#tokens

A dark comparison-matrix style cover reading Why Copilot Agent Mode Burns Through Credits So Fast, listing five row summaries: credits spend per tool-call step not per chat message, each step resends history plus every tool's full JSON schema, a six-step fix example costs about 12 times one chat question on the same model, GitHub thread 197557 showing 200 credits gone in 10 to 20 requests, and the reported 1,000x figure tracing to no GitHub-linked primary source

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Why Copilot Agent Mode Burns Through Credits So Fast

GitHub Copilot's Agent Mode spends AI credits per tool-calling step, not per message. Here's the actual mechanism, with real token math and a sourced case.

Aug 19, 2026Read more →

A dark comparison-matrix style cover reading How GitHub Copilot AI Credits Are Actually Priced, listing five row summaries: 1 AI credit equals $0.01 USD converted from real token pricing, input and output tokens priced separately per model, cached input billed at roughly 10 percent of the fresh input rate, cache writes priced at 1.25x the input rate on GPT-5.6 and Anthropic models, and a 100K/20K token prompt costing about 15 times more credits on Claude Opus 4.8 than GPT-5 mini

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How GitHub Copilot AI Credits Are Actually Priced

GitHub Copilot's AI Credits convert real per-token, per-model pricing into dollars at a fixed 1 credit = $0.01 rate. Here's exactly how the math works.

Aug 19, 2026Read more →

A dark comparison-matrix style cover reading The 2026 LLM Token and Pricing Reset, a 10-part series on GPT-5.6, Claude, and Gemini, listing four row summaries: GPT-5.6's bigger window and pricier caching, Claude Opus 4.8's unchanged price but heavier tokenizer, Gemini 3.6 Flash's fewer tokens and new price, and legacy GPT-4/o1/o4-mini shutting down October 23 2026

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The 2026 LLM Token & Pricing Reset: Full Guide

GPT-5.6, Claude Opus 4.8, and Gemini 3.6 all changed token limits and pricing in 2026. Full breakdown of what changed, and how to check your own numbers.

Aug 12, 2026Read more →

A dark comparison-matrix style cover reading Claude Opus 4.8, Same Price, Cheaper Fast Mode, listing three row summaries: base price unchanged at 5 and 25 dollars per million tokens, Fast Mode cut from 30 and 150 to 10 and 50 dollars per million tokens, and the tokenizer inherited unchanged from Opus 4.7

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Claude Opus 4.8: Same Price, Cheaper Fast Mode

Claude Opus 4.8 kept base pricing at $5/$25 per MTok but cut Fast Mode from $30/$150 to $10/$50. What that means for latency-sensitive calls.

Aug 12, 2026Read more →

A dark comparison-matrix style cover reading Claude's New Tokenizer Counts Up to 35% More, listing three row summaries: tokens for identical text up to 35% more reported, Anthropic's own GA changelog does not mention this change, and effective cost per prompt is higher if the claim holds even at an unchanged price per token

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Claude's New Tokenizer Counts Up to 35% More

Claude Opus 4.7's tokenizer reportedly counts up to 35% more tokens for the same text. Anthropic's own GA changelog doesn't confirm it.

Aug 12, 2026Read more →

A dark comparison-matrix style cover reading Gemini 3.6 Flash Cuts Output Tokens 17%, Price Too, listing four row summaries: 17% fewer output tokens for comparable tasks, priced at 0.75 and 3.75 dollars per million input and output tokens through 2026, rising to 1.50 and 7.50 dollars in 2027, and a 1 million token context window

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Gemini 3.6 Flash Cuts Output Tokens 17%, Price Too

Gemini 3.6 Flash uses 17% fewer output tokens than 3.5 Flash and costs $0.75/$3.75 per million tokens through 2026, rising to $1.50/$7.50 in 2027.

Aug 12, 2026Read more →

A terminal window showing OpenAI's own deprecations page: generally available models get at least 6 months notice before retirement, and gpt-4, gpt-4-0613, o1, o1-pro, and o4-mini all shut down 2026-10-23, replaced by gpt-5.6-sol and gpt-5.6-terra

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gpt-4, o1, and o4-mini Shut Down October 23, 2026

OpenAI's gpt-4, o1, and o4-mini model IDs stop responding on October 23, 2026. The exact deprecation notice, and how to migrate to GPT-5.6.

Aug 12, 2026Read more →

A dark comparison-matrix style cover reading GPT-5.6's Context Window, 922K input and 128K output tokens on o200k_base, listing three row summaries: old context window 128K to 200K tokens, new context window about 1.05M tokens, and this site's token counter not yet supporting o200k_base

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GPT-5.6's Context Window: 922K In, 128K Out Tokens

GPT-5.6 shipped a ~1.05M-token context window (922K input, 128K output) on the o200k_base encoding. What changes for existing integrations.

Aug 12, 2026Read more →

A dark comparison-matrix style cover reading GPT-5.6 Ends Free Prompt-Cache Writes, a 1.25x premium with a 30-minute minimum TTL, listing three row summaries: before automatic free caching, after explicit breakpoints with a 1.25x write cost, and cache reads staying at roughly 90% off unchanged

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GPT-5.6 Ends Free Prompt-Cache Writes (1.25x Premium)

GPT-5.6 replaced OpenAI's free implicit prompt caching with explicit breakpoints and a 1.25x write premium. What changes in your integration.

Aug 12, 2026Read more →

A dark comparison-matrix style cover reading OpenAI Extends Prompt Cache Retention to 24 Hours, listing three row summaries: before a few-minute default cache lifetime, after up to 24 hours, and short-TTL workarounds now likely unnecessary

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OpenAI Extends Prompt Cache Retention to 24 Hours

OpenAI extended prompt cache retention from a few minutes to up to 24 hours. What that changes for agents and pipelines with repeated calls.

Aug 12, 2026Read more →

A dark comparison-matrix style cover reading OpenAI vs Claude, Prompt Caching Cost Math in 2026, listing three row summaries: cache write cost a 1.25x premium for both providers with Anthropic rising to 2x for its 1-hour tier, cache read discount roughly 90% off for both, and cache duration a fixed 30 minutes for OpenAI versus a choice of 5 minutes or 1 hour for Anthropic

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OpenAI vs Claude: Prompt Caching Cost Math in 2026

OpenAI and Anthropic both charge a 1.25x premium on cache writes; Anthropic's rises to 2x for its 1-hour tier. How the real costs compare.

Aug 12, 2026Read more →

A dark comparison-matrix style cover reading Same Prompt, Different Bill, GPT-5.6 vs Claude Opus 4.8 vs Gemini 3.6, listing three row summaries: GPT-5.6's 922K-token window and pricier caching, Claude Opus 4.8's unchanged price but heavier tokenizer, and Gemini 3.6 Flash's 17% output-token cut and new price

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Same Prompt, Different Bill: GPT-5.6 vs Claude vs Gemini

GPT-5.6, Claude Opus 4.8, and Gemini 3.6 all changed token counts and per-token pricing in 2026. See what shifted, and check your own prompt free.

Aug 11, 2026Read more →