27 pages

Model guides

Model ids, context windows, pricing and availability — check what is actually callable before you build on it.

GPT-6 Astra complete guide

Shipped 2026-09-03. Specs, pricing, four migration constraints, and three things OpenAI still has not published.

Updated 2026-09-30

Claude Sonnet 5.5 complete guide

Released 2026-09-28: 1M / 128K, $2 / $10, same price as Sonnet 5, plus default effort and the five breaking changes.

Updated 2026-09-29

Claude Opus 5.5 complete guide

Claude Opus 5.5 guide: pricing, caching, the comparison with Opus 5, calling it on QCode

Updated 2026-09-29

DeepSeek V4 Pro 0813 Guide

1.6T-class GA, agent benchmarks, peak/off-peak pricing, QCode catalog price

Updated 2026-09-21

DeepSeek V4.1 Flash released guide

Official 2026-09-10 release: new id, 1M/384K, peak/off-peak pricing, routing conflict, and which id to use on QCode.

Updated 2026-09-21

Claude Opus 5 Complete Guide — Same Price and Window as Opus 4.8 (Opus 5.5 newest since 2026-09-22) | QCode.cc

Claude Opus 5 is live at $5/$25 per million tokens with 1M context and a 512-token cache floor. As of 2026-09-29 Anthropic's newest Opus is Opus 5.5 ($4/$20), released 2026-09-22.

Updated 2026-09-21

Claude Opus 4.7 Complete Guide — Coding / Vision / Agentic Leap | QCode.cc

Claude Opus 4.7 complete guide: 64.3% on SWE-bench Pro, 3x vision resolution, new xhigh effort tier, native 1M context. Same price as 4.6 ($5/$25). Covers coding breakthroughs, vision upgrades, migration guide, and official benchmarks.

Updated 2026-09-21

Claude Mythos / Capybara Leak Guide: Anthropic's Possible Tier Above Opus

Claude Mythos (codename Capybara) leak guide: Anthropic may be testing a model tier above Opus. This page summarizes the public reporting around its coding, reasoning, cybersecurity claims, and possible rollout path.

Updated 2026-09-21

Claude compaction: the two beta paths

Headers, block placement, the 400 and the billing wording for both paths (official docs captured 2026-09-21)

Updated 2026-09-21

Qwen3.8-Max guide

2.4T MoE, $2/$6, open weights; on QCode (catalogue checked 2026-09-20)

Updated 2026-09-20

The Complete Guide to Qwen3.7-Plus

On sale alongside Max, real usage data verified

Updated 2026-09-20

Qwen3.8-Flash status tracker

Released 2026-08-26 and its public list price; qwen3.8-flash is in our catalog and usage table (checked 2026-09-18)

Updated 2026-09-19

GPT-5.6 Sol, Terra & Luna — Benchmarks, Pricing & Access (GA July 2026) | QCode.cc

GPT-5.6 in use: Terra by default, Luna $0.20/$1.20 for volume, Sol $4/$20 (current promo) when it is hard. As of 2026-08-30 prices unchanged. ChatGPT-login drops 5.4 starting 08-31.

Updated 2026-09-19

The Complete Guide to Claude Opus 4.6

SWE-bench score, pricing, and how to use it

Updated 2026-09-19

The Complete Guide to Claude Haiku 4.5

Pricing, positioning, and real call-volume data on QCode

Updated 2026-09-19

GPT-6 Astra quota consumption

Official credits table: Astra is exactly 2.5× GPT-5.6 Sol. Per-plan message allowances and three ways to burn less.

Updated 2026-09-09

Migrating to GPT-6 Astra

The four hard constraints in the official migration guide, and the one that gets mistaken for a bug.

Updated 2026-09-09

GLM-5.3-Flash complete guide

320B-A18B, 1M context, MIT weights; promo ends 9/9; real DeepSWE 63.4%

Updated 2026-09-09

Claude Fable 5.1 complete guide

Cache reads 75% cheaper, input and output unchanged, 1M context, and how to decide whether to switch from Fable 5.

Updated 2026-09-02

Claude Sonnet 5: Model ID, Context Window, Pricing & Review (2026)

Claude Sonnet 5 (claude-sonnet-5), released 2026-06-30: 1M context, 128K output, standard $2/$10 after the September increase was cancelled.

Updated 2026-08-30

GLM-5.2: 2026's Strongest Open-Weight Coding Model — Benchmarks and Access

GLM-5.2 is 2026's strongest open-weight coding model (MIT, 1M context). Verified benchmarks, pricing, supply and compliance caveats, and what you can use today.

Updated 2026-08-17

Is Claude Sonnet 5 Available? Release Date, Plans & Providers (2026)

Claude Sonnet 5 released June 30, 2026 and is available now: the default model on Free and Pro, plus Max/Team/Enterprise and Claude Code. Full plan and provider availability matrix (Claude API, Amazon Bedrock, Vertex AI, Microsoft Foundry, GitHub Copilot, OpenRouter) with model ids.

Updated 2026-08-17

Claude Sonnet 5 API: Setup Guide, Model ID & Effort Parameter

How to use the Claude Sonnet 5 API: model id claude-sonnet-5, curl and Python SDK examples, adaptive thinking, the effort parameter, re-tuning max_tokens for the new tokenizer, and stable access through QCode.

Updated 2026-08-17

Claude Opus 4.8 Complete Guide — Sharper Agentic Judgement, 4x Fewer Code Flaws | QCode.cc

Claude Opus 4.8 complete guide: sharper agentic judgement, 4x fewer code flaws than 4.7, Online-Mind2Web 84%, native 1M context. Same price as 4.7 ($5/$25). Covers agentic coding gains, capability upgrades, migration guide, and official benchmarks.

Updated 2026-08-17

Claude Fable 5 Complete Guide — A New Flagship Tier Above Opus | QCode.cc

Claude Fable 5 guide: Anthropic's most capable tier above Opus — 1M context, 128K output, $10/$50. Available on the API and live on QCode; tiered by plan on Anthropic subscriptions since 2026-07-19.

Updated 2026-08-17

Is Claude Fable 5 Available? API Yes, Subscriptions Tiered by Plan (July 2026) | QCode.cc

Fable 5 is available on the API throughout. On Anthropic's own subscriptions it has been tiered by plan since July 19, 2026: standard on Max and Team/Enterprise premium seats, pay-as-you-go usage credits on Pro and standard Team seats.

Updated 2026-08-17

Kimi K3 guide

kimi-k3: 2.8T, 1M, $3/$0.30/$15, thinking will not turn off

Updated 2026-08-16