Roundup
Best AI Models for Research
Long documents, citations and careful reasoning: the models we reach for when accuracy matters more than speed.
Google: Gemini 3.1 Pro Preview (batch)
google/gemini-3.1-pro-preview:batch
Gemini 3.1 Pro Preview is Google’s frontier reasoning model, delivering enhanced software engineering performance, improved agentic reliability, and more efficient token usage across complex workflows. Building on the multimodal foundation...
Listed (19 Feb 2026)
Source: OpenRouter (live)
- Input
- $1.00
- USD per 1M tokens
- Output
- $6.00
- USD per 1M tokens
- Blended
- $2.25
- 75% in / 25% out
- Context
- 1.0M
- tokens
- Max output
- 66K
- tokens
- Modality
- text+image+file+audio+video->text
Prices as listed on OpenRouter, refreshed every five minutes. Provider-direct prices may differ. Convert to your currency on the AI Tracker.
Capabilities
Declared on the listing
- Tool / function calling Declared
- Reasoning controls Declared
- Structured output Declared
- InputAudio, File, Image, Text, Video
- 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
- 2.8× median
- Market median blended price is $0.800/M across 417 priced models.
Alternatives
More from Google
$0.750
/M blended
Google
$1.50
/M blended
$0.750
/M blended
Google
$1.50
/M blended
$0.750
/M blended
Google
$1.50
/M blended
Alternatives
Similar price, other providers
$2.25
/M blended
$2.25
/M blended
Qwen (Alibaba)
$2.21
/M blended
Qwen (Alibaba)
$2.31
/M blended
OpenAI
$2.19
/M blended
OpenAI
$2.38
/M blended
Within ±50% of $2.25/M blended.
Analysis
Related reading
Roundup
Best AI Models for Business
Predictable quality, sensible pricing and vendor stability for everyday writing, analysis and customer-facing work.
Comparison
Gemini vs GPT
Google's Gemini against OpenAI's GPT: context, multimodality, price and where each fits.
Google DeepMind's Gemini and Gemma models. All Google models · Official site
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