Roundup
Best AI Models for Coding
Which frontier models actually hold up in multi-file refactors, agentic tooling and test-driven work, and what they cost per million tokens.
DeepSeek: DeepSeek V4.1 Flash 1017
deepseek/deepseek-v4.1-flash-1017
DeepSeek V4.1 Flash 1017 is the October 17, 2026 snapshot of DeepSeek V4.1 Flash, served by DeepSeek under the `deepseek-flash` API model name. V4.1 Flash is a sparse mixture-of-experts model...
Listed (17 Oct 2026)
Source: OpenRouter (live)
- Input
- $0.150
- USD per 1M tokens
- Output
- $0.600
- USD per 1M tokens
- Blended
- $0.262
- 75% in / 25% out
- Context
- 1.0M
- tokens
- Max output
- 393K
- tokens
- Modality
- text+image->text
Prices as listed on OpenRouter, refreshed every five minutes. Provider-direct prices may differ. Convert to your currency on the AI Tracker.
Price history
How this listing has moved
- 7-day
- -
- 30-day
- -
- 90-day
- -
First recorded 18 Oct 2026. Deltas appear once a second daily snapshot lands. See all changes on Market Movers.
Capabilities
Declared on the listing
- Tool / function calling Declared
- Reasoning controls Declared
- Structured output Declared
- InputText, Image
- OutputText
Capabilities are read from the provider listing. "Not declared" means the listing does not advertise the feature, not that it is absent.
Why it costs this
Pricing context
- 69% below median
- Cheap input
- Cheap output
- Market median blended price is $0.850/M across 445 priced models.
Benchmarks
Where we rate it
- Coding - Real-world software tasks: multi-file edits, bug fixing and agentic tool use.Verify on SWE-bench , LiveCodeBench , Aider Polyglot
- Speed & Value - Fast, inexpensive models for high-volume workloads. Our shortlist of capable small models, ordered by live blended price (cheapest first).Verify on Artificial Analysis
Editorial picks, not scores. We link the public leaderboards we watch rather than inventing an AI HQ rating.
Alternatives
More from DeepSeek
$0.075
/M blended
DeepSeek
$0.085
/M blended
$0.323
/M blended
DeepSeek: DeepSeek V4 Pro 0813
DeepSeek
$0.990
/M blended
DeepSeek: DeepSeek V4 Flash 0731
DeepSeek
$0.150
/M blended
DeepSeek: DeepSeek V4 Pro 0423
DeepSeek
$0.261
/M blended
Alternatives
Similar price, other providers
Mistral
$0.262
/M blended
Upstage
$0.262
/M blended
Qwen: Qwen3 VL 30B A3B Instruct
Qwen (Alibaba)
$0.262
/M blended
OpenAI
$0.262
/M blended
$0.262
/M blended
OpenAI
$0.262
/M blended
Within ±50% of $0.262/M blended.
Analysis
Related reading
Review
DeepSeek Review
Open-weight, remarkably cheap and genuinely capable. Where DeepSeek fits and what to watch for.
Low-cost open-weight reasoning and chat models. All DeepSeek models · Official site
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