Google DeepMind's Gemini 4 Argon is a frontier foundation model announced Oct 5, 2026, headlined by a 1,000,000-token output window in a single response and aggressive pricing at $2/$10 per million tokens - matching GPT-6.1 Sol. Access is gated through the Fairwind Program: trusted cyber defenders get in first, broader API access follows further safety review. Google claims it leads 13 of 19 benchmarks at debut (including #1 on Text Arena), though those figures are vendor-reported and pending independent re-runs.
Parameters
Not disclosed
Context Window
1M output tokens (input context undisclosed)
License
Proprietary
Release Date
2026-10-05
API Pricing
Input Price (per 1M tokens)
$2
Output Price (per 1M tokens)
$10
Billing Mode: standard
Strengths
- •1M-token output in a single response suits long agentic and enterprise-knowledge jobs
- •Priced like a mid-tier model ($2/$10) while landing at or near the top of Text Arena
- •Strong on coding, enterprise knowledge and cyber defense; 68% on CWE-bench v1 for autonomous vulnerability handling
- •Staged Fairwind Program rollout reads as the most disciplined safety posture among recent frontier launches
Weaknesses
- •Access is gated; general API availability is held for further safety checks and a U.S. pre-release review, so GA is slower
- •Independent testing says it burns 2x+ the tokens per task versus GPT-6.1 Sol and trails on some real-use coding
- •Hallucination rate ~15% (independent) beats Astra's 51% but trails Opus 5.5's stated 66%
- •Several benchmark claims (13 of 19, Text Arena #1) are Google self-reported at launch
Use Cases
- •Long-document summarization, legal and compliance batch processing
- •Autonomous agents, malware analysis and vulnerability triage (CWE-bench strength)
- •Enterprise RAG needing deep corporate-knowledge retrieval and codebase understanding
Deep Analysis
Max output tokens
1,000,000
Up to 1M-token output in a single response; input context undisclosed
Input / Output price
$2 / $10 per 1M
Matches GPT-6.1 Sol; aggressive for a frontier model
Benchmark lead
13 of 19
Per Google; 1st on Text Arena at debut
CWE-bench v1
68%
Autonomous vuln find/validate/fix
Access
Fairwind Program (gated)
Trusted cyber defenders first; broader access after safety review
Hallucination rate
~15%
Independent testing; trails Opus 5.5 (66%) but beats Astra (51%)
Strengths
- ・1M-token output in a single response is a real differentiator for long agentic and enterprise-knowledge jobs - few models ship that much output today.
- ・Priced like a mid-tier model ($2/$10) while landing at or near the top of Text Arena - Google is competing on price as well as capability, directly colliding with GPT-6.1 Sol.
- ・Strong on the work Google is aiming at: coding, enterprise knowledge and cyber defense, with 68% on CWE-bench v1 for autonomous vulnerability handling.
- ・Gated, staged rollout through the Fairwind Program reads as the most disciplined safety posture of the recent frontier launches - if you are a trusted defender, access is fast.
Weaknesses
- ・Access is gated: broader API access is held for further safety checks and a U.S. voluntary pre-release review, so general availability is slower than an un-gated launch.
- ・Independent testing says it burns over 2x the tokens per task versus GPT-6.1 Sol and trails it on some real-use coding, eroding the price advantage the $2/$10 tag implies.
- ・Hallucination rate ~15% (independent) is better than Astra's 51% but worse than Opus 5.5's stated 66% misread - verify on your own data before trusting long outputs.
- ・Several benchmark claims (13 of 19, Text Arena #1) are Google self-reported at launch; treat the composite as provisional until Artificial Analysis and others re-run them.
Competitor Comparison
| Model | Arena | SWE | GPQA | Price |
|---|---|---|---|---|
| GPT-6.1 Sol | N/A | N/A | N/A | $2 / $10 per 1M |
| Claude Opus 5.5 | N/A | N/A | N/A | Proprietary |
| Gemini 3.8 Flash | N/A | N/A | N/A | $0.30 / $1.20 per 1M |
Gemini 4 Argon is Google DeepMind's first frontier model in over seven months, launched in early October 2026 and aimed at complex, long-horizon coding, enterprise knowledge work and cyber defense. Its headline specs are serious: up to 1,000,000 output tokens in a single response, introductory API pricing of $2 per million input tokens and $10 per million output - identical to OpenAI's GPT-6.1 Sol - and a claimed lead on 13 of 19 credible benchmarks, debuting at or near the top of Text Arena.
The launch shape matters as much as the specs. Argon reaches 'trusted cyber defenders' first through Google's Fairwind Program, with broader API access held for further safety checks and a U.S. voluntary pre-release review. That is the same gated choreography OpenAI and Anthropic have used - ship the capable model, bolt on the gate, call it safety. Argon is a genuine frontier release; the gating is the same control valve painted a different color, and the ~15% independent hallucination rate means long outputs still need verification.
Sources
Analysis generated: 2026-10-05