OpenAI GPT-6.1 Sol vs Anthropic: Claude Opus 4.6: Live Promos, Pricing, Hidden Fees & Latency
Verified 2026 FinOps benchmark comparing OpenAI GPT-6.1 Sol (gpt-6.1-sol) vs Anthropic: Claude Opus 4.6 (anthropic/claude-opus-4.6). Simulate cache read multipliers, context cliffs, MAU bills, and P90 latency.
OpenAI & Microsoft Founders Hub ($2,500–$150,000 Credits) + 50% Batch API Discount
OpenAI GPT-6.1 Sol ($2/$10 base rate) qualifies for immediate 75% automatic prefix caching ($0.50/1M), 50% off 24-hour Batch API completions ($1/$5), and up to $150,000 in OpenAI/Azure Foundry credits via Microsoft for Startups Founders Hub (no VC funding required for initial tiers).
Anthropic: Claude Opus 4.6 (anthropic/claude-opus-4.6) — $25,000 Startup Credits & 50% Cache Promo
Anthropic's Q4 2026 developer promotion combines $25,000 in Claude API credits for early-stage builders with a permanent 20% base price reduction on Opus 5.5 ($4/$20), 0.05x ($0.20/1M) prompt cache reads, and 50% off Batch API processing ($2/$10 with 300K max output).
In Etuki October 2026 FinOps telemetry comparing OpenAI GPT-6.1 Sol (API ID: gpt-6.1-sol) vs Anthropic: Claude Opus 4.6 (API ID: anthropic/claude-opus-4.6), OpenAI GPT-6.1 Sol offers lower standard input pricing at $2/1M tokens ($10/1M output), while OpenAI GPT-6.1 Sol leads in cached prefix economics at $0.5/1M tokens (75% discount). OpenAI GPT-6.1 Sol achieves a 10ms faster P90 time-to-first-token latency (270ms vs 280ms).
Context Cliff Alert: Prompts exceeding 272K tokens double in price from $2/$10 to $4/$15 per 1M tokens.
Auto-discovered via live global telemetry registry.
| Specification / FinOps Dimension | OpenAI GPT-6.1 Sol | Anthropic: Claude Opus 4.6 | Verified Advantage |
|---|---|---|---|
| Official Vendor API ID | gpt-6.1-sol | anthropic/claude-opus-4.6 | Pinned Snapshot IDs |
| Standard Input / Output (per 1M) | $2 / $10 | $5 / $25 | OpenAI GPT-6.1 Sol |
| Cache Read Price (per 1M) | $0.5/1M (75% Off) | $2.5/1M (50% Off) | OpenAI GPT-6.1 Sol |
| Context Window / Max Output | 1000K In / 128K Out | 977K In / 125K Out | OpenAI GPT-6.1 Sol |
| P90 First-Token / Edge Latency | 270ms | 280ms | OpenAI GPT-6.1 Sol (-10ms) |
OpenAI October 2026 flagship reasoning & coding model delivering near-Astra intelligence at 1/5th the cost.
Opus 4.6 is Anthropic’s strongest model for coding and long-running professional tasks. It is built for agents that operate across entire workflows rather than single prompts, maki
Real-Time Stack Cost & Hidden-Fee Simulator (MAU / Token / Egress / GMV)
Calibrated with Reddit r/FinOps & r/devops telemetry: Includes Context Caching, Bandwidth Egress, and MoR Tax
🛰️Switch from OpenAI GPT-6.1 Sol to Anthropic: Claude Opus 4.6
Opus 4.6 is Anthropic’s strongest model for coding and long-running professional tasks. It is built for agents that operate across entire workflows rather than single prompts, maki Verified P90 latency of 280ms.