DeepSeek V4.1 Flash 1017 vs GPT-6.1 Sol Pro
Pick up to 3 models · pricing, context and capabilities · simulate your product cost
Data updated on October 23, 2026· 222 models
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.
- Reasoning estimated
- Speed estimated
- ▲
- Input
- Output
- Context
- 1 M tokens
- Max output
- ▲393 K
- Input, $ per 1M tokens
- ▲$0.300
- Output, $ per 1M tokens
- ▲$1.20
- Cache read, $ per 1M
- $0.006
- Batch (input / output)
- —
- Tool calling
- Yes
- Released
- ▲10/17/2026
- Knowledge cutoff
- 2025-05
- API id
- deepseek/deepseek-v4.1-flash-1017
GPT-6.1 Sol Pro is the same underlying model as GPT-6.1 Sol, served with reasoning.mode set to pro for higher-quality responses on complex tasks.
- Reasoning estimated
- ▲
- Speed estimated
- Input
- Output
- Context
- ▲1.1 M tokens
- Max output
- 128 K
- Input, $ per 1M tokens
- $2.00
- Output, $ per 1M tokens
- $10.00
- Cache read, $ per 1M
- $0.100
- Batch (input / output)
- $1.00 / $5.00
- Tool calling
- Yes
- Released
- 09/29/2026
- Knowledge cutoff
- —
- API id
- openai/gpt-6.1-sol-pro
Which is the better API choice: DeepSeek V4.1 Flash 1017 vs GPT-6.1 Sol Pro?
- DeepSeek V4.1 Flash 1017: cheapest input (85% less than GPT-6.1 Sol Pro)
- DeepSeek V4.1 Flash 1017: cheapest output
- GPT-6.1 Sol Pro: largest context (1.1 M)
- DeepSeek V4.1 Flash 1017: the newest (10/17/2026)
- GPT-6.1 Sol Pro: most reasoning (estimated)
- DeepSeek V4.1 Flash 1017: the fastest (estimated)
DeepSeek V4.1 Flash 1017 costs 85% less on input and 88% less on output than GPT-6.1 Sol Pro ($0.300 / $1.20 versus $2.00 / $10.00 per million tokens). GPT-6.1 Sol Pro accepts more context (1.1 M). GPT-6.1 Sol Pro offers a batch tier at half price for jobs that do not need an immediate answer.
What would your product cost?
Estimate the monthly cost with your app's real volume. List prices, no cache or batch discounts.
With DeepSeek V4.1 Flash 1017 you save $60.70 a month versus GPT-6.1 Sol Pro (87% less).
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- 5Qwen3.5-Flash Qwen$2.02
- 6DeepSeek V4 Flash 0423 DeepSeek$2.09
Paste your prompt: tokens and cost per model
Rough estimate (about 4 characters per token). Nothing is sent to any server.
Cost of sending it 1,000 times (input only)
- 1Claude Haiku 5.5 Anthropic$0.008
- 2DeepSeek V4.1 Flash 1017 DeepSeek$0.023
- 3GPT-6.1 Sol Pro OpenAI$0.152
- 4Claude Sonnet 5.5 Anthropic$0.152
- 5Claude Sonnet 5 Anthropic$0.152
- 6Claude Opus 5.5 Anthropic$0.304
- 7Claude Opus 5 Anthropic$0.380
- 8Claude Fable 5.1 Anthropic$0.760
Popular comparisons
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- GPT-6.1 Sol Pro vs Grok 4.7
- Gemini 4 Argon vs DeepSeek V4.1 Flash 1017
- Gemini 4 Argon vs Grok 4.7
- DeepSeek V4.1 Flash 1017 vs Grok 4.7
Frequently asked questions
Which is the better API choice: DeepSeek V4.1 Flash 1017 vs GPT-6.1 Sol Pro?
DeepSeek V4.1 Flash 1017 costs 85% less on input and 88% less on output than GPT-6.1 Sol Pro ($0.300 / $1.20 versus $2.00 / $10.00 per million tokens). GPT-6.1 Sol Pro accepts more context (1.1 M). GPT-6.1 Sol Pro offers a batch tier at half price for jobs that do not need an immediate answer.
Which is cheaper: DeepSeek V4.1 Flash 1017 and GPT-6.1 Sol Pro?
DeepSeek V4.1 Flash 1017 is cheaper: $0.300 per million input tokens and $1.20 per million output tokens, versus $2.00 / $10.00 for GPT-6.1 Sol Pro.
Which has more context: DeepSeek V4.1 Flash 1017 and GPT-6.1 Sol Pro?
GPT-6.1 Sol Pro accepts 1.1 M tokens of context; DeepSeek V4.1 Flash 1017 accepts 1 M.
Which is newer: DeepSeek V4.1 Flash 1017 and GPT-6.1 Sol Pro?
DeepSeek V4.1 Flash 1017 was released on 10/17/2026; GPT-6.1 Sol Pro on 09/29/2026.
What would 10,000 requests a month cost with DeepSeek V4.1 Flash 1017 and GPT-6.1 Sol Pro?
With 1,500 input and 400 output tokens per request: DeepSeek V4.1 Flash 1017: $9.30; GPT-6.1 Sol Pro: $70.00 a month, at list price.
Where do the prices come from and how often are they updated?
From the public catalogs of OpenRouter, models.dev and LiteLLM, which publish each provider's list prices. They sync once a day and the last update date is shown above the comparison.
What does price per million tokens mean?
It is what the provider charges per million tokens you send (input) or the model generates (output). A token is roughly 4 characters. Output almost always costs more than input.
Sources: OpenRouter, models.dev and LiteLLM. Prices in USD per million tokens, list price, no volume discounts. Prompt tokens are an estimate; each provider's tokenizer may differ.