim.ai/bifrost/#features)
- [Enterprise](https://www.getmaxim.ai/bifrost/enterprise)
- [Pricing](https://www.getmaxim.ai/bifrost/pricing.md)
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## About deepseek-v4-flash-0731

deepseek-v4-flash-0731 is a responses model from Perplexity, one of 4 responses models they offer. It is priced at $0.13 per 1M input tokens and $0.26 per 1M output tokens, ranking 1 out of 64 responses models by cost and cheaper than 98% of models in this category. deepseek-v4-flash-0731 supports function calling, reasoning, web search — one of only 4 responses models with this combination.

## Specifications

- **Perplexity Provider.**
- **Responses Mode.**
- **$0.13 / 1M tokens Input Price.**
- **$0.26 / 1M tokens Output Price.**

## Capabilities

deepseek-v4-flash-0731 supports: Function Calling, Reasoning, Web Search.

## deepseek-v4-flash-0731 Pricing Overview

At $0.13 per 1M input tokens and $0.26 per 1M output tokens, deepseek-v4-flash-0731 ranks 1 out of 64 responses models by input cost. It is more affordable compared to the median of $2.20 for responses models, and is cheaper than 98% of models in this category.

deepseek-v4-flash-0731 is one of 4 Perplexity responses models, one of only 4 responses models combining function calling, reasoning, web search.

## Models to Compare

Alternatives to deepseek-v4-flash-0731 with comparable capabilities.

| Model | Provider | Input $/1M | Output $/1M |
| --- | --- | --- | --- |
| gpt-5.1-codex-mini | OpenAI | $0.25 | $2.00 |
| gpt-5.1-codex-mini | Azure | $0.25 | $2.00 |
| gpt-5.1-codex-mini-2025-11-13 | Azure | $0.25 | $2.00 |
| openai.gpt-5.6-luna | Bedrock Mantle | $0.22 | $1.32 |
| gpt-5.4-pro | Azure | $30.00 | $180.00 |

- [Compare gpt-5.1-codex-mini](https://www.getmaxim.ai/bifrost/model-library/compare/openai/gpt-5.1-codex-mini.md)
- [Compare gpt-5.1-codex-mini](https://www.getmaxim.ai/bifrost/model-library/compare/azure/gpt-5.1-codex-mini.md)
- [Compare gpt-5.1-codex-mini-2025-11-13](https://www.getmaxim.ai/bifrost/model-library/compare/azure/gpt-5.1-codex-mini-2025-11-13.md)
- [Compare openai.gpt-5.6-luna](https://www.getmaxim.ai/bifrost/model-library/compare/bedrock_mantle/openai.gpt-5.6-luna.md)
- [Compare gpt-5.4-pro](https://www.getmaxim.ai/bifrost/model-library/compare/azure/gpt-5.4-pro.md)

## Related Resources

- [Calculate deepseek-v4-flash-0731 costs](https://www.getmaxim.ai/bifrost/llm-cost-calculator/provider/perplexity/model/deepseek-v4-flash-0731.md)
- [Check Perplexity status](https://www.getmaxim.ai/bifrost/provider-status/perplexity.md)
- [All Perplexity pricing](https://www.getmaxim.ai/bifrost/llm-cost-calculator/provider/perplexity.md)

## FAQ

### Is deepseek-v4-flash-0731 cheaper than gpt-5.1-codex-mini?

Yes. deepseek-v4-flash-0731 costs $0.13 per 1M input tokens compared to gpt-5.1-codex-mini's $0.25 per 1M input tokens, making it 92% more affordable. Both are responses models and share support for vision, function calling, reasoning, web search, prompt caching, structured output.

### How does deepseek-v4-flash-0731 pricing compare to the average responses model?

deepseek-v4-flash-0731 input pricing is $0.13 per 1M tokens, which is 94% below the median of $2.20 for responses models. It ranks 1 out of 64 responses models by input cost, making it cheaper than 98% of models in this category. For output, it costs $0.26 per 1M tokens compared to the median of $14.00.

### What makes deepseek-v4-flash-0731 different from other Perplexity models?

Among Perplexity's 4 responses models, deepseek-v4-flash-0731 ranks 1 by input cost. It is the most affordable Perplexity model with function calling and reasoning and web search support. Its combination of function calling, reasoning, web search is shared by only 3 other responses models.

### What are the best alternatives to deepseek-v4-flash-0731?

The most comparable responses models to deepseek-v4-flash-0731 are: gpt-5.1-codex-mini from OpenAI ($0.25/1M input tokens); gpt-5.1-codex-mini from Azure ($0.25/1M input tokens); gpt-5.1-codex-mini-2025-11-13 from Azure ($0.25/1M input tokens); openai.gpt-5.6-luna from Bedrock Mantle ($0.22/1M input tokens). These alternatives were selected based on similar capabilities, pricing, and provider diversity. You can compare any of these models in detail using the Bifrost Model Library.

### Is deepseek-v4-flash-0731 the cheapest responses model with function calling?

Yes. At $0.13 per 1M input tokens, deepseek-v4-flash-0731 is the most affordable responses model that supports function calling. This makes it a strong option for function calling-dependent workloads where cost efficiency matters.

### How do I check if Perplexity is down?

You can monitor Perplexity service health in real time on the Bifrost Perplexity Status page. It tracks current component status, active incidents, and historical reliability data pulled from the official status page every 60 seconds.

### How do I calculate deepseek-v4-flash-0731 costs?

deepseek-v4-flash-0731 is priced based on input and output tokens. Use the interactive calculator at the top of this page to estimate costs for your specific workload. Enter your expected input and output tokens volume and the calculator will show the total cost breakdown. For reference, processing 1M input tokens costs $0.13 and generating 1M output tokens costs $0.26.

## Related Resources

- [Perplexity models](https://www.getmaxim.ai/bifrost/model-library/provider/perplexity.md)
- [Model library](https://www.getmaxim.ai/bifrost/model-library.md)
- [LLM cost calculator](https://www.getmaxim.ai/bifrost/llm-cost-calculator.md)
- [Docs: Bifrost docs](https://docs.getbifrost.ai)
- [GitHub: maximhq/bifrost](https://github.com/maximhq/bifrost)
- [Pricing: Bifrost pricing](https://www.getmaxim.ai/bifrost/pricing.md)
- [Enterprise: Bifrost enterprise](https://www.getmaxim.ai/bifrost/enterprise)
- [Book a Demo: Bifrost demo](https://www.getmaxim.ai/bifrost/book-a-demo)
- [Resources: Bifrost resources](https://www.getmaxim.ai/bifrost/resources.md)

---

*This is a markdown version of [https://www.getmaxim.ai/bifrost/model-library/compare/perplexity/deepseek-v4-flash-0731](https://www.getmaxim.ai/bifrost/model-library/compare/perplexity/deepseek-v4-flash-0731) for AI/LLM consumption.*