Benchmark Almanac

OTelBench

Claude Opus 4.5 29% leads since Jan 2026 Not in model cards

Coding agents add OpenTelemetry tracing, metrics and logging to codebases in several languages. Tests check the instrumentation.

23 tasks and 14 models as of 2026-01-16.

Made by Quesma Released Jan 2026 Fixing real repositories All tasks public Last model added Dec 2025 Scores refreshed 2 Nov 2026
Level
Expert Specialists with years of training, often over hours of work
Scored
Checked automatically A program checks the result against an answer key, unit tests or the expected final state.
Answers
Code A program or patch run against tests.
QuesmaOrg/otel-bench 23 stars Leaderboard quesma.com
14
Models scored on its own leaderboard

Claude Opus 4.5 leads with 29% among models released by Dec 2025

Best score per model from the benchmark's own leaderboard, read on 2 Nov 2026. Where a model ran with several settings or harnesses, we keep its best.

The newest model with a score here came out in Dec 2025, and nobody has tested a newer one. Among the 20 highest-ranked models on the capability index, these have no score yet:

14 models. Scroll sideways for the rest.

  1. 29.0 Claude Opus 4.5
  2. 26.1 GPT-5.2
  3. 21.7 Claude Sonnet 4.5
  4. 18.8 Gemini 3 Flash
  5. 15.9 Gemini 3 Pro
  6. 15.9 GPT-5.2 Codex
  7. 14.5 GPT-5.1
  8. 13.0 GLM-4.7
  9. 11.6 GPT-5.1-Codex-Max
  10. 11.6 DeepSeek-V3.2
  11. 7.25 Kimi K2 Thinking
  12. 5.80 Claude Haiku 4.5
  13. 4.35 Grok 4
  14. 2.90 Grok 4.1 Fast
  1. 1 Claude Opus 4.5 29%
  2. 2 GPT-5.2 26.1%
  3. 3 Claude Sonnet 4.5 21.7%
  4. 4 Gemini 3 Flash 18.8%
  5. 5 Gemini 3 Pro 15.9%
  6. 6 GPT-5.2 Codex 15.9%
  7. 7 GPT-5.1 14.5%
  8. 8 GLM-4.7 13%
  9. 9 GPT-5.1-Codex-Max 11.6%
  10. 10 DeepSeek-V3.2 11.6%
  11. 11 Kimi K2 Thinking 7.25%
  12. 12 Claude Haiku 4.5 5.80%
  13. 13 Grok 4 4.35%
  14. 14 Grok 4.1 Fast 2.90%
#ModelScoreSettingDateSource
1 Claude Opus 4.5 29% Nov 2025 Official leaderboard
2 GPT-5.2 26.1% Dec 2025 Official leaderboard
3 Claude Sonnet 4.5 21.7% Sep 2025 Official leaderboard
4 Gemini 3 Flash 18.8% Dec 2025 Official leaderboard
5 Gemini 3 Pro 15.9% Nov 2025 Official leaderboard
6 GPT-5.2 Codex 15.9% Dec 2025 Official leaderboard
7 GPT-5.1 14.5% Nov 2025 Official leaderboard
8 GLM-4.7 13% Dec 2025 Official leaderboard
9 GPT-5.1-Codex-Max 11.6% Nov 2025 Official leaderboard
10 DeepSeek-V3.2 11.6% Dec 2025 Official leaderboard
11 Kimi K2 Thinking 7.25% Nov 2025 Official leaderboard
12 Claude Haiku 4.5 5.80% Oct 2025 Official leaderboard
13 Grok 4 4.35% Jul 2025 Official leaderboard
14 Grok 4.1 Fast 2.90% Nov 2025 Official leaderboard

Number one over time

Lab claims count from the day the card came out, independent runs from the model’s release.

Anthropic
Own leaderboard Not tested since Jan 2026
Claude Opus 4.5 29%

Scores over time

All the scores we have, one dot each, so a model tested at several settings appears more than once.

On the benchmark’s own leaderboard Best so far
0% 20% 40% 60% 80% 100% 2026 Near the ceiling (85%) Claude Opus 4.5 Claude Sonnet 4.5 Grok 4 0% 20% 40% 60% 80% 100% 2026 Near the ceiling (85%) Claude Opus 4.5 Claude Sonnet 4.5

No lab model card reports it yet

We read the headline results of 479 launch posts from 51 labs, and none of them list this benchmark.

More in Coding

All 243 in Coding
  • SWE-bench Verified In use 500 human-validated GitHub issues from 12 Python repos. Agent writes a patch that must pass hidden tests. Claude Opus 4.7 83.5%
  • SWE-bench Multilingual In use 300 GitHub-issue tasks across nine programming languages in SWE-bench format. Patch graded by repository tests. Claude Opus 5.5 93.9%
  • LiveCodeBench v6 In use Competitive programming problems collected after model cutoffs from LeetCode, AtCoder, Codeforces. Scored pass@1 on hidden tests. DeepSeek-V4-Pro 93.5%
  • DeepSWE In use 113 original long-horizon engineering tasks across 91 repos and five languages, written from scratch. Hand-written verifiers accept alternative solutions. GPT-6 Astra 74.1%
  • SciCode In use Scientist-curated research coding problems split into subproblems across natural sciences. Code checked against test cases. Seed2.1 Pro 59.8%
  • Codeforces rating In use Model solves recent Codeforces contest problems. An Elo-style rating is computed from simulated contest performance. DeepSeek V4.1 Flash 3,471