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Model releases, pricing breakdowns, and practical guides for developers.

GuideOctober 26, 2026
OpenAI
Latest·7 min read

OpenAI's 12-hour prompt cache costs twice as much to write as the 30-minute default. It…

OpenAI added a 12-hour cache lifetime on October 20, with writes billed at 2.5x input. We work out where it beats the 30-minute default and Claude's 1-hour cache, why a user who comes back every 90…

IndustryOctober 25, 2026
Industry

Haiku 5.5 cut 90% in October, but only if you change a model ID. Mistral Large 4's sale…

We list every LLM API price change in October 2026 and price one 500M-in, 100M-out month before and after each, then lay out the dated…

8 min read
Model ReleaseOctober 24, 2026
Kimi

Kimi K3.1 Pro joins Sonnet 5.5, GPT-6.1 Sol and Gemini 4 Argon at $2 in and $10 out. Its…

Moonshot cut a third off K3's price for K3.1 Pro. We work out where its cheaper cache writes and dearer cache hits cross over against Sonnet…

7 min read
Model ReleaseOctober 23, 2026
Model Release

Recursive Flint is free, and nobody sells it by the token. A month of agent output on a…

Recursive's 40B-A2.5B open coder shipped October 21 with a free OpenRouter tier and no paid host. We price a developer's agent month on…

6 min read
Model ReleaseOctober 22, 2026
MiniMax

MiniMax M3.1 Flash charges DeepSeek Flash's off-peak $0.15 and $0.60 at every hour…

MiniMax's new Flash model matches DeepSeek V4.1 Flash on input and output but charges 5x on cache hits and never doubles at peak. We price a…

6 min read
Model ReleaseOctober 21, 2026
Grok

Grok Voice 3.0 kept 2.0's $0.08 a minute and took first place on Artificial Analysis. It…

xAI repointed grok-voice-latest on October 14 and, unlike in August, the price didn't move. We price 40,000 minutes a month on six voice…

6 min read
IndustryOctober 20, 2026
Gemini

Gemini 4 Argon is out of preview, and its $2 price now has an end date: November 30. Until…

Google made Gemini 4 Argon generally available on October 13 and printed the date its price doubles. We price a 400K-token document job and…

6 min read
IndustryOctober 19, 2026
Industry

The X Subscription folds Grok, Cursor Pro and X Premium+ into $30. If you code in Cursor…

xAI's October 12 bundle sells Grok, Cursor and X from $8 to $200 with a weekly pool that covers only Grok and Composer. We price a Cursor…

6 min read
ComparisonOctober 18, 2026
DeepSeek

DeepSeek prices web search at $0.75 per 1,000 calls, 13.3x under OpenAI and Anthropic. On…

DeepSeek's October 17 release opened standalone Search and Fetch APIs at $0.75 per 1,000 calls and kept V4.1 Flash's token price on a bigger…

7 min read
Model ReleaseOctober 17, 2026
Model Release

Muse Spark Open pricing: five hosts, one price, and it is closed Muse Spark 1.3's card for…

Meta released Muse Spark Open's 816B weights on October 15 and kept it off its own API. Together, Fireworks, Baseten, Modal and Nebius all…

7 min read
IndustryOctober 16, 2026
GPT

GPT-4o and GPT-4.1 retire January 14, GPT-4.1 nano in a week: what moving to GPT-6 Luna…

OpenAI's October 14 notice shuts down five GPT-4o and GPT-4.1 snapshots on January 14, 2027 and points them all at GPT-6 Luna. A $700 GPT-4o…

7 min read
ComparisonOctober 15, 2026
GPT

GPT-6.1 Sol Ultrafast pricing: $12 in, $60 out, and more per token than GPT-6 Astra

OpenAI's Ultrafast tier for GPT-6.1 Sol went live on October 8 at exactly 6x Standard on every line, cache reads and the long-context step…

6 min read
ComparisonOctober 14, 2026
OpenAI

OpenAI priced its Decisions API at $0.10 in and nothing out, and Microsoft priced…

GPT-6 Luna Decisions went into beta on October 6 at $0.10 per million input tokens with no output or cache charges. Microsoft-Decision-1…

6 min read
Model ReleaseOctober 13, 2026
Meta

Meta priced Muse Wonder at Claude Opus 5.5's $4 and $20 to the cent. Opus on high effort…

Muse Wonder bills $4 input, $0.20 cached and $20 output on the Meta Model API, the same three numbers as Opus 5.5, with no batch tier and no…

6 min read
Model ReleaseOctober 12, 2026
Model Release

Nano Banana 2.1 halves what Google charges for a 1K or 2K image and triples what it…

Google's new image model bills $0.0336 at 1K, $0.0504 at 2K and $0.113 at 4K, against Nano Banana 2's $0.067, $0.101 and $0.151. Input went…

6 min read
IndustryOctober 11, 2026
Gemini

Gemini 2.5 doesn't shut down on October 16. Vertex retires it on October 20, the Gemini…

Google's two consoles now disagree about the same three models. Vertex retires 2.5 Pro, Flash and Flash-Lite on October 20; the Gemini API…

6 min read
Model ReleaseOctober 10, 2026
Mistral

Mistral Large 4 launched at half price and Mistral hasn't said when the sale ends. At…

Mistral's docs show Large 4 at $0.68 input and $2.09 output with the $1.36/$4.18 list price struck through and no end date. We price a…

7 min read
Model ReleaseOctober 9, 2026
Claude

Claude Haiku 5.5 bills GPT-6 Luna's $0.10 and $0.50 to the cent. One token past 100,000…

Anthropic cut Haiku 90% on October 7 and landed exactly on Luna's rate card, cache read included. Below 100K tokens the two bill…

7 min read
ComparisonOctober 5, 2026
Comparison

Eleven decision models launched in 17 days and none of them bill for output. On a…

Jev, Clef, d1, Perplexity's Decider and seven more return probabilities instead of text and charge input only, from $0.04 to $0.24 per…

7 min read
ComparisonOctober 4, 2026
Grok

Grok 4.7 and MiMo-V2.6-Pro tie at 46 on Artificial Analysis. Grok's output price is 6.9x…

Grok 4.7 kept Grok 4.6's $2/$6 card. Xiaomi's open-weight MiMo-V2.6-Pro lists at $0.435/$0.87 with cache hits at $0.0036. Both score 46 on…

6 min read
ComparisonOctober 3, 2026
Qwen

Alibaba charges double for Prime on Qwen3.8 Max and GLM-5.3. On Qwen it buys 1.6x to 1.9x…

Alibaba's new Prime mode sells Qwen3.8 Max at $4/$12 and GLM-5.3 at $2.80/$8.80, twice the standard cards, for a promised 1.5x to 2x…

6 min read
ComparisonOctober 2, 2026
GPT

GPT-6 Luna's tokens cost a twentieth of GPT-6.1 Sol's. On Artificial Analysis a finished…

GPT-6 Luna lists at $0.10 in, $0.01 cached and $0.50 out, half of GPT-5.6 Luna and 1/20th of GPT-6.1 Sol. Per task the picture changes: Luna…

6 min read
Model ReleaseOctober 1, 2026
Gemini

Gemini 4 Argon launches on GPT-6.1 Sol's rate card and is scheduled to move to Claude Opus…

Google priced Gemini 4 Argon at $2 in, $0.10 cached and $10 out for an introductory period with no end date, then $4, $0.20 and $20. The…

7 min read
Model ReleaseSeptember 30, 2026
GPT

GPT-6.1 Sol changed one number on GPT-6 Sol's rate card, cached input, from $0.20 to…

OpenAI shipped GPT-6.1 Sol at DevDay on September 29 at $2 in and $10 out, with cached input halved to $0.10 on every tier. On agent loops…

7 min read
Model ReleaseSeptember 29, 2026
Claude

Claude Sonnet 5.5 kept Sonnet 5's $2 and $10. Of its five effort settings, one is ever the…

Sonnet 5.5 shipped September 28 on Sonnet 5's card to the cent: $2 in, $0.20 cache hit, $10 out, which is also GPT-6 Sol's. Anthropic says…

9 min read