PRICING SNAPSHOT 2026-08-14CLAUDE FABLE 5 $10.00/$50.00 MTOKCLAUDE OPUS 5 $5.00/$25.00 MTOKCLAUDE OPUS 4.8 $5.00/$25.00 MTOKCLAUDE SONNET 5 $2.00/$10.00 MTOKCLAUDE HAIKU 4.5 $1.00/$5.00 MTOKGPT-5.6 $5.00/$30.00 MTOKGPT-5.5 $5.00/$30.00 MTOKGPT-5.4 $2.50/$15.00 MTOKGPT-5.6 TERRA $2.00/$12.00 MTOKGPT-5 MINI $0.25/$2.00 MTOKGPT-5.6 LUNA $0.20/$1.20 MTOKGEMINI 3.1 PRO $2.00/$12.00 MTOKGEMINI 3.6 FLASH $1.50/$7.50 MTOKGEMINI 3.5 FLASH $1.50/$9.00 MTOKGEMINI OMNI FLASH $1.50/$9.00 MTOKGEMINI 3.7 FLASH $0.75/$3.75 MTOKGEMINI 3 FLASH $0.50/$3.00 MTOKGEMINI 3.5 FLASH LITE $0.30/$2.50 MTOKDEEPSEEK V4 PRO $0.43/$0.87 MTOKDEEPSEEK V4 FLASH $0.14/$0.28 MTOK
TOKENBURN_INDEX

THE TICKER · HEAD-TO-HEAD · CHECKED DAILY · LAST CHANGE 2026-08-14

CLAUDE FABLE 5 VS GPT-5.6 LUNA

Anthropic vs OpenAI, in USD per million tokens, cross-checked daily against the public pricing dataset. Same jobs, both meters running.

THE VERDICT
42.1x

Claude Fable 5 costs 42.1x more than GPT-5.6 Luna for the same job — a 1,000-token prompt with a 3,000-token reply runs $0.16 vs $0.0038. At 1,000 runs a day, that gap is $4,686.00 a month for identical traffic.

SIDE BY SIDE

Claude Fable 5 →GPT-5.6 Luna →
VendorAnthropicOpenAI
Input / MTok$10.00$0.200
Output / MTok$50.00$1.20
Output multiple5.0x6.0x
1K prompt + 3K reply$0.16$0.0038

SAME JOB, BOTH BILLS

ScenarioClaude Fable 5GPT-5.6 LunaGap
A typical prompt$0.05$0.001142.1x
A 20-turn conversation$0.24$0.005642.9x
Summarizing a 10-page document$0.24$0.005444.1x
One agent run$0.62$0.0141.9x
A code review request$0.20$0.004842.2x

Output sizes use the same editorial ratios as the Burn Calculator. Estimates, not invoices — and price is not a benchmark: the cheaper model is only a bargain if it does the job.

SETTLE IT WITH YOUR OWN PROMPT

Paste a real prompt into the Burn Calculator and see what it costs on Claude Fable 5, GPT-5.6 Luna and the other 18 models on the board — plus how much of it is waste either way.