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AI Choice Engine

Source receipts

See what each claim is based on

The catalog separates checked comparisons from release signals. These dated or explicitly qualified source links are the receipts behind launch notes, open-weight coverage, and the watchlist.

This page is a receipt index for editorial and release claims, not a per-field audit of every model, hardware, or price value. Those catalog records show their own check dates and should be confirmed with the linked provider or retailer before purchase.

Launch guides

Release-date receipts for current model and coding-assistant coverage, with source type shown where classified.

  • GPT-6.1 Sol: the newer Sol release at the same base price

    Released September 29, 2026 · OpenAI · source type not classified

    OpenAI model documentation

  • Claude Sonnet 5.5: everyday coding with breaking API changes

    Released September 28, 2026 · Anthropic · source type not classified

    Anthropic Sonnet 5.5 announcement

  • Gemini 4 Argon: restricted preview, broader API access pending

    Released September 30, 2026 · Google · source type not classified

    Google Argon announcement

  • Claude Opus 5.5: Anthropic's recommended starting point for many workloads at a lower price than Opus 5

    Released September 22, 2026 · Anthropic · source type not classified

    Anthropic — Claude Opus 5.5

  • GPT-6 Sol and Luna: lower API rates than the GPT-5.6 tiers

    Released September 22, 2026 · OpenAI · source type not classified

    OpenAI — Introducing GPT-6 Sol and Luna

  • Grok 4.7: a larger base model at Grok 4.6's price

    Released September 21, 2026 · xAI · source type not classified

    xAI — Grok 4.7

  • DeepSeek V4.1-Flash: the hosted successor to retired V4-Flash

    Released September 10, 2026 · DeepSeek · source type not classified

    DeepSeek — V4.1-Flash release notes

  • GPT-6 Astra: OpenAI's computer-use flagship arrives gated

    Released September 3, 2026 · OpenAI · source type not classified

    OpenAI — Introducing GPT-6 Astra

  • Claude Fable 5.1 and Mythos 5.1: the September refresh

    Released September 1, 2026 · Anthropic · source type not classified

    Anthropic — Claude Fable and Mythos 5.1

  • Gemini 3.8 Flash: September 2026 launch and dated coding results

    Released September 2, 2026 · Google · source type not classified

    Google — Gemini 3.8 Flash and 3.8 Flash Cyber

  • Muse Spark 1.3: Meta's self-reported DeepSWE result

    Released September 2, 2026 · Meta · source type not classified

    Meta — Introducing Muse Spark 1.3

  • GPT-5.6 Sol, Terra, and Luna: what the three-tier release changes

    Released July 9, 2026 · OpenAI · source type not classified

    OpenAI model release notes

  • Claude Opus 5: July 2026 launch, now superseded by Opus 5.5

    Released July 24, 2026 · Anthropic · source type not classified

    Anthropic release notes

  • Gemini 3.6 Flash: the efficient multimodal workhorse

    Released July 21, 2026 · Google · source type not classified

    Google model announcement

  • Gemini 3.7 Flash: the August 2026 coding and agent release

    Released August 13, 2026 · Google · source type not classified

    Google Gemini 3.7 Flash announcement

  • Kimi K3: open weights, huge context, and a datacentre-sized trade-off

    Released July 16, 2026 · Moonshot AI · source type not classified

    Kimi K3 announcement

  • DeepSeek V4-Flash-0731: why the post-training update matters

    Released July 31, 2026 · DeepSeek · official

    DeepSeek API version documentation

  • Qwen3.8-Max: hosted API versus the published open-weight checkpoint

    Released August 3, 2026 · Qwen · official

    Alibaba Cloud official release

  • Qwen3.8-27B: Apache 2.0 dense VLM for local work

    Release date not verified · Qwen · source type not classified

    Qwen3.8-27B on Hugging Face

  • Muse Spark 1.2: Meta's August 2026 coding-model update

    Released August 5, 2026 · Meta · source type not classified

    Meta AI Research announcement

  • Grok 4.6: xAI’s August 2026 API release

    Released August 12, 2026 · xAI · source type not classified

    xAI Grok 4.6 announcement

  • DeepSeek V4-Pro GA: the 0813 checkpoint on the same API id

    Released August 13, 2026 · DeepSeek · source type not classified

    DeepSeek API updates

  • Muse Glimmer 30B: Apache-2.0 local agent weights

    Released August 10, 2026 · Meta · source type not classified

    Hugging Face Muse Glimmer blog

  • Muse Code: Meta's multi-agent terminal agent

    Released August 5, 2026 · Meta · source type not classified

    Meta Muse Code product page

  • Gemini 3.1 Pro Preview: long context and multimodal input

    Released February 19, 2026 · Google · source type not classified

    Google AI model documentation

  • Grok 4.5: xAI's July 2026 API model

    Released July 8, 2026 · xAI · source type not classified

    xAI Grok documentation

  • Claude Sonnet 5: historical mid-tier launch snapshot

    Released June 30, 2026 · Anthropic · source type not classified

    Anthropic release notes

  • Claude Haiku 4.5: volume tier with a smaller context envelope

    Released October 15, 2025 · Anthropic · source type not classified

    Anthropic model overview

  • GLM 5.2: open weights, text-only, unpublished size

    Released March 15, 2026 · Z.ai · source type not classified

    Z.ai GLM documentation

  • GLM 5.3: Coding Plan default and separately billed API

    Released August 14, 2026 · Z.ai · source type not classified

    Z.ai GLM-5.3 announcement

  • GLM 5.3 Flash: Z.ai's lower-cost multimodal model

    Released August 26, 2026 · Z.ai · source type not classified

    Z.ai GLM-5.3-Flash announcement

  • Qwen3.8-Flash-Next: an early look at the Qwen 4 architecture

    Release date not verified · Qwen · source type not classified

    Qwen3.8-Flash-Next model card

  • Kimi K2.6: historical open-weight volume model

    Released April 21, 2026 · Moonshot AI · source type not classified

    Moonshot AI Kimi platform

Open-weight coverage

Source links for licences, checkpoints, and deployment notes; provider and secondary receipts are not interchangeable.

Release watchlist

Interesting release signals that are not yet included as verified catalog comparisons.

  • Amazon Nova Premier / Canvas / Reel (Bedrock)

    Amazon · Canvas and Reel reached EOL on 2026-09-30; Nova Premier is Legacy with a 2026-10-14 EOL date

    AWS Bedrock regional model availability

  • Cohere Command R / Command R+ (Bedrock)

    Cohere · Both Command R and Command R+ reached Bedrock EOL on 2026-08-19

    AWS Bedrock model lifecycle

  • EU AI Act Article 50 transparency

    EU / UK buyers · Article 50 transparency applies from 2026-08-02; specified transition/new-prohibition date is 2026-12-02; Annex III high-risk rules start 2027-12-02 and Annex I rules 2028-08-02

    European Commission AI Act implementation timeline

  • Relay.app shutdown

    Relay · Relay.app shut down in September 2026; its current notice says accounts, workflows, and run history were permanently deleted

    Relay.app shutdown notice

  • Gemini 2.5 Pro / Flash retirement

    Google · Gemini API: 2.5 Pro/Flash are listed as not deprecated with no shutdown date; Vertex AI: both have a 2026-10-20 retirement date

    Google Gemini API deprecations

  • Claude Haiku 5.5

    Anthropic · Announced as upcoming on 2026-09-22; not listed in Anthropic's public model overview retrieved 2026-10-01

    Anthropic models overview

  • xAI Imagine Image 2.0

    xAI · Current API docs list grok-imagine-image-2.0; the older image-quality alias has a scheduled November 2, 2026 redirect

    xAI exact Imagine Image 2.0 model and native-unit tariff

  • v0 (Vercel) plan ladder

    Vercel · Free; Premium $20/month (sunsetting and closed to new users); Plus $30/user/month; Business $100/user/month

    v0 pricing docs

  • Gemini 3.5 Flash Cyber

    Google · Announced 2026-07-21 for a limited-access CodeMender pilot for governments and trusted partners; no general Gemini API release is listed

    Google model announcement

  • OpenAI Daybreak / GPT-5.6-Cyber

    OpenAI · GPT-5.6 Cyber is a live model-documentation entry for approved defenders; separate approval/provisioning and a Daybreak application are required

    OpenAI Daybreak

Benchmark sources

Original leaderboards, independent evaluation pages, and the dated local snapshots rendered in the benchmark library.

Looking for the latest dated list? Browse new model releases.