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USD/BRL predictions by AI models

An experiment: each day at 14:00 BRT, the 50 most popular OpenRouter models predict the BCB PTAX. Numbers only.

Run of Nov 3, 2026 · 46 answered, 4 failed, 0 refused · cost US$ 0.69

Consensus

Consensus (median of p50, one vote per model). PTAX on the prediction date: 5.4935 (Nov 3, 2026).

30 days
5.4500
−0.79% vs PTAX
p10–p90 5.2418–5.7200
Dec 3, 2026
6 months
5.4000
−1.70% vs PTAX
p10–p90 5.0110–5.9000
May 3, 2027
1 year
5.4500
−0.79% vs PTAX
p10–p90 4.8757–6.1750
Nov 3, 2027
5 years
5.9000
+7.40% vs PTAX
p10–p90 4.7000–7.6016
Nov 3, 2031

Consensus forecast

1 year: Nov 3, 2027PTAX 5.4935 Nov 3, 2026Consensus p50 5.4500 (4.8757–6.1750) Nov 3, 2027Random walk 5.4935 Nov 3, 2027Focus 5.3700 Nov 3, 2027Forward (approx.) 6.0155 Nov 3, 2027

PTAX history, then from the run date the consensus p50 (line) and the median p10 and p90 (band) to each target date. Baselines: random walk (flat), Focus (markers), forward (approximation).

Model comparison

One row per model, sorted by p50. Dot: p50. Line: p10 to p90.

chat model decision model (Jev, Perplexity Decider) baseline

consensus p50 5.4500 PTAX of Nov 3, 2026: 5.4935

  • pplx-decider-v1.2 5.2788
  • jev-1.13 5.2810
  • jev-1.14 5.3019
  • gemma-4-26b-a4b-it 5.3700
  • glm-5.2 5.3700
  • nemotron-3.5-super-vl 5.3700
  • qwen3.7-flash 5.3734
  • minimax-m3 5.3800
  • solar-pro4 5.3995
  • claude-haiku-5.5 5.4000
  • gemini-2.5-flash-lite 5.4000
  • gemma-4-31b-it 5.4000
  • gpt-5.6-luna 5.4000
  • nemotron-3-ultra-550b-a55b 5.4000
  • nemotron-3.5-lightning 5.4000
  • kimi-k3.1-pro 5.4100
  • gemini-3.7-flash 5.4200
  • gemini-3.8-flash 5.4200
  • inkling 5.4200
  • minimax-m3.1-flash 5.4200
  • qwen3.8-27b 5.4200
  • claude-sonnet-5 5.4500
  • deepseek-v4-pro 5.4500
  • deepseek-v4.1-flash 5.4500
  • gemini-3-flash-preview 5.4500
  • solar-mini4 5.4500
  • glm-5.3-flash 5.4800
  • step-5-preview 5.4800
  • gpt-6.1-sol 5.4920
  • claude-opus-5.5 5.5000
  • glm-5.3 5.5000
  • kimi-k3 5.5000
  • mimo-v2.6-pro 5.5000
  • gpt-6.1-terra 5.5200
  • claude-sonnet-5.5 5.5500
  • gpt-6-astra 5.5500
  • mimo-v2.6-flash 5.5500
  • gemini-3.1-flash-lite 5.5645
  • gpt-6-luna-pro 5.5800
  • claude-fable-5.1 5.6200
  • gemini-4-argon 5.6200
  • gpt-6-luna 5.6500
  • qwen3.8-flash 5.6500
  • hy3 5.7000
  • gpt-oss-120b 5.7750
  • deepseek-v4-flash 5.8000
  • Random walk 5.4935
  • Focus 5.3700
  • Forward (approx.) 6.0155

No answer (4): tencent/hy4-preview (timeout), meta/muse-spark-1.3-contributor (error), dots-studio/dots-3-note-preview (error), stepfun/step-3.7-flash (invalid).

Consensus over time

This chart grows with each daily run. First run: Nov 3, 2026. The next runs are each day at 14:00 BRT.

All numbers (50 models)

On a narrow screen, the table shows one horizon. Choose it here.

Each cell: p50, then p10–p90 below.

Model30dDec 3, 20266mMay 3, 20271yNov 3, 20275yNov 3, 2031Status
z-ai/glm-5.3-flash5.50005.2500–5.82005.45005.0200–6.05005.48004.9000–6.35006.40004.9000–8.8000ok
deepseek/deepseek-v4.1-flash5.40004.9777–5.85795.40004.4237–6.59185.45004.0586–7.31885.55003.1291–9.8440ok
tencent/hy4-preview––––timeout
openai/gpt-6-luna5.47005.1500–5.85005.50004.9500–6.15005.65004.9000–6.60006.25004.5000–8.7000ok
anthropic/claude-opus-5.55.49005.2800–5.73005.48005.1000–5.95005.50005.0000–6.10005.95004.8000–7.6000ok
stepfun/step-5-preview5.43005.2500–5.68005.42004.9800–5.98005.48004.7800–6.38005.95004.5500–7.9000ok
minimax/minimax-m3.1-flash5.45005.0800–5.82005.40004.7500–6.15005.42004.6200–6.40005.55004.2000–7.3500ok
openai/gpt-5.6-luna5.38005.0800–5.76005.34004.8500–5.90005.40004.7000–6.25006.00004.1000–8.9000ok
openai/gpt-6.1-sol5.45205.1020–5.84405.43804.7480–6.27905.49204.5220–6.78406.03503.9820–9.4870ok
z-ai/glm-5.35.45005.1000–5.90005.40004.8500–6.10005.50004.8000–6.50006.25004.6000–8.3000ok
typesafe/jev-1.13typesafe/jev-1.13-202609175.39685.2662–5.47425.31745.0690–5.45835.28105.1075–5.45456.36495.6072–8.4234ok
moonshotai/kimi-k3.1-pro5.40005.0200–5.88005.36004.6800–6.22005.41004.4200–6.62005.65004.0500–8.4500ok
tencent/hy35.50005.3000–5.70005.55005.1000–6.00005.70005.0000–6.40006.60005.6000–7.8000ok
nvidia/nemotron-3-ultra-550b-a55b5.42005.3000–5.55005.38005.2500–5.55005.40005.2500–5.60005.55005.2000–5.9000ok
anthropic/claude-haiku-5.55.42005.2000–5.65005.40005.0200–5.82005.40004.9000–5.95005.70004.9000–6.8000ok
nvidia/nemotron-3.5-super-vl5.40005.1000–5.75005.33004.8500–5.90005.37004.7000–6.20005.55004.3000–7.2000ok
xiaomi/mimo-v2.6-flash5.45005.2000–5.85005.50004.9500–6.25005.55004.8500–6.50006.50005.0000–8.5000ok
meta/muse-spark-1.3-contributor––––error
deepseek/deepseek-v4-flash5.55005.3000–5.85005.65005.0500–6.35005.80004.8500–6.95006.40004.6000–8.9000ok
anthropic/claude-sonnet-5.55.49005.2000–5.80005.50004.9000–6.20005.55004.7000–6.50006.10004.5000–8.1000ok
moonshotai/kimi-k35.50005.2500–5.85005.45004.9500–6.05005.50004.7000–6.55005.80004.3000–7.6000ok
typesafe/jev-1.14typesafe/jev-1.14-202610145.40615.2683–5.48935.33615.1273–5.47015.30195.1102–5.49356.73405.3365–9.4488ok
google/gemini-3.8-flash5.46005.3200–5.62005.39005.1500–5.70005.42005.0500–5.88005.80004.8500–6.9500ok
upstage/solar-mini45.33005.2500–5.52005.40005.2800–5.65005.45005.3000–5.75006.00005.5000–7.0000ok
google/gemini-4-argon5.51005.2200–5.82005.56004.9500–6.25005.62004.8000–6.55006.10004.5000–8.3000ok
xiaomi/mimo-v2.6-pro5.42005.1600–5.72005.42004.9800–5.95005.50004.7200–6.48005.85004.1500–8.4000ok
nvidia/nemotron-3.5-lightning5.34285.1800–5.50405.33005.1400–5.52005.40005.2000–5.60005.50004.8000–6.2000ok
z-ai/glm-5.25.34005.1800–5.52005.33004.9800–5.68005.37004.8500–5.95005.75004.5000–7.2500ok
openai/gpt-6.1-terra5.47005.1600–5.84005.47004.8200–6.30005.52004.6400–6.68006.00004.3100–8.6500ok
dots-studio/dots-3-note-preview––––error
qwen/qwen3.8-flash5.46005.0700–5.88005.51004.9200–6.20005.65004.7500–6.75005.95004.6000–7.6500ok
qwen/qwen3.8-27b5.46005.2800–5.72005.40004.9800–5.90005.42004.7500–6.15005.55004.3000–7.1000ok
openai/gpt-6-luna-pro5.48005.0800–5.91005.52004.7200–6.46005.58004.4600–6.99006.05003.9000–9.3800ok
google/gemini-3-flash-preview5.48505.3400–5.68005.42005.1500–5.75005.45005.1000–5.95005.65004.8000–6.8000ok
deepseek/deepseek-v4-pro5.43005.1900–5.72005.40004.8200–6.12005.45004.6000–6.55005.70004.0000–8.5000ok
google/gemini-3.1-flash-lite5.51855.4125–5.76425.48505.2855–5.89205.56455.2520–6.12806.31505.6250–7.4580ok
stepfun/step-3.7-flash––––invalid
minimax/minimax-m35.49005.3500–5.68005.42005.1800–5.78005.38005.0500–5.90005.50004.8000–6.8000ok
anthropic/claude-sonnet-55.45005.3000–5.62005.40005.1000–5.75005.45005.0500–5.90005.80004.9000–7.0000ok
google/gemma-4-31b-it5.45005.3200–5.62005.33005.2500–5.55005.40005.2000–5.75005.80005.4000–6.5000ok
qwen/qwen3.7-flash5.34785.2664–5.48155.33785.2531–5.47655.37345.2601–5.51455.54285.3174–5.8326ok
openai/gpt-6-astra5.48005.1400–5.87005.47004.7900–6.32005.55004.5800–6.86006.12004.0900–9.5900ok
upstage/solar-pro45.40355.3380–5.52405.39955.3010–5.52205.39955.3010–5.52205.25955.1240–5.4120ok
google/gemini-3.7-flash5.45005.2850–5.62005.38005.0800–5.72005.42004.9500–5.95005.70004.6000–7.1000ok
openai/gpt-oss-120b5.52505.4500–5.60005.65005.5500–5.75005.77505.6500–5.90006.50006.2000–6.8000ok
google/gemma-4-26b-a4b-it5.34505.3125–5.48505.33005.2450–5.49505.37005.1820–5.62005.50004.9500–6.2500ok
thinkingmachines/inkling5.45005.2200–5.72005.38005.0800–5.82005.42005.0500–5.92005.68005.1500–6.4500ok
anthropic/claude-fable-5.15.49005.1500–5.87005.53004.8500–6.33005.62004.7500–6.70006.20004.5500–8.5000ok
perplexity/pplx-decider-v1.2perplexity/pplx-decider-v1.2-202610165.37115.2336–5.54775.30185.0020–5.55955.27884.8513–5.68676.15345.4278–7.6032ok
google/gemini-2.5-flash-lite5.50005.4577–5.54235.40005.3200–5.48005.40005.3100–5.49005.45005.3500–5.5500ok
Consensus (median of p50, one vote per model)5.4500n = 465.4000n = 465.4500n = 465.9000n = 46
Baselines
Random walk (PTAX on the prediction date)5.49355.49355.49355.4935
Focus median5.342812/20265.330005/20275.370011/2027–
Forward (approximation): PTAX × ((1 + Selic) / (1 + Fed funds))^(days/365)Selic 13.75% · Fed funds 3.88%5.53465.74646.01558.6508

Method

This page is an experiment. Each day at 14:00 BRT, the 50 most popular models on OpenRouter get the same data packet and give the p10, p50 and p90 of the PTAX on each target date. The page shows numbers only.

Decision models (Jev, Perplexity Decider) answer with a probability for each range of change; the page shows p10, p50 and p90 from those probabilities.

Target dates: 30d Dec 3, 2026, 6m May 3, 2027, 1y Nov 3, 2027, 5y Nov 3, 2031.

Raw data for this run: parsed.json · run.json · models.json · packet.json · prompt.json · raw.jsonl.gz

Gitea repository (data/predictions/)