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Claude Fable 5.2 vs Gemini 4 Argon

Official Anthropic and Google API prices and LMArena scores, checked 2026-11-09. Add up to 2 more models to compare 4.

Claude Fable 5.2 and Mythos 5.2 launched Nov 9, 2026. Read Claude Fable 5.2 and Mythos 5.2: prices, limits and what changed.

Verdict

Gemini 4 Argon costs less; quality is n/a.

Gemini 4 Argon is 4x cheaper on input and output. LMArena has no task both models are ranked on, so quality is n/a here. A medium month (20M input + 5M output tokens) costs $360 on Claude Fable 5.2 and $90 on Gemini 4 Argon.

  • Pick Claude Fable 5.2 if nothing here clearly favors it (no lower bill, bigger context, cheaper cache or LMArena lead of 3+ points over Gemini 4 Argon).
  • Pick Gemini 4 Argon if you want the lower bill ($90 vs $360 for a medium month) or you reuse long prompts (cached input $0.10 vs $0.20).
Sample month

Medium: 20M input + 5M output tokens a month at list price (short-context rate, no caching or batch discounts).

Claude Fable 5.2vsGemini 4 Argon
Price per 1M tokens
Input$8$2 (better)
Cached input$0.20$0.10 (better)
Output$40$10 (better)
Sample month, medium$360$90 (better)
Context
Context window1M1M
Quality (LMArena relative score, out of 100)
Codingn/a51
Chatn/a100
Creative writingn/a100
Roleplay and charactersn/a100
Reasoning and mathn/a100
Visionn/an/a
Long documentsn/an/a
Cheap bulk and agentsn/a70

Marked side is better: lower for prices, higher for context and scores. Bars are scaled to the larger of the two.

Spec
Claude Fable 5.2
Gemini 4 Argon
Price per 1M tokens
Input$8$2
Cached input$0.20$0.10
Output$40$10
Blend 3:1$16$4
Sample month, medium$360$90
Context
Context window1M tokens1M tokens
Quality (LMArena, out of 100)
CodingNot ranked51/100 #8 of 50
ChatNot ranked100/100 #1 of 51
Creative writingNot ranked100/100 #1 of 51
Roleplay and charactersNot ranked100/100 #1 of 51
Reasoning and mathNot ranked100/100 #1 of 51
VisionNot rankedNot ranked
Long documentsNot rankedNot ranked
Cheap bulk and agentsNot ranked70/100 #7 of 37
Details
ProviderAnthropicGoogle
API model idclaude-fable-5.2gemini-4-argon
NotesReleased Nov 9, 2026. 128K max output. 5-minute cache writes $10. Fast mode $16 in, $80 out.Launch price through Nov 30, 2026. From Dec 1: $4 in, $20 out.
Sources
Last checked2026-11-092026-11-09
Official pricingAnthropic pricingGoogle pricing

API prices in USD per 1M tokens from each provider's official pricing page. Blend 3:1 = (3 x input + output) / 4. Sample month = stated input and output tokens at the list price, no caching. Quality: relative score out of 100 on each LMArena leaderboard (100 = top model we price on that board, n/a = not ranked there), data licensed CC BY 4.0. See how we pick.

Where each one ranks on LMArena

Relative score out of 100 on each leaderboard (100 = the top model we price there), with the rank among the models from our API price table that appear on that board.

  • Coding (Code Arena): Claude Fable 5.2 not ranked, Gemini 4 Argon #8 of 50 (51/100)
  • Chat (Text Arena): Claude Fable 5.2 not ranked, Gemini 4 Argon #1 of 51 (100/100)
  • Creative writing (Text Arena creative writing): Claude Fable 5.2 not ranked, Gemini 4 Argon #1 of 51 (100/100)
  • Roleplay and characters (Text Arena multi-turn): Claude Fable 5.2 not ranked, Gemini 4 Argon #1 of 51 (100/100)
  • Reasoning and math (Text Arena math): Claude Fable 5.2 not ranked, Gemini 4 Argon #1 of 51 (100/100)
  • Vision (Vision Arena): Claude Fable 5.2 not ranked, Gemini 4 Argon not ranked
  • Long documents (Document Arena): Claude Fable 5.2 not ranked, Gemini 4 Argon not ranked
  • Cheap bulk and agents (Agent Arena): Claude Fable 5.2 not ranked, Gemini 4 Argon #7 of 37 (70/100)

Pricing details from the official pages

Claude Fable 5.2 lists $8 input, $40 output, $0.20 cached input per 1M tokens on Anthropic pricing. Gemini 4 Argon lists $2 input, $10 output, $0.10 cached input per 1M tokens on Google pricing. Prices checked 2026-11-09.

  • Claude Fable 5.2: Released Nov 9, 2026. 128K max output. 5-minute cache writes $10. Fast mode $16 in, $80 out.
  • Gemini 4 Argon: Launch price through Nov 30, 2026. From Dec 1: $4 in, $20 out.

Sample monthly bill at list price, no caching: Light (2M input + 0.5M output tokens): $36 vs $9. Medium (20M input + 5M output tokens): $360 vs $90. Heavy (200M input + 50M output tokens): $3,600 vs $900.

FAQ

Is Claude Fable 5.2 cheaper than Gemini 4 Argon?

Claude Fable 5.2 costs $8 input and $40 output per 1M tokens; Gemini 4 Argon costs $2 and $10. For a medium month (20M input + 5M output tokens) Gemini 4 Argon is cheaper: $90 vs $360.

Which is better for coding, Claude Fable 5.2 or Gemini 4 Argon?

Code Arena score: Claude Fable 5.2 n/a (not ranked), Gemini 4 Argon 51/100. We do not guess missing scores.

Which has the bigger context window?

Claude Fable 5.2: 1M tokens. Gemini 4 Argon: 1M tokens. Both list the same window.

How much do Claude Fable 5.2 and Gemini 4 Argon cost per month?

Light (2M input + 0.5M output tokens): $36 vs $9. Medium (20M input + 5M output tokens): $360 vs $90. Heavy (200M input + 50M output tokens): $3,600 vs $900. Pick your own token counts in the plan vs API calculator.

Where do these numbers come from?

Prices come from each provider's official pricing page, checked daily. Quality is the relative score on the LMArena leaderboard dataset, licensed CC BY 4.0. Where a model is not ranked we show n/a.

Sources

Related

Fable 5.2 coverage