Compare · ModelsLive · 2 picked · head to head
DeepSeek V4.1 Flash 1017 vs gpt-oss-20b
Side by side · benchmarks, pricing, and signals you can act on.
Winner summary
DeepSeek V4.1 Flash 1017 wins on 3/3 benchmarks
DeepSeek V4.1 Flash 1017 wins 3 of 3 shared benchmarks. Leads in knowledge · math.
Category leads
knowledge·DeepSeek V4.1 Flash 1017math·DeepSeek V4.1 Flash 1017
Hype vs Reality
Attention vs performance
DeepSeek V4.1 Flash 1017
#41 by perf·#4 by attention
gpt-oss-20b
#106 by perf·no signal
Best value
gpt-oss-20b
2.6x better value than DeepSeek V4.1 Flash 1017
DeepSeek V4.1 Flash 1017
254.9 pts/$
$0.25/M
gpt-oss-20b
665.0 pts/$
$0.08/M
Vendor risk
Mixed exposure
One or more vendors flagged
DeepSeek
$3.4B·Tier 1
OpenAI
$840.0B·Tier 1
Head to head
3 benchmarks · 2 models
DeepSeek V4.1 Flash 1017gpt-oss-20b
Chess Puzzles
DeepSeek V4.1 Flash 1017 leads by +43.2
Chess Puzzles · tests strategic and tactical reasoning by having models solve chess puzzle positions, evaluating lookahead and pattern recognition abilities.
DeepSeek V4.1 Flash 1017
43.2
gpt-oss-20b
0.0
GPQA diamond
DeepSeek V4.1 Flash 1017 leads by +45.0
Graduate-Level Google-Proof QA (Diamond set) · expert-crafted questions in physics, biology, and chemistry that are difficult even for domain PhDs.
DeepSeek V4.1 Flash 1017
94.7
gpt-oss-20b
49.7
OTIS Mock AIME 2024-2025
DeepSeek V4.1 Flash 1017 leads by +34.2
OTIS Mock AIME 2024-2025 · simulated American Invitational Mathematics Examination problems testing advanced problem-solving skills.
DeepSeek V4.1 Flash 1017
99.4
gpt-oss-20b
65.2
Full benchmark table
| Benchmark | DeepSeek V4.1 Flash 1017 | gpt-oss-20b |
|---|---|---|
Chess Puzzles Chess Puzzles · tests strategic and tactical reasoning by having models solve chess puzzle positions, evaluating lookahead and pattern recognition abilities. | 43.2 | 0.0 |
GPQA diamond Graduate-Level Google-Proof QA (Diamond set) · expert-crafted questions in physics, biology, and chemistry that are difficult even for domain PhDs. | 94.7 | 49.7 |
OTIS Mock AIME 2024-2025 OTIS Mock AIME 2024-2025 · simulated American Invitational Mathematics Examination problems testing advanced problem-solving skills. | 99.4 | 65.2 |
Pricing · per 1M tokens · projected $/mo at 10M tokens
| Model | Input | Output | Context | Projected $/mo |
|---|---|---|---|---|
| $0.01 | $0.50 | 1.0M tokens (~524 books) | $1.29 | |
| $0.03 | $0.13 | 131K tokens (~66 books) | $0.55 |
People also compared
DeepSeek V3.2 Speciale vs DeepSeek V4.1 Flash 1017DeepSeek-V2 (MoE-236B, May 2024) vs DeepSeek V4.1 Flash 1017DeepSeek V4.1 Flash 1017 vs gpt-oss-20b (free)DeepSeek V4.1 Flash 1017 vs Qwen3 30B A3B Thinking 2507DeepSeek V4.1 Flash 1017 vs Muse Spark OpenDeepSeek V4.1 Flash 1017 vs GPT-5.6 SolDeepSeek V4.1 Flash 1017 vs GPT-5.6 TerraDeepSeek V4.1 Flash 1017 vs GPT-4 Turbo (older v1106)