Technical insights, tutorials, and updates from the EvoLink team. Learn how to optimize your AI costs and build better applications.
GPT-6 release dates: Astra on September 3, 2026; Sol and Luna on September 22, 2026. See the confirmed specs, the rollout by channel, and which GPT-6 models are callable on EvoLink.
A production decision guide to DeepSeek V4 Pro 0813 and Flash 0731, covering independent results, successful-task cost, coding-agent roles, routing, and rollout.
A dated fact check of the DeepSeek V4 pre-release story, updated for Flash 0731 and Pro 0813.
Claude Sonnet 5.5 is announced, but its release date is unconfirmed. Check the official evidence and decide whether your API project needs to wait.
OpenAI released GPT-6 Luna on September 22, 2026: its most efficient model for focused, high-volume tasks, at half the GPT-5.6 Luna list price with 1.05M context. Rollout by channel and what a batch team should verify before migrating.
GPT-6 Luna (Sept 22, 2026) vs GPT-5.6 Luna: half the OpenAI list price, same 1.05M context, newer cutoff, a new Chat Completions tool-calling rule, and OpenAI's reported factuality and deception gains. Field-level checks and cost per accepted record.
GPT-6 release dates: Astra on September 3, 2026; Sol and Luna on September 22, 2026. See the confirmed specs, the rollout by channel, and which GPT-6 models are callable on EvoLink.
OpenAI released GPT-6 Sol on September 22, 2026: its model for complex coding and agent workflows, at half the GPT-5.6 Sol list price with 1.05M context. Rollout by channel (API, Codex, EvoLink) and what a Sol team should do now.
GPT-6 Sol (Sept 22, 2026) vs GPT-5.6 Sol: half the OpenAI list price, same 1.05M context, newer cutoff, a new Chat Completions tool-calling rule, and OpenAI's reported DeepSWE and deception gains. A cost-per-accepted-task gate for migrating coding agents.
No Claude Opus 5.2 release date exists: as of Sept 18, 2026, Anthropic lists no such model, ID, or price. The routing rumor, the Foundry slug, next steps.
A point-release migration guide for teams already running Claude Opus 5: separate community routing reports from documented facts, and prepare the evaluation and rollback path before any Opus 5.2 route exists.
Claude Opus 5.5 was released on September 22, 2026. This release update covers the confirmed model facts, the price cut against Opus 5, the four breaking changes for existing integrations, and the next steps for EvoLink users.
An upgrade decision guide for teams running Claude Opus 5: what Anthropic changed in Opus 5.5, how to compare cost on the same basis, which requests break, and how to move traffic with a rollback path.
A dated Claude Opus 6 release watch separating official records from naming speculation and showing what developers can prepare without inventing an API product.
A production expectations framework using documented Claude Opus 5 behavior and real workflow questions to define the goals for a future Opus successor.
The confirmed Grok 4.7 release date, what xAI says changed, the first third-party benchmark results, the Fast variant, and how upstream availability differs from EvoLink availability.
A developer decision guide for Grok 4.7 versus Claude Opus 5: Artificial Analysis benchmark results, confirmed specifications and rates, where the cost gap is real and where it is not, which workloads favour which model, and how to run a fair evaluation.
An upgrade decision for existing Grok users: what changed in 4.7, xAI-reported and Artificial Analysis benchmarks in one view, the token-consumption difference behind the identical price, and a safe test-and-rollout method.
Google confirmed Gemini 4 pre-training in July 2026 but no release date, model ID or API. Separate facts from expectations and prepare your evaluation.
Gemini 4 has no API or published contract; Claude Fable 5.1 is documented and callable. How agent teams should baseline cache and recovery cost, then decide.
Gemini 4 is unreleased with no API; GPT-6 Astra is documented and callable. Decide what to run now and what Gemini 4 must prove before you switch.
Monitor DeepSeek API availability and plan fallback strategies for coding agent workloads. Covers status checking, common outage patterns, fallback model selection, and production continuity planning.
Which DeepSeek model IDs changed on the direct API and on EvoLink, how to test V4.1 Flash against your current model, and how to roll out and fall back.
A production decision guide to DeepSeek V4 Pro 0813 and Flash 0731, covering independent results, successful-task cost, coding-agent roles, routing, and rollout.
A production routing guide for choosing DeepSeek V4 Flash Vision Exp for image-dependent work or DeepSeek V4 Flash for text-only traffic.
A dated fact check of the DeepSeek V4 pre-release story, updated for Flash 0731 and Pro 0813.
DeepSeek V4 Pro has moved to the 0813 API build without changing its callable model name. Here is what changed for agents, Responses API, Codex, and production validation.
