Frontier AI Intelligence & Benchmark Radar
Sept 2026 Edition Live Verified
SWE-bench Leader
68.4%
Claude Opus 5.5
GPQA Diamond Peak
94.8%
GPT-6 Astra
Max Throughput
350 t/s
Gemini 3.8 Flash
Lowest Input Cost
$0.75 / 1M
Gemini 3.8 Flash
Benchmark Performance (%) Higher is Better
API Pricing per 1M Tokens ($) Lower is Cheaper
Output Speed (Tokens/s) vs Time-to-First-Token (TTFT) Inference Velocity Profile
Frontier Model Specification Matrix

Comparing the latest two flagship generations across OpenAI, Anthropic, and Google. Click any row to expand technical drawers.

Provider & Model Generation Tier SWE-bench Verified GPQA Diamond Input / Output Price Throughput (t/s) Context Window Primary Moat
OpenAI
GPT-6 Astra
Released Sept 2026
Frontier Flagship Operator Architecture
65.8% 94.8%
$10.00 in / $50.00 out Cached In: $1.00
58 – 62 t/s TTFT: ~1.40s
1,050,000 Max Out: 128k
Computer Operator & Cybersecurity
Architecture & Reasoning

Autonomous agent operator capable of GUI mouse/keyboard interactions, terminal tool execution, and self-correcting multi-step planning. Features 5 tiered intelligence levels (low to max).

Volume Surcharge Threshold

Requests exceeding 272k input tokens scale to 2x input and 1.5x output costs. High-security features gated via OpenAI Daybreak compliance protocol.

Benchmark Indexes

Terminal-Bench: 88.2% | Artificial Analysis Intelligence Score: 56 | MATH-500: 97.4%.
OpenAI
GPT-5.6 Sol
Gen-5 Flagship (Integrated Thinking)
Predecessor Tier Unified Deliberative
59.4% 88.5%
$4.00 in / $20.00 out Cached In: $1.00
70 – 90 t/s TTFT: ~0.95s
512,000 Max Out: 64k
Native CoT & STEM Reasoning
Evolutionary Note

Merged the standalone reasoning capabilities of o1 and o3 directly into the core GPT family, removing the need for separate reasoning endpoints.

Economic Profile

Replaced the original GPT-5 base at a 50% price reduction while serving as the stable production backbone prior to GPT-6 release.

Benchmark Indexes

Terminal-Bench: 75.1% | Intelligence Score: 46 | AIME 2025: 89.2%.
Anthropic
Claude Opus 5.5
Released Sept 22, 2026
Frontier Flagship Agentic Coding Sovereign
68.4% #1 93.6%
$4.00 in / $20.00 out Cache Read: $0.40
65 – 86 t/s TTFT: ~0.90s (+30% vs Opus 5)
1,000,000 Max Out: 64k
Complex Refactoring & Deep Agents
Architecture & Capabilities

Engineered for sustained multi-hour software engineering pipelines without drift. Incorporates Computer Use 2.0 with sub-pixel UI coordinate precision.

Price Efficiency Breakthrough

40% cheaper to operate than Claude Opus 5 with native prompt caching read rate of $0.40/1M, making long-context agent loops highly economical.

Benchmark Indexes

Terminal-Bench 4.0: 66.4% / 86.4% | Artificial Analysis Intelligence Index: 58 (#1 Global) | GPQA Diamond: 93.6%.
Anthropic
Claude Sonnet 5
Released June 30, 2026
Balanced Workhorse Adaptive Reasoning
62.3% 86.2%
$2.50 in / $12.50 out Cache Read: $0.25
110 – 135 t/s TTFT: ~0.65s
500,000 Max Out: 32k
Speed/Quality Pareto Frontier
Adaptive Thinking Mechanism

Automatically regulates token budget allocation based on query ambiguity and algorithmic difficulty, minimizing unneeded token overhead on simple prompts.

Enterprise Role

Direct drop-in successor for Sonnet 4.6 and Sonnet 3.5, widely utilized in real-time developer IDE integrations and CI/CD code reviews.

Benchmark Indexes

Terminal-Bench: 78.5% | Intelligence Score: 47 | HumanEval: 94.1%.
Google
Gemini 3.8 Flash
Released Sept 2, 2026
Frontier Workhorse Extended Thinking
61.6% (80.0% deep) 94.4%
$0.75 in / $3.75 out Promo Thru Dec 2026
300 – 350 t/s TTFT: ~0.30s
1,000,000 Max Out: 64k
Lowest Cost & Real-Time Multimodal
Extended Thinking & Live Speech

Uniquely exposes real-time reasoning traces during live bidirectional audio sessions via Gemini 3.8 Live. Built on TPU v6e infrastructure for 300+ t/s throughput.

Disruptive Pricing Structure

At $0.75 / $3.75, it delivers frontier reasoning for less than 1/10th the cost of GPT-6 Astra, with prompt cache read rates at $0.1875/1M.

Benchmark Indexes

Terminal-Bench 2.1: 90.8% (Google) / 81.3% (indep.) | HLE-Verified: 54.9% | Intelligence Score: 52.
Google
Gemini 3.7 Flash
Released August 2026
Predecessor Tier Hybrid Reasoner
56.2% 84.1%
$0.50 in / $2.50 out Cached In: $0.125
260 – 310 t/s TTFT: ~0.35s
1,000,000 Max Out: 32k
Ultra-Fast Context Search
Contextual Grounding

Pioneered low-latency hybrid thinking within the Gemini 3 family. Exceptionally strong in video ingestion and multi-document needle-in-a-haystack tasks.

High-Volume Production Utility

Widely adopted for real-time document search and automated ETL pipelines due to $0.50/1M input pricing and 1M context window.

Benchmark Indexes

Terminal-Bench: 74.0% | Intelligence Score: 44 | MMMU Multimodal: 72.8%.
Strategic Architectural Analysis

Coding & Complex Agents

Claude Opus 5.5 leads global software engineering benchmarks with 68.4% on SWE-bench Verified and top scores on Terminal-Bench. Its 40% cost reduction makes it viable for continuous automated CI/CD loops that were previously cost-prohibitive on Opus 5.

Computer Operator & Frontier Moat

OpenAI GPT-6 Astra sets the gold standard for full-stack autonomous computer interaction (GUI, browser navigation, shell manipulation, cybersecurity). However, its $10 / $50 per 1M token rate and volume surcharge make it a specialized weapon rather than a high-volume utility.

Throughput & Production Economics

Gemini 3.8 Flash dominates the cost-performance ratio. Yielding 300–350 tokens/sec at $0.75 / $3.75 per 1M tokens with native 1M context and real-time audio "Extended Thinking", it is the undisputed choice for user-facing applications requiring instantaneous response times.